r172110 - in /branches/gcc-4_6-branch/gcc: Chan...

[jakub@gcc.gnu.org]

Author: jakub
Date: Thu Apr  7 18:05:08 2011
New Revision: 172110

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=172110
Log:
	PR debug/48343
	* combine.c (combine_instructions): Add last_combined_insn,
	update it if insn is after it, pass it to all try_combine
	calls.
	(try_combine): Add last_combined_insn parameter, pass it instead of
	i3 to propagate_for_debug.

	* gcc.dg/torture/pr48343.c: New test.

Added:
    branches/gcc-4_6-branch/gcc/testsuite/gcc.dg/torture/pr48343.c
Modified:
    branches/gcc-4_6-branch/gcc/ChangeLog
    branches/gcc-4_6-branch/gcc/combine.c
    branches/gcc-4_6-branch/gcc/testsuite/ChangeLog