r251378 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Mon Aug 28 11:42:23 2017
New Revision: 251378

URL: https://gcc.gnu.org/viewcvs?rev=251378&root=gcc&view=rev
Log:
2017-08-28  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/81977
	* tree-ssa-sccvn.c (vn_reference_lookup_3): Fix look through
	memcpy.

	* g++.dg/torture/pr81977.C: New testcase.

Added:
    trunk/gcc/testsuite/g++.dg/torture/pr81977.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-sccvn.c