1  /* { dg-do compile } */
       2  /* { dg-additional-options "-fno-tree-ccp -fno-tree-forwprop" } */
       3  
       4  void
       5  iw (int gu, int mq, int r2)
       6  {
       7    int yn = 0;
       8  
       9    while (gu < 1)
      10      {
      11        for (;;)
      12          ;
      13  
      14   bb:;
      15        int ay = 0;
      16  
      17        while (ay < 1)
      18          ++mq;
      19      }
      20  
      21    if (yn != 0)
      22      goto up;
      23  
      24    if (0)
      25      {
      26   up:
      27        if (r2 == 0)
      28          goto bb;
      29      }
      30  
      31    goto up;
      32  }