https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81763
--- Comment #42 from Mike Lothian <mike at fireburn dot co.uk> ---
With the patch in Comment 36 I get the following error compiling Clang
FAILED: lib/Lex/CMakeFiles/clangLex.dir/PPExpressions.cpp.o
/usr/bin/x86_64-pc-linux-gnu-g++ -m32 -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
-D_LARGEFILE_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS
-D__STDC_LIMIT_MACROS -Ilib/Lex
-I/var/tmp/portage/sys-devel/clang-9999/work/x/y/clang-9999/lib/Lex
-I/var/tmp/portage/sys-devel/clang-9999/work/x/y/clang-9999/include -Iinclude
-I/usr/lib/llvm/7/include -DNDEBUG -O2 -march=native -pipe
-mindirect-branch=thunk -mfunction-return=thunk -mindirect-branch-register
-fpermissive -fPIC -fvisibility-inlines-hidden -Werror=date-time -std=c++11
-Wall -W -Wno-unused-parameter -Wwrite-strings -Wcast-qual
-Wno-missing-field-initializers -Wdelete-non-virtual-dtor -Wno-comment
-ffunction-sections -fdata-sections -fno-common -Woverloaded-virtual
-fno-strict-aliasing -pedantic -Wno-long-long -fPIC -MD -MT
lib/Lex/CMakeFiles/clangLex.dir/PPExpressions.cpp.o -MF
lib/Lex/CMakeFiles/clangLex.dir/PPExpressions.cpp.o.d -o
lib/Lex/CMakeFiles/clangLex.dir/PPExpressions.cpp.o -c
/var/tmp/portage/sys-devel/clang-9999/work/x/y/clang-9999/lib/Lex/PPExpressions.cpp
/var/tmp/portage/sys-devel/clang-9999/work/x/y/clang-9999/lib/Lex/PPExpressions.cpp:
In function ‘bool EvaluateValue({anonymous}::PPValue&, clang::Token&,
DefinedTracker&, bool, clang::Preprocessor&)’:
/var/tmp/portage/sys-devel/clang-9999/work/x/y/clang-9999/lib/Lex/PPExpressions.cpp:492:1:
internal compiler error: in gen_split_178, at config/i386/i386.md:8623
}
^
