r248919 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Tue Jun  6 12:46:41 2017
New Revision: 248919

URL: https://gcc.gnu.org/viewcvs?rev=248919&root=gcc&view=rev
Log:
2017-06-06  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/80974
	* tree-ssa-sccvn.c (set_ssa_val_to): Do not change but only
	keep or clear leaders SSA info.

	* gcc.dg/torture/pr80974.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr80974.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-sccvn.c