[Bug tree-optimization/58010] [4.8 Regression] ICE in vect_create_epilog_for_reduction, at tree-vect-loop.c:4378

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58010

--- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Sep  3 12:14:58 2013
New Revision: 202215

URL: http://gcc.gnu.org/viewcvs?rev=202215&root=gcc&view=rev
Log:
2013-09-03  Richard Biener  <rguenther@suse.de>

    Backport from mainline
    2013-08-30  Richard Biener  <rguenther@suse.de>

    PR tree-optimization/58010
    * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
    assert that we have a loop-closed PHI.

    * gcc.dg/pr58010.c: New testcase.

Added:
    branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/pr58010.c
Modified:
    branches/gcc-4_8-branch/gcc/ChangeLog
    branches/gcc-4_8-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_8-branch/gcc/tree-vect-loop.c