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 *
foo1(void)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 *
foo2(void)19 foo2 (void)
20 {
21 return (long *) bar ();
22 /* { dg-warning "may result in an unaligned pointer value" "" { target { ! default_packed } } .-1 } */
23 }
24