re PR tree-optimization/82129 (ICE in compute_antic, at tree-ssa-pre.c:2447)
authorRichard Biener <rguenther@suse.de>
Mon, 23 Oct 2017 09:20:14 +0000 (09:20 +0000)
committerRichard Biener <rguenth@gcc.gnu.org>
Mon, 23 Oct 2017 09:20:14 +0000 (09:20 +0000)
commiteb0e98f885208502b82b75ed7e63a2dce252cb9b
tree3543a5f1ed01b181e0532f445351912b1880802a
parent735d873d7b6d3310a96b548cdc2d61f236937e7f
re PR tree-optimization/82129 (ICE in compute_antic, at tree-ssa-pre.c:2447)

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.

From-SVN: r253998
gcc/ChangeLog
gcc/testsuite/ChangeLog
gcc/testsuite/gcc.dg/torture/pr82129.c [new file with mode: 0644]
gcc/tree-ssa-pre.c