// { dg-do run } #include class A { public: virtual void print(); virtual A * clone(); }; struct Pad { virtual void f () {} }; class B : public Pad, virtual public A { public: void print(); B * clone(); }; void A::print() { printf("A\n"); } void B::print() { printf("B\n"); } A * A::clone() { return this; } B * B::clone() { return this; } int main() { A * a = new B; B * b = dynamic_cast(a); printf("%p\n",b); // (*2*) b->print(); a = b; printf("%p\n",a); a->print(); a = a->clone(); printf("%p\n",a); a->print(); // (*1*) return 0; }