1  /* PR c/26004 */
       2  /* Bug: the return slot optimization was taking the address of s_3,
       3     causing an error. */
       4  
       5  struct s_3 { short s[3]; } z_3, s_3;
       6  struct s_3 add_struct_3 (struct s_3 s){}
       7  wack_struct_3 (void)
       8  {
       9    int i; register struct s_3 u = z_3;
      10    u = add_struct_3 (u);
      11  }