r253998 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Mon Oct 23 09:20:14 2017
New Revision: 253998

URL: https://gcc.gnu.org/viewcvs?rev=253998&root=gcc&view=rev
Log:
2017-10-23  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/82129
	* tree-ssa-pre.c (bitmap_set_and): Remove.
	(compute_antic_aux): Compute ANTIC_OUT intersection in a way
	canonicalizing expressions in the set to those with lowest
	ID rather than taking that from the first edge.

	* gcc.dg/torture/pr82129.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr82129.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-pre.c