32 lines
502 B
C
32 lines
502 B
C
// { dg-do run }
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#include <iostream>
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class A1 {
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friend class B;
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public:
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virtual void foo() {}
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};
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class A2 : public virtual A1 {friend class B;};
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class A3 : public virtual A1, private A2 {friend class B;};
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class B
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{
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public:
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B(A1* a) : itsA(dynamic_cast<A2*>(a)) {}
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A2* itsA;
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};
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int main()
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{
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A1* a=new A3;
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B b(a);
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if (b.itsA)
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std::cout << "cast ok" << std::endl;
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else
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std::cout << "cast failed" << std::endl;
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return 0;
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}
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