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Compiler Error C2635

cannot convert an 'identifier1*' to an 'identifier2*'; conversion from a virtual base class is implied

The conversion requires a cast from a virtual base class to a derived class, which is not allowed.

The following sample generates C2635:

// C2635.cpp
class B {};
class D : virtual public B {};
class E : public B {};

int main() {
   B b;
   D d;
   E e;

   D * pD = &d;
   E * pE = &e;
   pD = (D*)&b;   // C2635
   pE = (E*)&b;   // OK
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