http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48403
--- Comment #21 from Bernd Schmidt <bernds at gcc dot gnu.org> 2011-04-03 00:10:06 UTC --- Okay, the problem showed up on Fedora 14 (no idea why only there). The bug is that I've missed some uses of last_scheduled_insn. Will probably be able to post a fix on Monday.