1// { dg-do run  }
2struct A { virtual void f() { } };
3struct B { virtual void g() { } };
4struct C : public A, public B { };
5
6int main ()
7{
8  C* cp = 0;
9  B* bp = 0;
10
11  if (dynamic_cast <B*> (cp) != 0)
12    return 1;
13
14  if (dynamic_cast <void *> (bp) != 0)
15    return 1;
16
17  if (dynamic_cast <C*> (bp) != 0)
18    return 1;
19}
20