[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
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
           Assignee|unassigned at gcc dot gnu.org      |jakub at gcc dot gnu.org

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 31525
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=31525&action=edit
gcc49-pr59591.patch

Untested fix.  Still need to turn the testcase into runtime testcase and look
at the other gather direction (the patch fixes the modifier = NARROW case, need
to look at modifier = WIDEN case).