[Bug tree-optimization/71818] [7 Regression] ICE in as_a, at is-a.h:192 w/ -O2 -ftree-vectorize

[alahay01 at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71818

--- Comment #1 from alahay01 at gcc dot gnu.org ---
Author: alahay01
Date: Mon Aug  1 14:33:23 2016
New Revision: 238955

URL: https://gcc.gnu.org/viewcvs?rev=238955&root=gcc&view=rev
Log:
2016-08-01  Alan Hayward  <alan.hayward@arm.com>

gcc/
        PR tree-optimization/71818
        * tree-vect-loop-manip.c (vect_can_advance_ivs_p): Don't advance IVs
        with non invariant evolutions

testsuite/
        PR tree-optimization/71818
        * gcc.dg/vect/pr71818.c: New


Added:
    trunk/gcc/testsuite/gcc.dg/vect/pr71818.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-loop-manip.c