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struct A { virtual void f() { } };
struct B { virtual void g() { } };
struct C : public A, public B { };
int main ()
{
C* cp = 0;
B* bp = 0;
if (dynamic_cast <B*> (cp) != 0)
return 1;
if (dynamic_cast <void *> (bp) != 0)
return 1;
if (dynamic_cast <C*> (bp) != 0)
return 1;
}
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