r246583 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Thu Mar 30 07:15:39 2017
New Revision: 246583

URL: https://gcc.gnu.org/viewcvs?rev=246583&root=gcc&view=rev
Log:
2017-03-30  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/77498
	* tree-ssa-pre.c (phi_translate_1): Do not allow simplifications
	to non-constants over backedges.

	* gfortran.dg/pr77498.f: New testcase.

Added:
    trunk/gcc/testsuite/gfortran.dg/pr77498.f
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-pre.c