r229117 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Wed Oct 21 07:56:54 2015
New Revision: 229117

URL: https://gcc.gnu.org/viewcvs?rev=229117&root=gcc&view=rev
Log:
2015-10-21  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/68026
	* tree-ssa-ccp.c (get_value_for_expr): Zero-extend mask for
	unsigned VARYING values.

	* gcc.dg/tree-ssa/ssa-ccp-39.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-39.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-ccp.c