[Bug tree-optimization/58539] [4.7 Regression] ICE with segfault at -O3 with -g enabled on x86_64-linux-gnu

["rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58539

--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Fri May 23 09:46:18 2014
New Revision: 210847

URL: http://gcc.gnu.org/viewcvs?rev=210847&root=gcc&view=rev
Log:
2014-05-23  Richard Biener  <rguenther@suse.de>

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

    PR tree-optimization/58228
    * tree-vect-data-refs.c (vect_analyze_data_ref_access): Do not
    allow invariant loads in nested loop vectorization.

    * gcc.dg/torture/pr58228.c: New testcase.

    2013-09-26  Richard Biener  <rguenther@suse.de>

    PR tree-optimization/58539
    * tree-vect-loop.c (vect_create_epilog_for_reduction): Honor
    the fact that debug statements are not taking part in loop-closed
    SSA construction.

    * gcc.dg/torture/pr58539.c: New testcase.

Added:
    branches/gcc-4_7-branch/gcc/testsuite/gcc.dg/torture/pr58228.c
    branches/gcc-4_7-branch/gcc/testsuite/gcc.dg/torture/pr58539.c
Modified:
    branches/gcc-4_7-branch/gcc/ChangeLog
    branches/gcc-4_7-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_7-branch/gcc/tree-vect-data-refs.c
    branches/gcc-4_7-branch/gcc/tree-vect-loop.c