http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50686
--- Comment #39 from Bernd Schmidt <bernds at gcc dot gnu.org> 2013-04-11 11:35:33 UTC --- Created attachment 29857 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29857 Candidate fix Ok, the --enable-checking made it reproducible. The lesson here is that a good bug report includes information on how the build was configured. Try this patch.