1  /* { dg-do compile } */
       2  /* { dg-options "-O3 -fno-tree-vectorize" } */
       3  
       4  int in[2 * 4][4];
       5  int out[4];
       6  
       7  void
       8  foo (void)
       9  {
      10    int sum;
      11    int i, j, k;
      12    for (k = 0; k < 4; k++)
      13      {
      14        sum = 1;
      15        for (j = 0; j < 4; j++)
      16  	for (i = 0; i < 4; i++)
      17  	  sum *= in[i + k][j];
      18        out[k] = sum;
      19      }
      20  }