https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64600
--- Comment #7 from ktkachov at gcc dot gnu.org --- (In reply to Ramana Radhakrishnan from comment #5) > Confirmed - svn+ssh://gcc.gnu.org/svn/gcc/trunk@219641 > > Passed in a build I had from 13/01/2015. > > This is a regression. now that I reproduced this I can't un-reproduce ;) This goes for me at least as far back as Dec 15. The ICE is a gcc_checking_assert so perhaps your 13/01 toolchain doesn't have checking enabled?