r265739 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Fri Nov  2 07:53:48 2018
New Revision: 265739

URL: https://gcc.gnu.org/viewcvs?rev=265739&root=gcc&view=rev
Log:
2018-11-02  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/87776
	* tree-ssa-sccvn.c (do_rpo_vn): Do not mark backedges
	executable when iterating but running into rpo-vn-max-loop-depth
	and not eliding the iteration.

	* gcc.dg/torture/pr87776.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr87776.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-sccvn.c