[Bug middle-end/57453] [4.9 Regression] ICE: in operator[], at vec.h:815 with gcc -O3 -fno-strict-aliasing

[burnus at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57453

Tobias Burnus <burnus at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |rguenth at gcc dot gnu.org
      Known to work|                            |4.8.0
   Target Milestone|---                         |4.9.0
      Known to fail|                            |4.9.0

--- Comment #1 from Tobias Burnus <burnus at gcc dot gnu.org> ---
Seems to be caused by:

http://gcc.gnu.org/r199402

    2013-05-29  Richard Biener  <rguent...@suse.de>

        * tree-vect-slp.c (vect_bb_slp_scalar_cost): New function
        computing scalar cost offsetted by stmts that are kept live
        by scalar uses.
        (vect_bb_vectorization_profitable_p): Use vect_bb_slp_scalar_cost
        for computation of scalar cost.