1  /* { dg-do compile } */
       2  
       3  int x[1024], y[1024], z[1024], w[1024];
       4  void foo (void)
       5  {
       6    int i;
       7    for (i = 1; i < 1024; ++i)
       8      {
       9        int a = x[i];
      10        int b = y[i];
      11        int c = x[i-1];
      12        int d = y[i-1];
      13        if (w[i])
      14  	z[i] = (a + b) + (c + d);
      15      }
      16  }