Yes it is always remain the same. The problem is: sometimes C++ need it to be different. For example, in multiple inheritance: 
class Base1 {};
class Base2 {};
class Derived: public Base1, Base2 {};

...
Derived* obj = new Derived();
Base2* base_pointer = static_cast<Base2*> obj;

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In reply to Re^2: Perlxs and C++ inheritance by llancet
in thread Perlxs and C++ inheritance by llancet

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