1  /* PR rtl-optimization/55833 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O3" } */
       4  
       5  int a, b, c;
       6  int bar (void);
       7  
       8  void foo()
       9  {
      10      unsigned d, l, *p, k = 1;
      11  
      12      if(bar())
      13      {
      14  label:
      15        	if((a = a <= 0))
      16          {
      17              if(c)
      18                  d = b;
      19  
      20              if (b || d ? l : k ? : 0)
      21                  a = d = 0;
      22  
      23              goto label;
      24         	}
      25      }
      26  
      27      while(*p++)
      28          goto label;
      29  }