1  /* PR c/51628.  */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O" } */
       4  
       5  struct A {
       6    int i;
       7  } __attribute__ ((packed));
       8  
       9  struct A p = {1};
      10  int *addr;
      11  
      12  int i, j;
      13  
      14  void
      15  foo1 (void)
      16  {
      17    addr = (i = -1, &p.i);
      18  /* { dg-warning "may result in an unaligned pointer value" "" { target { ! default_packed } } .-1 } */
      19  }
      20  
      21  void
      22  foo2 (void)
      23  {
      24    addr = (i = -1, j = -2, &p.i);
      25  /* { dg-warning "may result in an unaligned pointer value" "" { target { ! default_packed } } .-1 } */
      26  }
      27  
      28  void
      29  foo3 (void)
      30  {
      31    addr = (i = -1, (j = -2, &p.i));
      32  /* { dg-warning "may result in an unaligned pointer value" "" { target { ! default_packed } } .-1 } */
      33  }