http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55005
--- Comment #5 from Marek Polacek <mpolacek at gcc dot gnu.org> 2012-10-22 13:08:40 UTC --- In .jump there's ;; Function main (main, funcdef_no=2, decl_uid=1727, cgraph_uid=2) (executed once) Deleted 22 trivially dead insns 3 basic blocks, 1 edges. (note 5 0 4 2 [bb 2] NOTE_INSN_BASIC_BLOCK) (note 4 5 0 2 NOTE_INSN_FUNCTION_BEG) Doesn't look right.