r246500 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Mon Mar 27 12:52:13 2017
New Revision: 246500

URL: https://gcc.gnu.org/viewcvs?rev=246500&root=gcc&view=rev
Log:
2017-03-27  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/80181
	* tree-ssa-ccp.c (likely_value): UNDEFINED ^ X is UNDEFINED.

	* gcc.dg/torture/pr80181.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr80181.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-ccp.c