1  /* PR c++/60689 */
       2  /* { dg-do compile } */
       3  
       4  struct S { char x[9]; };
       5  
       6  void
       7  foo (struct S *x, struct S *y, struct S *z)
       8  {
       9    __atomic_exchange (x, y, z, __ATOMIC_SEQ_CST);
      10  }