1  /* { dg-options "-O1 -floop-nest-optimize" } */
       2  
       3  int ce[2];
       4  int o5;
       5  int p7;
       6  
       7  int foo (void)
       8  {
       9    int j1;
      10    ce[0] = 0;
      11    for (j1 = 0; j1 < 2; ++j1)
      12      for (o5 = 1; o5 >= 0; --o5)
      13        p7 += ce[o5];
      14    return 0;
      15  }
      16  
      17  int du;
      18  
      19  int bar (void)
      20  {
      21    int u7[2];
      22    int ar;
      23  
      24    for (ar = 0; ar < 2; ++ar) {
      25      int xo;
      26  
      27      for (xo = 0; xo < 2; ++xo) {
      28        du += u7[ar];
      29        u7[0] = 0;
      30      }
      31    }
      32  
      33    return 0;
      34  }