r217288 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Mon Nov 10 14:31:31 2014
New Revision: 217288

URL: https://gcc.gnu.org/viewcvs?rev=217288&root=gcc&view=rev
Log:
2014-11-10  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/63800
	* tree-ssa-pre.c (eliminate_push_avail): Push in a way so
	we can restore the previous availability in after_dom_children.
	(eliminate_dom_walker::after_dom_children): Restore
	previous availability.

	* gcc.dg/torture/pr63800.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr63800.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-pre.c