[Bug tree-optimization/71823] [6/7 Regression] g++ segfaults with -mfma and -ftree-slp-vectorize

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71823

--- Comment #8 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Mon Jul 11 20:37:18 2016
New Revision: 238229

URL: https://gcc.gnu.org/viewcvs?rev=238229&root=gcc&view=rev
Log:
        PR tree-optimization/71823
        * tree-vect-stmts.c (vectorizable_operation): Use vect_get_vec_defs
        to get vec_oprnds2 from op2.

        * gcc.dg/vect/pr71823.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/vect/pr71823.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-stmts.c