[Bug tree-optimization/83940] [8 Regression] ICE in vect_get_vec_def_for_stmt_copy, at tree-vect-stmts.c:1531

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83940

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2018-01-19
                 CC|                            |jakub at gcc dot gnu.org
   Target Milestone|---                         |8.0
     Ever confirmed|0                           |1

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
/* PR tree-optimization/83940 */
/* { dg-do compile } */
/* { dg-options "-Ofast -mavx512f" } */

void
foo (double *a[], int b)
{
  for (; b; b++)
    a[b][b] = 1.0;
}

is enough.