http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56881
--- Comment #5 from devspam at moreofthesa dot me.uk 2013-04-10 15:02:54 UTC --- The tarball which I've attached also provides its own test case – compile it then pass it one of its own source files. It'll either segfault or not depending on compile-time optimisation settings.