[Bug tree-optimization/66280] [4.8/4.9/5/6 Regression] ICE: in vect_get_vec_def_for_operand, at tree-vect-stmts.c:1472

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66280

--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon Jun  1 10:37:30 2015
New Revision: 223927

URL: https://gcc.gnu.org/viewcvs?rev=223927&root=gcc&view=rev
Log:
2015-06-01  Richard Biener  <rguent...@suse.de>

        PR tree-optimization/66280
        * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Fix pattern
        def-use walking.

        * g++.dg/torture/pr66280.C: New testcase.
        * g++.dg/torture/pr66280-2.C: Likewise.

Added:
    trunk/gcc/testsuite/g++.dg/torture/pr66280-2.C
    trunk/gcc/testsuite/g++.dg/torture/pr66280.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-slp.c