1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fno-ipa-bit-cp -fdump-tree-optimized" } */
       3  
       4  struct b {int b;};
       5  struct a {int a; struct b b;};
       6  
       7  void remove_any_mention (void);
       8  
       9  __attribute__ ((noinline))
      10  static void test2 (struct b *b)
      11  {
      12    if (b)
      13      remove_any_mention ();
      14  }
      15  
      16  __attribute__ ((noinline))
      17  static void
      18  test (struct a *a)
      19  {
      20    test2(a? &a->b : 0);
      21  }
      22  
      23  int
      24  foo()
      25  {
      26    test(0);
      27    return 0;
      28  }
      29  
      30  /* { dg-final { scan-tree-dump-not "remove_any_mention" "optimized" } } */