1  /* { dg-do run } */
       2  
       3  void abort (void);
       4  
       5  struct S0
       6  {
       7    int f0;
       8  };
       9  struct S1
      10  {
      11    struct S0 f0;
      12  };
      13  
      14  struct S1 x = { {0} };
      15  struct S1 y = { {1} };
      16  
      17  static void
      18  foo (struct S0 p)
      19  {
      20    struct S0 *l = &y.f0;
      21    *l = x.f0;
      22    if (p.f0)
      23      *l = *l;
      24  }
      25  
      26  int
      27  main ()
      28  {
      29    foo(y.f0);
      30    if (y.f0.f0 != 0)
      31      abort ();
      32    return 0;
      33  }