1  /* { dg-do compile } */
       2  /* { dg-options "-O2" } */
       3  
       4  struct pgm_slist_t
       5  {
       6    struct pgm_slist_t *__restrict next;
       7  };
       8  
       9  void
      10  fn1 (struct pgm_slist_t p1)
      11  {
      12  
      13  }