http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60659
--- Comment #5 from Jan Hubicka <hubicka at gcc dot gnu.org> --- Created attachment 32494 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32494&action=edit Patch I am testing This is patch that makes us to redirect those type inconsistent calls to builtin_unreachable. It seems to match surprisingly often on firefox, so I will try to also test libreoffice's unit tests before comiting.