[Bug tree-optimization/59591] [4.9 Regression] ICE in vect_get_vec_def_for_stmt_copy, at tree-vect-stmts.c:156 for -march=core-avx2

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59591

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #31525|0                           |1
        is obsolete|                            |

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 31540
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=31540&action=edit
gcc49-pr59591.patch

Updated patch with runtime testcases.  Unfortunately, I don't have access to
any CPUs with AVX2 right now, so can't test whether it works there properly.