r144840 - in /branches/alias-improvements/gcc: ...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Fri Mar 13 15:27:51 2009
New Revision: 144840

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=144840
Log:
2009-03-13  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-pre.c (valid_in_sets): Check if the VUSE for
	a REFERENCE is available.

	* gcc.c-torture/execute/20090113-3.c: New testcase.

Added:
    branches/alias-improvements/gcc/testsuite/gcc.c-torture/execute/20090113-3.c
Modified:
    branches/alias-improvements/gcc/ChangeLog.alias
    branches/alias-improvements/gcc/tree-ssa-pre.c