orginal.cpp

class my_class
{
public:
  virtual ~my_class()
  {
    std::cout << __PRETTY_FUNCTION__ << "() called" << std::endl;
  }

  void setter(int a)
  {
    _some_member = a;
  }

  int getter() const
  {
    return _some_member;
  }

  virtual int virtual_getter() const
  {
    return 42;
  }

private:
  int _some_member = 42;
};