| // Test that we can refer to the address of a base member of a null pointer | |
| // to get its offset. The standard says that offsetof shall not be used on | |
| // non-POD classes, but there seems to be no such restriction on the common | |
| // implementation thereof. | |
| // Yes, this is bad, naughty, evil code. But it seems to be well-formed. | |
| // { dg-do run } | |
| struct A { int i; }; | |
| struct B: public A { | |
| virtual void f (); | |
| }; | |
| struct C: public B { }; | |
| int main () | |
| { | |
| return ((__SIZE_TYPE__) &((C*)0)->i) != sizeof(void*); | |
| } |