1  /* PR c/51628.  */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O" } */
       4  
       5  struct __attribute__ ((packed)) A { int i; };
       6  struct B {
       7    struct A a;
       8  } b;
       9  
      10  int *p = (int*)&b.a.i;
      11  /* { dg-warning "may result in an unaligned pointer value" "" { target { ! default_packed } } .-1 } */
      12  int *q = (int*)&b.a;
      13  /* { dg-warning "may result in an unaligned pointer value" "" { target { ! default_packed } } .-1 } */