http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53636
--- Comment #2 from Ulrich Weigand <uweigand at gcc dot gnu.org> 2012-06-15 15:11:51 UTC --- Now fixed on mainline; still fails on 4.7. (While the bug is probably latent even earlier, this particular test case does not crash on 4.6.)