r236158 - in /trunk/gcc: ChangeLog cfganal.c te...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Thu May 12 07:18:58 2016
New Revision: 236158

URL: https://gcc.gnu.org/viewcvs?rev=236158&root=gcc&view=rev
Log:
2016-05-12  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/70986
	* cfganal.c: Include cfgloop.h.
	(dfs_find_deadend): Prefer to take edges exiting loops.

	* gcc.dg/torture/pr70986-1.c: New testcase.
	* gcc.dg/torture/pr70986-2.c: Likewise.
	* gcc.dg/torture/pr70986-3.c: Likewise.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr70986-1.c
    trunk/gcc/testsuite/gcc.dg/torture/pr70986-2.c
    trunk/gcc/testsuite/gcc.dg/torture/pr70986-3.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cfganal.c
    trunk/gcc/testsuite/ChangeLog