<86>May 13 03:05:08 userdel[2739854]: delete user 'rooter'
<86>May 13 03:05:08 userdel[2739854]: removed group 'rooter' owned by 'rooter'
<86>May 13 03:05:08 userdel[2739854]: removed shadow group 'rooter' owned by 'rooter'
<86>May 13 03:05:08 groupadd[2739879]: group added to /etc/group: name=rooter, GID=1289
<86>May 13 03:05:08 groupadd[2739879]: group added to /etc/gshadow: name=rooter
<86>May 13 03:05:08 groupadd[2739879]: new group: name=rooter, GID=1289
<86>May 13 03:05:08 useradd[2739905]: new user: name=rooter, UID=1289, GID=1289, home=/root, shell=/bin/bash, from=none
<86>May 13 03:05:08 userdel[2739935]: delete user 'builder'
<86>May 13 03:05:08 userdel[2739935]: removed group 'builder' owned by 'builder'
<86>May 13 03:05:08 userdel[2739935]: removed shadow group 'builder' owned by 'builder'
<86>May 13 03:05:08 groupadd[2739964]: group added to /etc/group: name=builder, GID=1290
<86>May 13 03:05:08 groupadd[2739964]: group added to /etc/gshadow: name=builder
<86>May 13 03:05:08 groupadd[2739964]: new group: name=builder, GID=1290
<86>May 13 03:05:08 useradd[2739981]: new user: name=builder, UID=1290, GID=1290, home=/usr/src, shell=/bin/bash, from=none
warning: user aris does not exist - using root
warning: group aris does not exist - using root
warning: user aris does not exist - using root
warning: group aris does not exist - using root
<13>May 13 03:05:12 rpmi: gcc-c++-common-1.4.27-alt1 sisyphus+278099.1300.1.1 1626028636 installed
<13>May 13 03:05:13 rpmi: libstdc++13-devel-13.2.1-alt3 sisyphus+339335.100.1.1 1706563486 installed
<13>May 13 03:05:13 rpmi: gcc13-c++-13.2.1-alt3 sisyphus+339335.100.1.1 1706563486 installed
<13>May 13 03:05:13 rpmi: gcc-c++-13-alt1 sisyphus+323337.300.1.1 1687267966 installed
Building target platforms: x86_64
Building for target x86_64
Wrote: /usr/src/in/nosrpm/libsass-3.6.6-alt1.nosrc.rpm (w1.gzdio)
Installing libsass-3.6.6-alt1.src.rpm
Building target platforms: x86_64
Building for target x86_64
Executing(%prep): /bin/sh -e /usr/src/tmp/rpm-tmp.66049
+ umask 022
+ /bin/mkdir -p /usr/src/RPM/BUILD
+ cd /usr/src/RPM/BUILD
+ cd /usr/src/RPM/BUILD
+ rm -rf libsass-3.6.6
+ echo 'Source #0 (libsass-3.6.6.tar.gz):'
Source #0 (libsass-3.6.6.tar.gz):
+ /bin/gzip -dc /usr/src/RPM/SOURCES/libsass-3.6.6.tar.gz
+ /bin/tar -xf -
+ cd libsass-3.6.6
+ /bin/chmod -c -Rf u+rwX,go-w .
+ exit 0
Executing(%build): /bin/sh -e /usr/src/tmp/rpm-tmp.66049
+ umask 022
+ /bin/mkdir -p /usr/src/RPM/BUILD
+ cd /usr/src/RPM/BUILD
+ cd libsass-3.6.6
+ export LIBSASS_VERSION=3.6.6
+ LIBSASS_VERSION=3.6.6
+ autoreconf -fisv
autoreconf-default: export WARNINGS=
autoreconf-default: Entering directory '.'
autoreconf-default: configure.ac: not using Gettext
autoreconf-default: running: aclocal --force 
autoreconf-default: configure.ac: tracing
autoreconf-default: running: libtoolize --force --install
libtoolize-default: putting auxiliary files in AC_CONFIG_AUX_DIR, 'script'.
libtoolize-default: linking file 'script/config.guess'
libtoolize-default: linking file 'script/config.sub'
libtoolize-default: linking file 'script/install-sh'
libtoolize-default: linking file 'script/ltmain.sh'
libtoolize-default: putting macros in AC_CONFIG_MACRO_DIRS, 'm4'.
libtoolize-default: linking file 'm4/libtool.m4'
libtoolize-default: linking file 'm4/ltoptions.m4'
libtoolize-default: linking file 'm4/ltsugar.m4'
libtoolize-default: linking file 'm4/ltversion.m4'
libtoolize-default: linking file 'm4/lt~obsolete.m4'
libtoolize-default: Consider adding '-I m4' to ACLOCAL_AMFLAGS in Makefile.am.
autoreconf-default: configure.ac: not using Intltool
autoreconf-default: configure.ac: not using Gtkdoc
autoreconf-default: running: aclocal --force 
autoreconf-default: running: /usr/bin/autoconf-2.71 --force
configure.ac:23: warning: The macro `AC_GNU_SOURCE' is obsolete.
configure.ac:23: You should run autoupdate.
./lib/autoconf/specific.m4:298: AC_GNU_SOURCE is expanded from...
configure.ac:23: the top level
autoreconf-default: running: /usr/bin/autoheader-2.71 --force
autoreconf-default: running: automake --add-missing --force-missing
configure.ac:30: installing 'script/ar-lib'
configure.ac:19: installing 'script/compile'
configure.ac:15: installing 'script/missing'
GNUmakefile.am:37: warning: source file '$(SASS_SASSC_PATH)/sassc.c' is in a subdirectory,
GNUmakefile.am:37: but option 'subdir-objects' is disabled
automake-default: warning: possible forward-incompatibility.
automake-default: At least one source file is in a subdirectory, but the 'subdir-objects'
automake-default: automake option hasn't been enabled.  For now, the corresponding output
automake-default: object file(s) will be placed in the top-level directory.  However, this
automake-default: behavior may change in a future Automake major version, with object
automake-default: files being placed in the same subdirectory as the corresponding sources.
automake-default: You are advised to start using 'subdir-objects' option throughout your
automake-default: project, to avoid future incompatibilities.
GNUmakefile.am: installing 'script/depcomp'
parallel-tests: installing 'script/test-driver'
Makefile.conf:92: warning: source file 'memory/allocator.cpp' is in a subdirectory,
Makefile.conf:92: but option 'subdir-objects' is disabled
src/GNUmakefile.am:29:   'Makefile.conf' included from here
Makefile.conf:92: warning: source file 'memory/shared_ptr.cpp' is in a subdirectory,
Makefile.conf:92: but option 'subdir-objects' is disabled
src/GNUmakefile.am:29:   'Makefile.conf' included from here
autoreconf-default: Leaving directory '.'
+ CFLAGS='-pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto '
+ export CFLAGS
+ CXXFLAGS='-pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto '
+ export CXXFLAGS
+ FFLAGS='-pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto '
+ export FFLAGS
+ FCFLAGS='-pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto '
+ export FCFLAGS
+ '[' -n '' ']'
++ printf %s '-pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto '
++ sed -r 's/(^|[[:space:]]+)-[^m][^[:space:]]*//g'
+ ASFLAGS=' '
+ export ASFLAGS
+ export lt_cv_deplibs_check_method=pass_all
+ lt_cv_deplibs_check_method=pass_all
+ xargs -ri dirname -- '{}'
+ sort -u
+ readlink -e -- ./configure
+ xargs -ri find '{}' -type f '(' -name config.sub -or -name config.guess ')' -printf '%h/\n'
+ xargs -rn1 install -pm755 -- /usr/share/gnu-config/config.sub /usr/share/gnu-config/config.guess
+ configure_runstatedir_flags=
+ grep -qF runstatedir=DIR ./configure
+ configure_runstatedir_flags=--runstatedir=/var/run
+ ./configure --build=x86_64-alt-linux --host=x86_64-alt-linux --prefix=/usr --exec-prefix=/usr --bindir=/usr/bin --sbindir=/usr/sbin --sysconfdir=/etc --datadir=/usr/share --includedir=/usr/include --libdir=/usr/lib64 --libexecdir=/usr/lib --localstatedir=/var/lib --sharedstatedir=/var/lib --mandir=/usr/share/man --infodir=/usr/share/info --disable-dependency-tracking --disable-silent-rules --runstatedir=/var/run --without-included-gettext --enable-static=no
configure: WARNING: unrecognized options: --without-included-gettext
checking for a BSD-compatible install... /usr/bin/ginstall -c
checking whether build environment is sane... yes
checking for a race-free mkdir -p... /usr/bin/mkdir -p
checking for gawk... gawk
checking whether make sets $(MAKE)... yes
checking whether make supports nested variables... yes
checking whether make supports nested variables... (cached) yes
checking for x86_64-alt-linux-gcc... x86_64-alt-linux-gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether the compiler supports GNU C... yes
checking whether x86_64-alt-linux-gcc accepts -g... yes
checking for x86_64-alt-linux-gcc option to enable C11 features... none needed
checking whether x86_64-alt-linux-gcc understands -c and -o together... yes
checking whether make supports the include directive... yes (GNU style)
checking dependency style of x86_64-alt-linux-gcc... none
checking for x86_64-alt-linux-g++... x86_64-alt-linux-g++
checking whether the compiler supports GNU C++... yes
checking whether x86_64-alt-linux-g++ accepts -g... yes
checking for x86_64-alt-linux-g++ option to enable C++11 features... none needed
checking dependency style of x86_64-alt-linux-g++... none
checking for stdio.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for strings.h... yes
checking for sys/stat.h... yes
checking for sys/types.h... yes
checking for unistd.h... yes
checking for wchar.h... yes
checking for minix/config.h... no
checking whether it is safe to define __EXTENSIONS__... yes
checking whether _XOPEN_SOURCE should be defined... no
checking for x86_64-alt-linux-ar... no
checking for ar... ar
checking for x86_64-alt-linux-dlltool... no
checking for dlltool... no
checking for x86_64-alt-linux-dllwrap... no
checking for dllwrap... no
checking for x86_64-alt-linux-windres... no
checking for windres... no
checking for x86_64-alt-linux-ar... ar
checking the archiver (ar) interface... ar
checking build system type... x86_64-alt-linux-gnu
checking host system type... x86_64-alt-linux-gnu
checking how to print strings... printf
checking for a sed that does not truncate output... /usr/bin/sed
checking for grep that handles long lines and -e... /usr/bin/grep
checking for egrep... /usr/bin/grep -E
checking for fgrep... /usr/bin/grep -F
checking for ld used by x86_64-alt-linux-gcc... /usr/bin/ld
checking if the linker (/usr/bin/ld) is GNU ld... yes
checking for BSD- or MS-compatible name lister (nm)... /usr/bin/nm -B
checking the name lister (/usr/bin/nm -B) interface... BSD nm
checking whether ln -s works... yes
checking the maximum length of command line arguments... 1572864
checking how to convert x86_64-alt-linux-gnu file names to x86_64-alt-linux-gnu format... func_convert_file_noop
checking how to convert x86_64-alt-linux-gnu file names to toolchain format... func_convert_file_noop
checking for /usr/bin/ld option to reload object files... -r
checking for x86_64-alt-linux-file... no
checking for file... file
checking for x86_64-alt-linux-objdump... no
checking for objdump... objdump
checking how to recognize dependent libraries... (cached) pass_all
checking for x86_64-alt-linux-dlltool... false
checking how to associate runtime and link libraries... printf %s\n
checking for x86_64-alt-linux-ar... (cached) ar
checking for archiver @FILE support... @
checking for x86_64-alt-linux-strip... no
checking for strip... strip
checking for x86_64-alt-linux-ranlib... no
checking for ranlib... ranlib
checking command to parse /usr/bin/nm -B output from x86_64-alt-linux-gcc object... ok
checking for sysroot... no
checking for a working dd... /usr/bin/dd
checking how to truncate binary pipes... /usr/bin/dd bs=4096 count=1
checking for x86_64-alt-linux-mt... no
checking for mt... no
checking if : is a manifest tool... no
checking for dlfcn.h... yes
checking for objdir... .libs
checking if x86_64-alt-linux-gcc supports -fno-rtti -fno-exceptions... no
checking for x86_64-alt-linux-gcc option to produce PIC... -fPIC -DPIC
checking if x86_64-alt-linux-gcc PIC flag -fPIC -DPIC works... yes
checking if x86_64-alt-linux-gcc static flag -static works... no
checking if x86_64-alt-linux-gcc supports -c -o file.o... yes
checking if x86_64-alt-linux-gcc supports -c -o file.o... (cached) yes
checking whether the x86_64-alt-linux-gcc linker (/usr/bin/ld -m elf_x86_64) supports shared libraries... yes
checking whether -lc should be explicitly linked in... no
checking dynamic linker characteristics... GNU/Linux ld.so
checking how to hardcode library paths into programs... immediate
checking for shl_load... no
checking for shl_load in -ldld... no
checking for dlopen... yes
checking whether a program can dlopen itself... yes
checking whether a statically linked program can dlopen itself... yes
checking whether stripping libraries is possible... yes
checking if libtool supports shared libraries... yes
checking whether to build shared libraries... yes
checking whether to build static libraries... no
checking how to run the C++ preprocessor... x86_64-alt-linux-g++ -E
checking for ld used by x86_64-alt-linux-g++... /usr/bin/ld -m elf_x86_64
checking if the linker (/usr/bin/ld -m elf_x86_64) is GNU ld... yes
checking whether the x86_64-alt-linux-g++ linker (/usr/bin/ld -m elf_x86_64) supports shared libraries... yes
checking for x86_64-alt-linux-g++ option to produce PIC... -fPIC -DPIC
checking if x86_64-alt-linux-g++ PIC flag -fPIC -DPIC works... yes
checking if x86_64-alt-linux-g++ static flag -static works... no
checking if x86_64-alt-linux-g++ supports -c -o file.o... yes
checking if x86_64-alt-linux-g++ supports -c -o file.o... (cached) yes
checking whether the x86_64-alt-linux-g++ linker (/usr/bin/ld -m elf_x86_64) supports shared libraries... yes
checking dynamic linker characteristics... (cached) GNU/Linux ld.so
checking how to hardcode library paths into programs... immediate
checking for unistd.h... (cached) yes
checking for size_t... yes
checking for GNU libc compatible malloc... yes
checking for floor... yes
checking for getcwd... yes
checking for strtol... yes
checking for library containing dlopen... none required
configure: Building libsass (3.6.6)
checking that generated files are newer than configure... done
configure: creating ./config.status
config.status: creating include/sass/version.h
config.status: creating GNUmakefile
config.status: creating src/GNUmakefile
config.status: creating src/support/libsass.pc
config.status: creating src/config.h
config.status: executing depfiles commands
config.status: executing libtool commands
configure: WARNING: unrecognized options: --without-included-gettext
+ make -j8
Making all in src
make  all-am
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CC   --mode=compile x86_64-alt-linux-gcc -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o cencode.lo cencode.c
libtool: compile:  x86_64-alt-linux-gcc -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c cencode.c  -fPIC -DPIC -o .libs/cencode.o
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o ast_sel_super.lo ast_sel_super.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c ast_sel_super.cpp  -fPIC -DPIC -o .libs/ast_sel_super.o
In file included from ast_sel_super.cpp:4:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o ast_supports.lo ast_supports.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c ast_supports.cpp  -fPIC -DPIC -o .libs/ast_supports.o
In file included from ast_supports.cpp:4:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o ast_sel_cmp.lo ast_sel_cmp.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c ast_sel_cmp.cpp  -fPIC -DPIC -o .libs/ast_sel_cmp.o
In file included from ast_selectors.hpp:7,
                 from ast_sel_cmp.cpp:5:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o ast_sel_weave.lo ast_sel_weave.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c ast_sel_weave.cpp  -fPIC -DPIC -o .libs/ast_sel_weave.o
In file included from ast_sel_weave.cpp:5:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o ast_sel_unify.lo ast_sel_unify.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c ast_sel_unify.cpp  -fPIC -DPIC -o .libs/ast_sel_unify.o
In file included from ast_sel_unify.cpp:5:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o constants.lo constants.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c constants.cpp  -fPIC -DPIC -o .libs/constants.o
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o ast_values.lo ast_values.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c ast_values.cpp  -fPIC -DPIC -o .libs/ast_values.o
In file included from ast_values.cpp:4:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o ast.lo ast.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c ast.cpp  -fPIC -DPIC -o .libs/ast.o
In file included from ast.cpp:5:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o ast_selectors.lo ast_selectors.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c ast_selectors.cpp  -fPIC -DPIC -o .libs/ast_selectors.o
In file included from ast_selectors.cpp:5:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o fn_maps.lo fn_maps.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c fn_maps.cpp  -fPIC -DPIC -o .libs/fn_maps.o
In file included from values.hpp:4,
                 from operators.hpp:4,
                 from fn_maps.cpp:1:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o fn_utils.lo fn_utils.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c fn_utils.cpp  -fPIC -DPIC -o .libs/fn_utils.o
In file included from parser.hpp:11,
                 from fn_utils.cpp:5:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o fn_numbers.lo fn_numbers.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c fn_numbers.cpp  -fPIC -DPIC -o .libs/fn_numbers.o
In file included from fn_numbers.cpp:15:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o fn_miscs.lo fn_miscs.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c fn_miscs.cpp  -fPIC -DPIC -o .libs/fn_miscs.o
In file included from fn_miscs.cpp:1:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:18:
operation.hpp:206:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::SelectorCombinator*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  206 |     T operator()(SelectorCombinator* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
In file included from expand.hpp:7,
                 from fn_miscs.cpp:2:
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:194:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Parameters*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  194 |     T operator()(Parameters* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:193:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Parameter*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  193 |     T operator()(Parameter* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:183:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::SupportsCondition*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  183 |     T operator()(SupportsCondition* x)     { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:176:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Color*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  176 |     T operator()(Color* x)                  { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:173:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Custom_Error*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  173 |     T operator()(Custom_Error* x)           { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:172:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Custom_Warning*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  172 |     T operator()(Custom_Warning* x)         { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:168:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Function*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  168 |     T operator()(Function* x)               { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:163:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Mixin_Call*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  163 |     T operator()(Mixin_Call* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:162:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Definition*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  162 |     T operator()(Definition* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:161:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::ExtendRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  161 |     T operator()(ExtendRule* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:160:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Content*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  160 |     T operator()(Content* x)                { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:150:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Import_Stub*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  150 |     T operator()(Import_Stub* x)            { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:149:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Import*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  149 |     T operator()(Import* x)                 { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:147:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Declaration*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  147 |     T operator()(Declaration* x)            { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:146:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Keyframe_Rule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  146 |     T operator()(Keyframe_Rule* x)          { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:145:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::AtRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  145 |     T operator()(AtRule* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:144:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::AtRootRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  144 |     T operator()(AtRootRule* x)          { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:143:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::CssMediaQuery*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  143 |     T operator()(CssMediaQuery* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:142:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::CssMediaRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  142 |     T operator()(CssMediaRule* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:141:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::MediaRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  141 |     T operator()(MediaRule* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:140:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::SupportsRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  140 |     T operator()(SupportsRule* x)         { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:139:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Trace*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  139 |     T operator()(Trace* x)                  { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:138:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Bubble*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  138 |     T operator()(Bubble* x)                 { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:137:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::StyleRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  137 |     T operator()(StyleRule* x)                { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:134:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::AST_Node*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  134 |     T operator()(AST_Node* x)               { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o fn_lists.lo fn_lists.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c fn_lists.cpp  -fPIC -DPIC -o .libs/fn_lists.o
In file included from values.hpp:4,
                 from operators.hpp:4,
                 from fn_lists.cpp:6:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from operation.hpp:15,
                 from listize.hpp:9,
                 from fn_lists.cpp:5:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o fn_colors.lo fn_colors.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c fn_colors.cpp  -fPIC -DPIC -o .libs/fn_colors.o
In file included from fn_colors.cpp:6:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o context.lo context.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c context.cpp  -fPIC -DPIC -o .libs/context.o
In file included from context.cpp:4:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:18:
operation.hpp:206:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::SelectorCombinator*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  206 |     T operator()(SelectorCombinator* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
In file included from expand.hpp:7,
                 from context.cpp:17:
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:194:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Parameters*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  194 |     T operator()(Parameters* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:193:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Parameter*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  193 |     T operator()(Parameter* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:183:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::SupportsCondition*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  183 |     T operator()(SupportsCondition* x)     { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:176:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Color*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  176 |     T operator()(Color* x)                  { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:173:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Custom_Error*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  173 |     T operator()(Custom_Error* x)           { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:172:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Custom_Warning*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  172 |     T operator()(Custom_Warning* x)         { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:168:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Function*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  168 |     T operator()(Function* x)               { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:163:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Mixin_Call*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  163 |     T operator()(Mixin_Call* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:162:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Definition*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  162 |     T operator()(Definition* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:161:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::ExtendRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  161 |     T operator()(ExtendRule* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:160:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Content*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  160 |     T operator()(Content* x)                { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:150:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Import_Stub*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  150 |     T operator()(Import_Stub* x)            { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:149:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Import*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  149 |     T operator()(Import* x)                 { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:147:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Declaration*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  147 |     T operator()(Declaration* x)            { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:146:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Keyframe_Rule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  146 |     T operator()(Keyframe_Rule* x)          { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:145:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::AtRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  145 |     T operator()(AtRule* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:144:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::AtRootRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  144 |     T operator()(AtRootRule* x)          { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:143:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::CssMediaQuery*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  143 |     T operator()(CssMediaQuery* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:142:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::CssMediaRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  142 |     T operator()(CssMediaRule* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:141:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::MediaRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  141 |     T operator()(MediaRule* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:140:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::SupportsRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  140 |     T operator()(SupportsRule* x)         { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:139:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Trace*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  139 |     T operator()(Trace* x)                  { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:138:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Bubble*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  138 |     T operator()(Bubble* x)                 { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:137:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::StyleRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  137 |     T operator()(StyleRule* x)                { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:134:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::AST_Node*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  134 |     T operator()(AST_Node* x)               { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o fn_strings.lo fn_strings.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c fn_strings.cpp  -fPIC -DPIC -o .libs/fn_strings.o
In file included from fn_strings.cpp:6:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o environment.lo environment.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c environment.cpp  -fPIC -DPIC -o .libs/environment.o
In file included from environment.cpp:2:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o ast_fwd_decl.lo ast_fwd_decl.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c ast_fwd_decl.cpp  -fPIC -DPIC -o .libs/ast_fwd_decl.o
In file included from ast_fwd_decl.cpp:1:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o color_maps.lo color_maps.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c color_maps.cpp  -fPIC -DPIC -o .libs/color_maps.o
In file included from color_maps.cpp:5:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o fn_selectors.lo fn_selectors.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c fn_selectors.cpp  -fPIC -DPIC -o .libs/fn_selectors.o
In file included from parser.hpp:11,
                 from fn_selectors.cpp:3:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o file.lo file.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c file.cpp  -fPIC -DPIC -o .libs/file.o
In file included from context.hpp:7,
                 from file.cpp:21:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o util_string.lo util_string.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c util_string.cpp  -fPIC -DPIC -o .libs/util_string.o
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o json.lo json.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c json.cpp  -fPIC -DPIC -o .libs/json.o
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o bind.lo bind.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c bind.cpp  -fPIC -DPIC -o .libs/bind.o
In file included from bind.cpp:3:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from environment.hpp:11,
                 from bind.hpp:6,
                 from bind.cpp:2:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:18:
operation.hpp:206:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::SelectorCombinator*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  206 |     T operator()(SelectorCombinator* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
In file included from expand.hpp:7,
                 from bind.cpp:6:
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:194:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Parameters*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  194 |     T operator()(Parameters* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:193:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Parameter*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  193 |     T operator()(Parameter* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:183:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::SupportsCondition*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  183 |     T operator()(SupportsCondition* x)     { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:176:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Color*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  176 |     T operator()(Color* x)                  { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:173:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Custom_Error*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  173 |     T operator()(Custom_Error* x)           { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:172:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Custom_Warning*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  172 |     T operator()(Custom_Warning* x)         { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:168:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Function*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  168 |     T operator()(Function* x)               { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:163:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Mixin_Call*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  163 |     T operator()(Mixin_Call* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:162:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Definition*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  162 |     T operator()(Definition* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:161:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::ExtendRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  161 |     T operator()(ExtendRule* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:160:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Content*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  160 |     T operator()(Content* x)                { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:150:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Import_Stub*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  150 |     T operator()(Import_Stub* x)            { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:149:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Import*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  149 |     T operator()(Import* x)                 { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:147:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Declaration*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  147 |     T operator()(Declaration* x)            { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:146:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Keyframe_Rule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  146 |     T operator()(Keyframe_Rule* x)          { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:145:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::AtRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  145 |     T operator()(AtRule* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:144:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::AtRootRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  144 |     T operator()(AtRootRule* x)          { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:143:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::CssMediaQuery*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  143 |     T operator()(CssMediaQuery* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:142:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::CssMediaRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  142 |     T operator()(CssMediaRule* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:141:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::MediaRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  141 |     T operator()(MediaRule* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:140:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::SupportsRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  140 |     T operator()(SupportsRule* x)         { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:139:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Trace*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  139 |     T operator()(Trace* x)                  { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:138:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Bubble*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  138 |     T operator()(Bubble* x)                 { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:137:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::StyleRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  137 |     T operator()(StyleRule* x)                { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:134:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::AST_Node*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  134 |     T operator()(AST_Node* x)               { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o util.lo util.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c util.cpp  -fPIC -DPIC -o .libs/util.o
In file included from util.cpp:3:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o plugins.lo plugins.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c plugins.cpp  -fPIC -DPIC -o .libs/plugins.o
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libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c source.cpp  -fPIC -DPIC -o .libs/source.o
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/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o lexer.lo lexer.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c lexer.cpp  -fPIC -DPIC -o .libs/lexer.o
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
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/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o position.lo position.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c position.cpp  -fPIC -DPIC -o .libs/position.o
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
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/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o units.lo units.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c units.cpp  -fPIC -DPIC -o .libs/units.o
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o values.lo values.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c values.cpp  -fPIC -DPIC -o .libs/values.o
In file included from values.hpp:4,
                 from values.cpp:6:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o prelexer.lo prelexer.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c prelexer.cpp  -fPIC -DPIC -o .libs/prelexer.o
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o parser_selectors.lo parser_selectors.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c parser_selectors.cpp  -fPIC -DPIC -o .libs/parser_selectors.o
In file included from parser.hpp:11,
                 from parser_selectors.cpp:5:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o eval_selectors.lo eval_selectors.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c eval_selectors.cpp  -fPIC -DPIC -o .libs/eval_selectors.o
In file included from expand.hpp:6,
                 from eval_selectors.cpp:4:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:18:
operation.hpp:206:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::SelectorCombinator*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  206 |     T operator()(SelectorCombinator* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
In file included from expand.hpp:7:
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:194:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Parameters*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  194 |     T operator()(Parameters* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:193:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Parameter*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  193 |     T operator()(Parameter* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:183:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::SupportsCondition*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  183 |     T operator()(SupportsCondition* x)     { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:176:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Color*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  176 |     T operator()(Color* x)                  { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:173:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Custom_Error*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  173 |     T operator()(Custom_Error* x)           { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:172:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Custom_Warning*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  172 |     T operator()(Custom_Warning* x)         { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:168:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Function*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  168 |     T operator()(Function* x)               { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:163:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Mixin_Call*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  163 |     T operator()(Mixin_Call* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:162:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Definition*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  162 |     T operator()(Definition* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:161:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::ExtendRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  161 |     T operator()(ExtendRule* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:160:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Content*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  160 |     T operator()(Content* x)                { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:150:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Import_Stub*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  150 |     T operator()(Import_Stub* x)            { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:149:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Import*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  149 |     T operator()(Import* x)                 { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:147:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Declaration*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  147 |     T operator()(Declaration* x)            { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:146:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Keyframe_Rule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  146 |     T operator()(Keyframe_Rule* x)          { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:145:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::AtRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  145 |     T operator()(AtRule* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:144:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::AtRootRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  144 |     T operator()(AtRootRule* x)          { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:143:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::CssMediaQuery*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  143 |     T operator()(CssMediaQuery* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:142:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::CssMediaRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  142 |     T operator()(CssMediaRule* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:141:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::MediaRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  141 |     T operator()(MediaRule* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:140:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::SupportsRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  140 |     T operator()(SupportsRule* x)         { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:139:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Trace*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  139 |     T operator()(Trace* x)                  { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:138:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Bubble*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  138 |     T operator()(Bubble* x)                 { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:137:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::StyleRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  137 |     T operator()(StyleRule* x)                { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:134:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::AST_Node*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  134 |     T operator()(AST_Node* x)               { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o listize.lo listize.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c listize.cpp  -fPIC -DPIC -o .libs/listize.o
In file included from context.hpp:7,
                 from listize.cpp:10:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from operation.hpp:15,
                 from listize.hpp:9,
                 from listize.cpp:9:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o stylesheet.lo stylesheet.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c stylesheet.cpp  -fPIC -DPIC -o .libs/stylesheet.o
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o cssize.lo cssize.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c cssize.cpp  -fPIC -DPIC -o .libs/cssize.o
In file included from cssize.hpp:4,
                 from cssize.cpp:9:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o extension.lo extension.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c extension.cpp  -fPIC -DPIC -o .libs/extension.o
In file included from extension.cpp:7:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o expand.lo expand.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c expand.cpp  -fPIC -DPIC -o .libs/expand.o
In file included from expand.cpp:8:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:18:
operation.hpp:206:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::SelectorCombinator*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  206 |     T operator()(SelectorCombinator* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
In file included from expand.hpp:7,
                 from expand.cpp:9:
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:194:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Parameters*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  194 |     T operator()(Parameters* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:193:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Parameter*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  193 |     T operator()(Parameter* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:183:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::SupportsCondition*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  183 |     T operator()(SupportsCondition* x)     { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:176:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Color*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  176 |     T operator()(Color* x)                  { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:173:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Custom_Error*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  173 |     T operator()(Custom_Error* x)           { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:172:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Custom_Warning*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  172 |     T operator()(Custom_Warning* x)         { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:168:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Function*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  168 |     T operator()(Function* x)               { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:163:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Mixin_Call*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  163 |     T operator()(Mixin_Call* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:162:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Definition*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  162 |     T operator()(Definition* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:161:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::ExtendRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  161 |     T operator()(ExtendRule* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:160:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Content*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  160 |     T operator()(Content* x)                { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:150:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Import_Stub*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  150 |     T operator()(Import_Stub* x)            { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:149:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Import*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  149 |     T operator()(Import* x)                 { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:147:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Declaration*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  147 |     T operator()(Declaration* x)            { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:146:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Keyframe_Rule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  146 |     T operator()(Keyframe_Rule* x)          { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:145:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::AtRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  145 |     T operator()(AtRule* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:144:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::AtRootRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  144 |     T operator()(AtRootRule* x)          { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:143:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::CssMediaQuery*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  143 |     T operator()(CssMediaQuery* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:142:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::CssMediaRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  142 |     T operator()(CssMediaRule* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:141:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::MediaRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  141 |     T operator()(MediaRule* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:140:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::SupportsRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  140 |     T operator()(SupportsRule* x)         { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:139:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Trace*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  139 |     T operator()(Trace* x)                  { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:138:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Bubble*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  138 |     T operator()(Bubble* x)                 { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:137:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::StyleRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  137 |     T operator()(StyleRule* x)                { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:134:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::AST_Node*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  134 |     T operator()(AST_Node* x)               { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o eval.lo eval.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c eval.cpp  -fPIC -DPIC -o .libs/eval.o
In file included from eval.hpp:7,
                 from eval.cpp:13:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:18:
operation.hpp:206:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::SelectorCombinator*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  206 |     T operator()(SelectorCombinator* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:194:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Parameters*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  194 |     T operator()(Parameters* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:193:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Parameter*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  193 |     T operator()(Parameter* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:183:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::SupportsCondition*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  183 |     T operator()(SupportsCondition* x)     { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:176:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Color*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  176 |     T operator()(Color* x)                  { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:173:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Custom_Error*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  173 |     T operator()(Custom_Error* x)           { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:172:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Custom_Warning*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  172 |     T operator()(Custom_Warning* x)         { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:168:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Function*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  168 |     T operator()(Function* x)               { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:163:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Mixin_Call*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  163 |     T operator()(Mixin_Call* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:162:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Definition*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  162 |     T operator()(Definition* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:161:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::ExtendRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  161 |     T operator()(ExtendRule* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:160:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Content*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  160 |     T operator()(Content* x)                { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:150:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Import_Stub*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  150 |     T operator()(Import_Stub* x)            { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:149:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Import*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  149 |     T operator()(Import* x)                 { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:147:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Declaration*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  147 |     T operator()(Declaration* x)            { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:146:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Keyframe_Rule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  146 |     T operator()(Keyframe_Rule* x)          { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:145:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::AtRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  145 |     T operator()(AtRule* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:144:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::AtRootRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  144 |     T operator()(AtRootRule* x)          { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:143:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::CssMediaQuery*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  143 |     T operator()(CssMediaQuery* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:142:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::CssMediaRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  142 |     T operator()(CssMediaRule* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:141:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::MediaRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  141 |     T operator()(MediaRule* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:140:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::SupportsRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  140 |     T operator()(SupportsRule* x)         { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:139:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Trace*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  139 |     T operator()(Trace* x)                  { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:138:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Bubble*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  138 |     T operator()(Bubble* x)                 { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:137:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::StyleRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  137 |     T operator()(StyleRule* x)                { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:134:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::AST_Node*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  134 |     T operator()(AST_Node* x)               { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o emitter.lo emitter.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c emitter.cpp  -fPIC -DPIC -o .libs/emitter.o
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o parser.lo parser.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c parser.cpp  -fPIC -DPIC -o .libs/parser.o
In file included from parser.hpp:11,
                 from parser.cpp:5:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o output.lo output.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c output.cpp  -fPIC -DPIC -o .libs/output.o
In file included from output.cpp:5:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o check_nesting.lo check_nesting.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c check_nesting.cpp  -fPIC -DPIC -o .libs/check_nesting.o
In file included from check_nesting.cpp:4:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o extender.lo extender.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c extender.cpp  -fPIC -DPIC -o .libs/extender.o
In file included from extender.cpp:4:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o sass_values.lo sass_values.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c sass_values.cpp  -fPIC -DPIC -o .libs/sass_values.o
In file included from eval.hpp:7,
                 from sass_values.cpp:8:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:18:
operation.hpp:206:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::SelectorCombinator*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  206 |     T operator()(SelectorCombinator* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:194:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Parameters*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  194 |     T operator()(Parameters* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:193:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Parameter*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  193 |     T operator()(Parameter* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:183:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::SupportsCondition*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  183 |     T operator()(SupportsCondition* x)     { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:176:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Color*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  176 |     T operator()(Color* x)                  { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:173:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Custom_Error*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  173 |     T operator()(Custom_Error* x)           { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:172:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Custom_Warning*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  172 |     T operator()(Custom_Warning* x)         { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:168:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Function*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  168 |     T operator()(Function* x)               { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:163:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Mixin_Call*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  163 |     T operator()(Mixin_Call* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:162:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Definition*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  162 |     T operator()(Definition* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:161:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::ExtendRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  161 |     T operator()(ExtendRule* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:160:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Content*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  160 |     T operator()(Content* x)                { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:150:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Import_Stub*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  150 |     T operator()(Import_Stub* x)            { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:149:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Import*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  149 |     T operator()(Import* x)                 { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:147:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Declaration*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  147 |     T operator()(Declaration* x)            { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:146:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Keyframe_Rule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  146 |     T operator()(Keyframe_Rule* x)          { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:145:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::AtRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  145 |     T operator()(AtRule* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:144:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::AtRootRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  144 |     T operator()(AtRootRule* x)          { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:143:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::CssMediaQuery*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  143 |     T operator()(CssMediaQuery* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:142:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::CssMediaRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  142 |     T operator()(CssMediaRule* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:141:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::MediaRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  141 |     T operator()(MediaRule* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:140:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::SupportsRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  140 |     T operator()(SupportsRule* x)         { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:139:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Trace*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  139 |     T operator()(Trace* x)                  { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:138:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::Bubble*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  138 |     T operator()(Bubble* x)                 { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:137:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::StyleRule*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  137 |     T operator()(StyleRule* x)                { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
operation.hpp:134:7: warning: 'T Sass::Operation_CRTP<T, D>::operator()(Sass::AST_Node*) [with T = Sass::Expression*; D = Sass::Eval]' was hidden [-Woverloaded-virtual=]
  134 |     T operator()(AST_Node* x)               { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
eval.hpp:96:17: note:   by 'Sass::Eval::operator()'
   96 |     Expression* operator()(Parent_Reference*);
      |                 ^~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o backtrace.lo backtrace.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c backtrace.cpp  -fPIC -DPIC -o .libs/backtrace.o
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o sass_context.lo sass_context.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c sass_context.cpp  -fPIC -DPIC -o .libs/sass_context.o
In file included from sass_context.cpp:4:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o sass.lo sass.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c sass.cpp  -fPIC -DPIC -o .libs/sass.o
In file included from context.hpp:7,
                 from sass.cpp:13:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o remove_placeholders.lo remove_placeholders.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c remove_placeholders.cpp  -fPIC -DPIC -o .libs/remove_placeholders.o
In file included from remove_placeholders.cpp:4:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o inspect.lo inspect.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c inspect.cpp  -fPIC -DPIC -o .libs/inspect.o
In file included from inspect.cpp:12:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o sass_functions.lo sass_functions.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c sass_functions.cpp  -fPIC -DPIC -o .libs/sass_functions.o
In file included from context.hpp:7,
                 from sass_functions.cpp:7:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o sass2scss.lo sass2scss.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c sass2scss.cpp  -fPIC -DPIC -o .libs/sass2scss.o
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o allocator.lo `test -f 'memory/allocator.cpp' || echo './'`memory/allocator.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c memory/allocator.cpp  -fPIC -DPIC -o .libs/allocator.o
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o shared_ptr.lo `test -f 'memory/shared_ptr.cpp' || echo './'`memory/shared_ptr.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c memory/shared_ptr.cpp  -fPIC -DPIC -o .libs/shared_ptr.o
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o ast2c.lo ast2c.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c ast2c.cpp  -fPIC -DPIC -o .libs/ast2c.o
In file included from ast2c.cpp:6:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from operation.hpp:15,
                 from ast2c.hpp:5,
                 from ast2c.cpp:5:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o base64vlq.lo base64vlq.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c base64vlq.cpp  -fPIC -DPIC -o .libs/base64vlq.o
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o c2ast.lo c2ast.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c c2ast.cpp  -fPIC -DPIC -o .libs/c2ast.o
In file included from c2ast.cpp:1:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o source_map.lo source_map.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c source_map.cpp  -fPIC -DPIC -o .libs/source_map.o
In file included from source_map.cpp:10:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o error_handling.lo error_handling.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c error_handling.cpp  -fPIC -DPIC -o .libs/error_handling.o
In file included from error_handling.cpp:5:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o operators.lo operators.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c operators.cpp  -fPIC -DPIC -o .libs/operators.o
In file included from values.hpp:4,
                 from operators.hpp:4,
                 from operators.cpp:6:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o to_value.lo to_value.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c to_value.cpp  -fPIC -DPIC -o .libs/to_value.o
In file included from to_value.cpp:5:
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:165:18: note:   by 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const'
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:167:17: note:   by 'bool Sass::Expression::operator!=(const Sass::Expression&) const'
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:908:10: note:   by 'bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const'
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:911:10: note:   by 'bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const'
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
ast.hpp:90:18: warning: 'virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:939:10: note:   by 'bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const'
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast.hpp:940:10: note:   by 'bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const'
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
ast.hpp:165:18: warning: 'virtual bool Sass::Expression::operator==(const Sass::Expression&) const' was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ast.hpp:14:
ast_def_macros.hpp:105:16: note:   by 'virtual bool Sass::Selector::operator==(const Sass::Selector&) const'
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast.hpp:96:18: warning: 'virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const' was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ast.hpp:1055:
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::PlaceholderSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:157:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::TypeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:174:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::ClassSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:188:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::IDSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:204:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:137:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const' was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:136:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const' was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:135:18: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const' was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_selectors.hpp:133:10: warning: 'virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
ast_def_macros.hpp:109:16: note:   by 'Sass::AttributeSelector::operator=='
  109 |   virtual bool operator==(const klass& rhs) const; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:139:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:223:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:310:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  310 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::Selector::operator!=(const Sass::Selector&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:56:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: note:   by 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const'
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:106:16: warning: 'virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const' was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:349:5: note: in expansion of macro 'ATTACH_VIRTUAL_CMP_OPERATIONS'
  349 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ast_def_macros.hpp:110:16: note:   by 'virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const'
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
ast_selectors.hpp:407:5: note: in expansion of macro 'ATTACH_CMP_OPERATIONS'
  407 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=compile x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I.  -I../include  -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -c -o utf8_string.lo utf8_string.cpp
libtool: compile:  x86_64-alt-linux-g++ -DHAVE_CONFIG_H -I. -I../include -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto -c utf8_string.cpp  -fPIC -DPIC -o .libs/utf8_string.o
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
/bin/sh ../libtool  --tag=CXX   --mode=link x86_64-alt-linux-g++ -Wall -O2 -std=c++11 -pipe -frecord-gcc-switches -Wall -g -O2 -flto=auto  -Wall -O2  -no-undefined -version-info 1:0:0  -o libsass.la -rpath /usr/lib64 cencode.lo ast.lo ast_values.lo ast_supports.lo ast_sel_cmp.lo ast_sel_unify.lo ast_sel_super.lo ast_sel_weave.lo ast_selectors.lo context.lo constants.lo fn_utils.lo fn_miscs.lo fn_maps.lo fn_lists.lo fn_colors.lo fn_numbers.lo fn_strings.lo fn_selectors.lo color_maps.lo environment.lo ast_fwd_decl.lo bind.lo file.lo util.lo util_string.lo json.lo units.lo values.lo plugins.lo source.lo position.lo lexer.lo parser.lo parser_selectors.lo prelexer.lo eval.lo eval_selectors.lo expand.lo listize.lo cssize.lo extender.lo extension.lo stylesheet.lo output.lo inspect.lo emitter.lo check_nesting.lo remove_placeholders.lo sass.lo sass_values.lo sass_context.lo sass_functions.lo sass2scss.lo backtrace.lo operators.lo ast2c.lo c2ast.lo to_value.lo source_map.lo error_handling.lo allocator.lo shared_ptr.lo utf8_string.lo base64vlq.lo  
libtool: link: x86_64-alt-linux-g++  -fPIC -DPIC -shared -nostdlib /usr/lib64/gcc/x86_64-alt-linux/13/../../../../lib64/crti.o /usr/lib64/gcc/x86_64-alt-linux/13/crtbeginS.o  .libs/cencode.o .libs/ast.o .libs/ast_values.o .libs/ast_supports.o .libs/ast_sel_cmp.o .libs/ast_sel_unify.o .libs/ast_sel_super.o .libs/ast_sel_weave.o .libs/ast_selectors.o .libs/context.o .libs/constants.o .libs/fn_utils.o .libs/fn_miscs.o .libs/fn_maps.o .libs/fn_lists.o .libs/fn_colors.o .libs/fn_numbers.o .libs/fn_strings.o .libs/fn_selectors.o .libs/color_maps.o .libs/environment.o .libs/ast_fwd_decl.o .libs/bind.o .libs/file.o .libs/util.o .libs/util_string.o .libs/json.o .libs/units.o .libs/values.o .libs/plugins.o .libs/source.o .libs/position.o .libs/lexer.o .libs/parser.o .libs/parser_selectors.o .libs/prelexer.o .libs/eval.o .libs/eval_selectors.o .libs/expand.o .libs/listize.o .libs/cssize.o .libs/extender.o .libs/extension.o .libs/stylesheet.o .libs/output.o .libs/inspect.o .libs/emitter.o .libs/check_nesting.o .libs/remove_placeholders.o .libs/sass.o .libs/sass_values.o .libs/sass_context.o .libs/sass_functions.o .libs/sass2scss.o .libs/backtrace.o .libs/operators.o .libs/ast2c.o .libs/c2ast.o .libs/to_value.o .libs/source_map.o .libs/error_handling.o .libs/allocator.o .libs/shared_ptr.o .libs/utf8_string.o .libs/base64vlq.o   -L/usr/lib64/gcc/x86_64-alt-linux/13 -L/usr/lib64/gcc/x86_64-alt-linux/13/../../../../lib64 -L/lib/../lib64 -L/usr/lib/../lib64 -L/usr/lib64/gcc/x86_64-alt-linux/13/../../.. -lstdc++ -lm -lc -lgcc_s /usr/lib64/gcc/x86_64-alt-linux/13/crtendS.o /usr/lib64/gcc/x86_64-alt-linux/13/../../../../lib64/crtn.o  -O2 -g -O2 -flto=auto -O2   -Wl,-soname -Wl,libsass.so.1 -o .libs/libsass.so.1.0.0
In function 'lcs',
    inlined from 'weaveParents' at ast_sel_weave.cpp:563:74:
dart_helpers.hpp:122:14: warning: argument 1 value '18446744073709551615' exceeds maximum object size 9223372036854775807 [-Walloc-size-larger-than=]
  122 |     T* res = new T[mm * nn + 1];
      |              ^
/usr/include/c++/13/new: In function 'weaveParents':
/usr/include/c++/13/new:128:26: note: in a call to allocation function 'operator new []' declared here
  128 | _GLIBCXX_NODISCARD void* operator new[](std::size_t) _GLIBCXX_THROW (std::bad_alloc)
      |                          ^
libtool: link: (cd ".libs" && rm -f "libsass.so.1" && ln -s "libsass.so.1.0.0" "libsass.so.1")
libtool: link: (cd ".libs" && rm -f "libsass.so" && ln -s "libsass.so.1.0.0" "libsass.so")
libtool: link: ( cd ".libs" && rm -f "libsass.la" && ln -s "../libsass.la" "libsass.la" )
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[1]: Nothing to be done for 'all-am'.
+ exit 0
Executing(%install): /bin/sh -e /usr/src/tmp/rpm-tmp.48847
+ umask 022
+ /bin/mkdir -p /usr/src/RPM/BUILD
+ cd /usr/src/RPM/BUILD
+ /bin/chmod -Rf u+rwX -- /usr/src/tmp/libsass-buildroot
+ :
+ /bin/rm -rf -- /usr/src/tmp/libsass-buildroot
+ PATH=/usr/libexec/rpm-build:/usr/src/bin:/usr/bin:/bin:/usr/local/bin:/usr/games
+ cd libsass-3.6.6
+ make 'INSTALL=/usr/libexec/rpm-build/install -p' install DESTDIR=/usr/src/tmp/libsass-buildroot
make: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6'
Making install in src
make[1]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
 /usr/bin/mkdir -p '/usr/src/tmp/libsass-buildroot/usr/lib64'
 /bin/sh ../libtool   --mode=install /usr/libexec/rpm-build/install -p   libsass.la '/usr/src/tmp/libsass-buildroot/usr/lib64'
libtool: install: /usr/libexec/rpm-build/install -p .libs/libsass.so.1.0.0 /usr/src/tmp/libsass-buildroot/usr/lib64/libsass.so.1.0.0
libtool: install: (cd /usr/src/tmp/libsass-buildroot/usr/lib64 && { ln -s -f libsass.so.1.0.0 libsass.so.1 || { rm -f libsass.so.1 && ln -s libsass.so.1.0.0 libsass.so.1; }; })
libtool: install: (cd /usr/src/tmp/libsass-buildroot/usr/lib64 && { ln -s -f libsass.so.1.0.0 libsass.so || { rm -f libsass.so && ln -s libsass.so.1.0.0 libsass.so; }; })
libtool: install: /usr/libexec/rpm-build/install -p .libs/libsass.lai /usr/src/tmp/libsass-buildroot/usr/lib64/libsass.la
libtool: warning: remember to run 'libtool --finish /usr/lib64'
 /usr/bin/mkdir -p '/usr/src/tmp/libsass-buildroot/usr/include'
 /usr/libexec/rpm-build/install -p -m 644 ../include/sass.h ../include/sass2scss.h '/usr/src/tmp/libsass-buildroot/usr/include'
 /usr/bin/mkdir -p '/usr/src/tmp/libsass-buildroot/usr/lib64/pkgconfig'
 /usr/libexec/rpm-build/install -p -m 644 support/libsass.pc '/usr/src/tmp/libsass-buildroot/usr/lib64/pkgconfig'
 /usr/bin/mkdir -p '/usr/src/tmp/libsass-buildroot/usr/include/sass'
 /usr/libexec/rpm-build/install -p -m 644 ../include/sass/base.h ../include/sass/values.h ../include/sass/version.h ../include/sass/context.h ../include/sass/functions.h '/usr/src/tmp/libsass-buildroot/usr/include/sass'
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[1]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6/src'
make[1]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6'
make[2]: Entering directory '/usr/src/RPM/BUILD/libsass-3.6.6'
make[2]: Nothing to be done for 'install-exec-am'.
make[2]: Nothing to be done for 'install-data-am'.
make[2]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6'
make[1]: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6'
make: Leaving directory '/usr/src/RPM/BUILD/libsass-3.6.6'
+ /usr/lib/rpm/brp-alt
Cleaning files in /usr/src/tmp/libsass-buildroot (auto)
removed './usr/lib64/libsass.la'
mode of './usr/lib64/libsass.so.1.0.0' changed from 0755 (rwxr-xr-x) to 0644 (rw-r--r--)
Verifying and fixing files in /usr/src/tmp/libsass-buildroot (binconfig,pkgconfig,libtool,desktop,gnuconfig)
/usr/lib64/pkgconfig/libsass.pc: Cflags: '-I${includedir}' --> ''
/usr/lib64/pkgconfig/libsass.pc: Libs: '-L${libdir} -lsass' --> '-lsass'
Checking contents of files in /usr/src/tmp/libsass-buildroot/ (default)
Compressing files in /usr/src/tmp/libsass-buildroot (auto)
Adjusting library links in /usr/src/tmp/libsass-buildroot
./usr/lib64: (from <cmdline>:0)
	libsass.so.1 -> libsass.so.1.0.0
Verifying ELF objects in /usr/src/tmp/libsass-buildroot (arch=normal,fhs=normal,lfs=relaxed,lint=relaxed,rpath=normal,stack=normal,textrel=normal,unresolved=normal)
Splitting links to aliased files under /{,s}bin in /usr/src/tmp/libsass-buildroot
Executing(%check): /bin/sh -e /usr/src/tmp/rpm-tmp.73949
Check is turned off by --disable check
Processing files: libsass-3.6.6-alt1
Executing(%doc): /bin/sh -e /usr/src/tmp/rpm-tmp.73949
+ umask 022
+ /bin/mkdir -p /usr/src/RPM/BUILD
+ cd /usr/src/RPM/BUILD
+ cd libsass-3.6.6
+ DOCDIR=/usr/src/tmp/libsass-buildroot/usr/share/doc/libsass-3.6.6
+ export DOCDIR
+ rm -rf /usr/src/tmp/libsass-buildroot/usr/share/doc/libsass-3.6.6
+ /bin/mkdir -p /usr/src/tmp/libsass-buildroot/usr/share/doc/libsass-3.6.6
+ cp -prL CODE_OF_CONDUCT.md Readme.md SECURITY.md /usr/src/tmp/libsass-buildroot/usr/share/doc/libsass-3.6.6
+ chmod -R go-w /usr/src/tmp/libsass-buildroot/usr/share/doc/libsass-3.6.6
+ chmod -R a+rX /usr/src/tmp/libsass-buildroot/usr/share/doc/libsass-3.6.6
+ exit 0
Finding Provides (using /usr/lib/rpm/find-provides)
Executing: /bin/sh -e /usr/src/tmp/rpm-tmp.kUmw4L
find-provides: running scripts (debuginfo,lib,pam,perl,pkgconfig,python,python3,shell)
lib.prov: /usr/src/tmp/libsass-buildroot/usr/lib64/libsass.so.1: 3161 symbols, 22 bpp
Finding Requires (using /usr/lib/rpm/find-requires)
Executing: /bin/sh -e /usr/src/tmp/rpm-tmp.lipuqh
find-requires: running scripts (cpp,debuginfo,files,lib,pam,perl,pkgconfig,pkgconfiglib,python,python3,rpmlib,shebang,shell,static,symlinks,systemd-services)
Provides: libsass.so.1()(64bit) = set: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
Requires: libc.so.6(GLIBC_2.14)(64bit), libc.so.6(GLIBC_2.2.5)(64bit), libc.so.6(GLIBC_2.3.4)(64bit), libc.so.6(GLIBC_2.33)(64bit), libc.so.6(GLIBC_2.34)(64bit), libc.so.6(GLIBC_2.38)(64bit), libc.so.6(GLIBC_2.4)(64bit), libc.so.6(GLIBC_2.7)(64bit), libgcc_s.so.1(GCC_3.0)(64bit), libgcc_s.so.1(GCC_3.3.1)(64bit), libm.so.6(GLIBC_2.2.5)(64bit), libm.so.6(GLIBC_2.29)(64bit), libm.so.6(GLIBC_2.38)(64bit), libstdc++.so.6(CXXABI_1.3)(64bit), libstdc++.so.6(CXXABI_1.3.5)(64bit), libstdc++.so.6(CXXABI_1.3.8)(64bit), libstdc++.so.6(GLIBCXX_3.4)(64bit), libstdc++.so.6(GLIBCXX_3.4.11)(64bit), libstdc++.so.6(GLIBCXX_3.4.18)(64bit), libstdc++.so.6(GLIBCXX_3.4.20)(64bit), libstdc++.so.6(GLIBCXX_3.4.21)(64bit), libstdc++.so.6(GLIBCXX_3.4.26)(64bit), libstdc++.so.6(GLIBCXX_3.4.29)(64bit), libstdc++.so.6(GLIBCXX_3.4.32)(64bit), libstdc++.so.6(GLIBCXX_3.4.9)(64bit), rtld(GNU_HASH)
Finding debuginfo files (using /usr/lib/rpm/find-debuginfo-files)
Executing: /bin/sh -e /usr/src/tmp/rpm-tmp.m3c7wX
Creating libsass-debuginfo package
Processing files: libsass-devel-3.6.6-alt1
Finding Provides (using /usr/lib/rpm/find-provides)
Executing: /bin/sh -e /usr/src/tmp/rpm-tmp.kzEoyr
find-provides: running scripts (debuginfo,lib,pam,perl,pkgconfig,python,python3,shell)
Finding Requires (using /usr/lib/rpm/find-requires)
Executing: /bin/sh -e /usr/src/tmp/rpm-tmp.cr3V8L
find-requires: running scripts (cpp,debuginfo,files,lib,pam,perl,pkgconfig,pkgconfiglib,python,python3,rpmlib,shebang,shell,static,symlinks,systemd-services)
Provides: pkgconfig(libsass) = 3.6.6
Requires: libsass = 3.6.6-alt1, /usr/lib64/libsass.so.1.0.0, /usr/lib64/pkgconfig
Finding debuginfo files (using /usr/lib/rpm/find-debuginfo-files)
Executing: /bin/sh -e /usr/src/tmp/rpm-tmp.YVSJVX
Processing files: libsass-debuginfo-3.6.6-alt1
Finding Provides (using /usr/lib/rpm/find-provides)
Executing: /bin/sh -e /usr/src/tmp/rpm-tmp.LDQvu9
find-provides: running scripts (debuginfo)
Finding Requires (using /usr/lib/rpm/find-requires)
Executing: /bin/sh -e /usr/src/tmp/rpm-tmp.NTf4ej
find-requires: running scripts (debuginfo)
Provides: debug64(libsass.so.1)
Requires: libsass = 3.6.6-alt1, debug64(libc.so.6), debug64(libgcc_s.so.1), debug64(libm.so.6), debug64(libstdc++.so.6)
Adding to libsass-devel a strict dependency on libsass
Adding to libsass-debuginfo a strict dependency on libsass
Removing 1 extra deps from libsass-devel due to dependency on libsass
Wrote: /usr/src/RPM/RPMS/x86_64/libsass-3.6.6-alt1.x86_64.rpm (w2.lzdio)
Wrote: /usr/src/RPM/RPMS/x86_64/libsass-devel-3.6.6-alt1.x86_64.rpm (w2.lzdio)
Wrote: /usr/src/RPM/RPMS/x86_64/libsass-debuginfo-3.6.6-alt1.x86_64.rpm (w2T8.xzdio)
146.94user 15.42system 0:46.17elapsed 351%CPU (0avgtext+0avgdata 294728maxresident)k
0inputs+0outputs (0major+4902425minor)pagefaults 0swaps
6.41user 1.90system 0:58.47elapsed 14%CPU (0avgtext+0avgdata 131636maxresident)k
0inputs+0outputs (0major+219228minor)pagefaults 0swaps
--- libsass-3.6.6-alt1.x86_64.rpm.repo	2023-12-22 23:08:01.000000000 +0000
+++ libsass-3.6.6-alt1.x86_64.rpm.hasher	2024-05-13 03:06:04.046822357 +0000
@@ -36,3 +36,3 @@
 File: /usr/lib64/libsass.so.1	120777	root:root		libsass.so.1.0.0
-File: /usr/lib64/libsass.so.1.0.0	100644	root:root	50731aebb551088e548ae6d0e9758f13	
+File: /usr/lib64/libsass.so.1.0.0	100644	root:root	de6130c39ac3d655608f58c3addaf378	
 File: /usr/share/doc/libsass-3.6.6	40755	root:root		
@@ -41,2 +41,2 @@
 File: /usr/share/doc/libsass-3.6.6/SECURITY.md	100644	root:root	8a3fbab9563566ab7bf183b1691ee092	
-RPMIdentity: debb549dd0862f029a55edf26bd99a9f7d6533c144a7191786a2e8de70a9dbafa7a0d89b7ec8f6a23eea2daa0b641cf7735a925e4dc03b8a64db9a6727a727bd
+RPMIdentity: e61c2842466f8376de19d6477312d90eb742636b95aa8f2ecdcc2a20e1df3c1b5ce53c2026f70c6429a86cc184595c82f4b03759a5703b27559c808610c9b803
--- libsass-debuginfo-3.6.6-alt1.x86_64.rpm.repo	2023-12-22 23:08:01.000000000 +0000
+++ libsass-debuginfo-3.6.6-alt1.x86_64.rpm.hasher	2024-05-13 03:06:04.122822484 +0000
@@ -1,4 +1,4 @@
-/usr/lib/debug/.build-id/5c	40755	root:root	
-/usr/lib/debug/.build-id/5c/9f9b4dc55eee986eba7a79e9443adea768c7b1	120777	root:root	../../../../lib64/libsass.so.1.0.0
-/usr/lib/debug/.build-id/5c/9f9b4dc55eee986eba7a79e9443adea768c7b1.debug	120777	root:root	../../usr/lib64/libsass.so.1.0.0.debug
+/usr/lib/debug/.build-id/ed	40755	root:root	
+/usr/lib/debug/.build-id/ed/f6acc49d92bb2b1dfb1f39e862ec95602f4400	120777	root:root	../../../../lib64/libsass.so.1.0.0
+/usr/lib/debug/.build-id/ed/f6acc49d92bb2b1dfb1f39e862ec95602f4400.debug	120777	root:root	../../usr/lib64/libsass.so.1.0.0.debug
 /usr/lib/debug/usr/lib64/libsass.so.1.0.0.debug	100644	root:root	
@@ -159,6 +159,6 @@
 Provides: libsass-debuginfo = 3.6.6-alt1:sisyphus+337055.100.1.1
-File: /usr/lib/debug/.build-id/5c	40755	root:root		
-File: /usr/lib/debug/.build-id/5c/9f9b4dc55eee986eba7a79e9443adea768c7b1	120777	root:root		../../../../lib64/libsass.so.1.0.0
-File: /usr/lib/debug/.build-id/5c/9f9b4dc55eee986eba7a79e9443adea768c7b1.debug	120777	root:root		../../usr/lib64/libsass.so.1.0.0.debug
-File: /usr/lib/debug/usr/lib64/libsass.so.1.0.0.debug	100644	root:root	eee73f778024d914fc82f38b4ed5aadc	
+File: /usr/lib/debug/.build-id/ed	40755	root:root		
+File: /usr/lib/debug/.build-id/ed/f6acc49d92bb2b1dfb1f39e862ec95602f4400	120777	root:root		../../../../lib64/libsass.so.1.0.0
+File: /usr/lib/debug/.build-id/ed/f6acc49d92bb2b1dfb1f39e862ec95602f4400.debug	120777	root:root		../../usr/lib64/libsass.so.1.0.0.debug
+File: /usr/lib/debug/usr/lib64/libsass.so.1.0.0.debug	100644	root:root	4e97dad5a29670a3a516c291c424cf9e	
 File: /usr/lib/debug/usr/lib64/libsass.so.1.debug	120777	root:root		libsass.so.1.0.0.debug
@@ -310,2 +310,2 @@
 File: /usr/src/debug/libsass-3.6.6/src/values.hpp	100644	root:root	8d1c3820ac1e25283a031cd8ba149cac	
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