r225459 - in /trunk/gcc: ChangeLog testsuite/Ch...

Mon Jul 6 14:41:00 GMT 2015

Author: rguenth
Date: Mon Jul  6 14:41:22 2015
New Revision: 225459

URL: https://gcc.gnu.org/viewcvs?rev=225459&root=gcc&view=rev
Log:
2015-07-06  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/66772
	* tree-ssa-ccp.c (ccp_visit_phi_node): Make sure that copy
	values are available in the PHI node BB when there are
	still unexecutable edges.

	* gcc.dg/torture/pr66772-1.c: New testcase.
	* gcc.dg/torture/pr66772-2.c: Likewise.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr66733-1.c
    trunk/gcc/testsuite/gcc.dg/torture/pr66733-2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-ccp.c