1  /* { dg-do compile } */
       2  
       3  struct dm_tree_link {
       4      int list;
       5      int node;
       6  };
       7  void fn1(void *p)
       8  {
       9    0 ? ((struct dm_tree_link *)((char *)p - (char *)&((struct dm_tree_link *)0)->list))->node : 0;
      10  }