[Bug tree-optimization/57488] [4.9 regression] loop terminates early at -O3

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57488

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon Jun 24 10:22:22 2013
New Revision: 200363

URL: http://gcc.gnu.org/viewcvs?rev=200363&root=gcc&view=rev
Log:
2013-06-24  Richard Biener  <rguenther@suse.de>

    PR tree-optimization/57488
    * tree-ssa-pre.c (insert): Clear NEW sets before each iteration.

    * gcc.dg/torture/pr57488.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr57488.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-pre.c