1  /* PR c/96545 */
       2  /* { dg-do compile } */
       3  
       4  extern char x[], y[], z[];
       5  struct S;
       6  extern struct S s, t, u;
       7  int v, w;
       8  
       9  void
      10  foo (void)
      11  {
      12    __atomic_exchange (&x, &y, &z, 0);	/* { dg-error "must be a pointer to a complete type" } */
      13  }
      14  
      15  void
      16  bar (void)
      17  {
      18    __atomic_exchange (&s, &t, &u, 0);	/* { dg-error "must be a pointer to a complete type" } */
      19  }
      20  
      21  void
      22  baz (void)
      23  {
      24    __atomic_exchange (&v, &t, &w, 0);	/* { dg-error "size mismatch in argument 2 of" } */
      25  }
      26  
      27  void
      28  qux (void)
      29  {
      30    __atomic_exchange (&v, &w, &t, 0);	/* { dg-error "size mismatch in argument 3 of" } */
      31  }