test code

#pragma pack(push, 8)

class B {
public:
  virtual void b(){}
  int one;
  char two;
protected:
private:
};

class A : public B {
public:
  int a1_field;
  virtual void a(){}
  char ty;
protected:
private:
};

class D {
public:
  virtual void b(){}
  double d_field;
};

class C : public virtual A,
  public  D, public  B {
public:
  double c1_field;
  double c3_field;
  int c4_field;
protected:
private:
};