[Bug target/70355] [5/6 Regression] ICE: in simplify_subreg_concatn, at lower-subreg.c:617 with -funroll-loops -mavx512f

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70355

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2016-03-22
                 CC|                            |jakub at gcc dot gnu.org
   Target Milestone|---                         |5.4
            Summary|ICE: in                     |[5/6 Regression] ICE: in
                   |simplify_subreg_concatn, at |simplify_subreg_concatn, at
                   |lower-subreg.c:617 with     |lower-subreg.c:617 with
                   |-funroll-loops -mavx512f    |-funroll-loops -mavx512f
     Ever confirmed|0                           |1

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Tried to bisect it, but ended up with r212638, which looks just weird.
Anyway, 4.9 doesn't ICE.