1  /* PR c/51628.  */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O" } */
       4  
       5  struct B { int i; };
       6  struct C { struct B b; } __attribute__ ((packed));
       7  
       8  extern struct C *p;
       9  extern struct C *bar (void);
      10  
      11  long *
      12  foo1 (void)
      13  {
      14    return (long *) p;
      15  /* { dg-warning "may result in an unaligned pointer value" "" { target { ! default_packed } } .-1 } */
      16  }
      17  
      18  long *
      19  foo2 (void)
      20  {
      21    return (long *) bar ();
      22  /* { dg-warning "may result in an unaligned pointer value" "" { target { ! default_packed } } .-1 } */
      23  }