https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68419
--- Comment #5 from Martin Jambor <jamborm at gcc dot gnu.org> --- Sorry, but I still cannot reproduce it. I have checkout out the latest gcc_5-branch (rev 232044) and configured it (on an x86_64-linux) with ../src/configure --prefix=/home/mjambor/gcc/5/m68k/ --target=m68k-elf --enable-languages=c --enable-checking=release --disable-bootstrap --disable-libssp --disable-tls --enable-threads=single Then I build the compiler simply with make (which fails afterwards because it cannot build libgcc without other cross m68k tools but I do get cc1). Then I run cc1 on the provided example: ~/gcc/5/cross/gcc/cc1 -O2 unwind-dw2.i -g -auxbase-strip unwind-dw2.o -g -O2 -fbuilding-libgcc -fno-stack-protector -fexceptions -fvisibility=hidden -quiet and I get only warnings, no ICE. Can you please try to find any difference in between my setup and yours which makes the issue non-reproducible for me? Thanks.