1  /* { dg-do compile }  */
       2  /* { dg-options "-O2 -fdump-tree-optimized" }  */
       3  
       4  
       5  void *arf ();
       6  int
       7  foo()
       8  {
       9    void *p = arf ();
      10  
      11    if ((void (*)(void))p != 0)
      12      return 1;
      13    else
      14      return 2;
      15  }
      16  
      17  /* The cast to a function pointer type must remain after all optimizations
      18     are complete so that function pointer canonicalization works on those
      19     targets which require it.  */
      20  /* { dg-final { scan-tree-dump-times "= \\(void \\(\\*<.*>\\) \\(void\\)\\) p_" 1 "optimized" } } */
      21  
      22