r195650 - in /branches/gcc-4_7-branch/gcc: Chan...

[jakub@gcc.gnu.org]

Author: jakub
Date: Fri Feb  1 14:00:12 2013
New Revision: 195650

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195650
Log:
	Backported from mainline
	2012-11-20  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/55094
	* builtins.c (expand_builtin_trap): Add REG_ARGS_SIZE note
	on the trap insn for !ACCUMULATE_OUTGOING_ARGS.
	* cfgcleanup.c (outgoing_edges_match): Don't look at debug insns
	on the first old_insns_match_p call.  For !ACCUMULATE_OUTGOING_ARGS
	fail if the last real insn doesn't have REG_ARGS_SIZE note.

	* gcc.dg/pr55094.c: New test.

Added:
    branches/gcc-4_7-branch/gcc/testsuite/gcc.dg/pr55094.c
Modified:
    branches/gcc-4_7-branch/gcc/ChangeLog
    branches/gcc-4_7-branch/gcc/builtins.c
    branches/gcc-4_7-branch/gcc/cfgcleanup.c
    branches/gcc-4_7-branch/gcc/testsuite/ChangeLog