1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -floop-nest-optimize" } */
       3  
       4  int y8;
       5  
       6  void
       7  dm (int io)
       8  {
       9    if (y8 != 0)
      10      {
      11        int pu = 1;
      12  
      13        while (io < 2)
      14  	{
      15  	  int xo = (pu != 0) ? y8 : 0;
      16  
      17  	  while (y8 != 0)
      18  	    if (xo != 0)
      19  	      {
      20  gi:
      21  		xo = (__INTPTR_TYPE__)&io;
      22  		pu = 0;
      23  	      }
      24  	}
      25      }
      26  
      27    if (io != 0)
      28      {
      29        y8 = 1;
      30        while (y8 != 0)
      31  	if (io / !y8 != 0)
      32  	  y8 = 0;
      33  
      34        goto gi;
      35      }
      36  }