[Bug target/71294] [6/7 Regression] ICE in gen_add2_insn, at optabs.c:4442 on powerpc64le-linux

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71294

--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> ---
Started with r230091 which enabled a vectorization, thus the bug looks latent:


Author: rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Date:   Tue Nov 10 09:43:54 2015 +0000

    2015-11-10  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/56118
        * tree-vect-slp.c (vect_bb_vectorization_profitable_p): Make equal
        cost favor vectorized version.

        * gcc.target/i386/pr56118.c: New testcase.