double u[1782225];
int foo(int N, int *res)
{
  int i, j;
  double sum = 0.0;

  for (i = 0; i < N; i++)
    for (j = 0; j < N; j++)
      sum = sum + u[i + 1335 * j];

  for (i = 0; i < N; i++)
    for (j = 0; j < N; j++)
      sum = sum + u[i + 1335 * j];

  *res = sum + N;
}

/* { dg-final { scan-tree-dump-times "will be interchanged" 2 "graphite" } } */
/* { dg-final { cleanup-tree-dump "graphite" } } */