llvm-toolchain-3.8 FTBFS in Artful due to gcc-6 ICE

[Balint Reczey]

Rebuilding llvm-toolchain-3.8 1:3.8.1-23ubuntu3 failed on i386:

...
[ 54%] Building CXX object tools/clang/lib/Sema/CMakeFiles/clangSema.dir/SemaEx
prCXX.cpp.o
cd /<<PKGBUILDDIR>>/build-llvm/tools/clang/lib/Sema && /usr/bin/g++-6 -DCLANG
_ENABLE_ARCMT -DCLANG_ENABLE_OBJC_REWRITER -DCLANG_ENABLE_STATIC_ANALYZER -D_GN
U_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS
-I/<<PKGBUILDDIR>>/build-llvm/tools/clang/lib/Sema -I/<<PKGBUILDDIR>>/tools/cla
ng/lib/Sema -I/<<PKGBUILDDIR>>/tools/clang/include -I/<<PKGBUILDDIR>>/build-llv
m/tools/clang/include -I/<<PKGBUILDDIR>>/build-llvm/include -I/<<PKGBUILDDIR>>/
include -std=c++0x -gsplit-dwarf -Wl,-fuse-ld=gold -fPIC -fvisibility-inlines-
hidden -Wall -W -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wno-missing-
field-initializers -pedantic -Wno-long-long -Wno-maybe-uninitialized -Wdelete-n
on-virtual-dtor -Wno-comment -std=c++11 -ffunction-sections -fdata-sections -fn
o-common -Woverloaded-virtual -fno-strict-aliasing -O2 -g -DNDEBUG -fno-exce
ptions -o CMakeFiles/clangSema.dir/SemaExprCXX.cpp.o -c /<<PKGBUILDDIR>>/tools/
clang/lib/Sema/SemaExprCXX.cpp
...
g++-6: internal compiler error: Killed (program cc1plus)
Please submit a full bug report,
with preprocessed source if appropriate.
See <file:///usr/share/doc/gcc-6/README.Bugs> for instructions.
tools/clang/lib/Sema/CMakeFiles/clangSema.dir/build.make:689: recipe for target
 'tools/clang/lib/Sema/CMakeFiles/clangSema.dir/SemaExprCXX.cpp.o' failed
make[4]: *** [tools/clang/lib/Sema/CMakeFiles/clangSema.dir/SemaExprCXX.cpp.o]
Error 4
make[4]: *** Waiting for unfinished jobs....
make[4]: Leaving directory '/<<PKGBUILDDIR>>/build-llvm'
CMakeFiles/Makefile2:24600: recipe for target 'tools/clang/lib/Sema/CMakeFiles/
clangSema.dir/all' failed
make[3]: *** [tools/clang/lib/Sema/CMakeFiles/clangSema.dir/all] Error 2
make[3]: Leaving directory '/<<PKGBUILDDIR>>/build-llvm'
Makefile:152: recipe for target 'all' failed
make[2]: *** [all] Error 2
make[2]: Leaving directory '/<<PKGBUILDDIR>>/build-llvm'
debian/rules:269: recipe for target 'override_dh_auto_build' failed
make[1]: *** [override_dh_auto_build] Error 2
make[1]: Leaving directory '/<<PKGBUILDDIR>>'
debian/rules:150: recipe for target 'build' failed
make: *** [build] Error 2
dpkg-buildpackage: error: debian/rules build gave error exit status 2

[Balint Reczey (rbalint)]

Also failing with ICE with gcc-7 7.1.0-6ubuntu2 and gcc-snapshot 20170520-1ubuntu1 (amd64).

[Matthias Klose (doko)]

what about llvm 4 and 5?

[Balint Reczey (rbalint)]

All llvm packages seem to build since then (or fail to build due to other reasons).