r157944 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Fri Apr  2 16:50:04 2010
New Revision: 157944

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157944
Log:
2010-04-02  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/43629
	* tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
	if we have seen a constant value.

	* gcc.c-torture/execute/pr43629.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.c-torture/execute/pr43629.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-ccp.c