blob: d6a53e6f80a283398867f69e3ab5834373bbd732 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
|
// 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.
// So we'll just warn.
// { 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*); // { dg-warning "offsetof|invalid" "" }
}
|
