r190528 - in /trunk/gcc: ChangeLog gimple-fold....

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Mon Aug 20 10:26:45 2012
New Revision: 190528

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=190528
Log:
2012-08-20  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/54327
	* gimple-fold.c (get_maxval_strlen): Do not walk use-def chains
	if the use is registered for SSA update.

	* gcc.dg/torture/pr54327.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr54327.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimple-fold.c
    trunk/gcc/testsuite/ChangeLog