1  /* PR tree-optimization/21610 */
       2  
       3  struct S { char s; };
       4  struct T { struct S t; };
       5  
       6  struct S *const p = &((struct T * const) (0x4000))->t;
       7  
       8  void
       9  foo (void)
      10  {
      11    p->s = 0;
      12  }