r196825 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Wed Mar 20 13:26:19 2013
New Revision: 196825

URL: http://gcc.gnu.org/viewcvs?rev=196825&root=gcc&view=rev
Log:
2013-03-20  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56661
	* tree-ssa-sccvn.c (visit_use): Only value-number calls if
	the result does not have to be distinct.

	* gcc.dg/torture/pr56661.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr56661.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-sccvn.c