1  /* PR middle-end/46388 */
       2  
       3  struct S;
       4  struct T
       5  {
       6    struct S *t;
       7  };
       8  extern struct S s, u;
       9  
      10  void
      11  foo (void)
      12  {
      13    ((struct T *) &u)->t = &s;
      14  }