1  /* { dg-do compile } */
       2  /* { dg-options "-O -fstrict-overflow -fno-tree-ch -ftree-loop-linear" } */
       3  
       4  extern int y[], x1[], x2[];
       5  void
       6  foo (long n)
       7  {
       8    int i, j;
       9    for (i = 0; i < n; i++)
      10      for (j = 0; j < n; j += 2)
      11        y[i] = x1[i + j] * x2[i + j];
      12  }