multipleDiamondInheritance

#include <iostream>

class Super
{
public:
    Super() { std::cout << "Super constructed!\n"; };
    ~Super() { std::cout << "Super destructed!\n"; };
};

class BaseA : virtual public Super
{
protected:
    int fieldA;
    BaseA(int f = 42) : fieldA{ f } { std::cout << "BaseA constructed\n"; };
public:
    ~BaseA() { std::cout << "BaseA destructed\n"; };
};

class BaseB : virtual public Super
{
protected:
    int fieldB;
    BaseB(int f = 33) : fieldB{ f } { std::cout << "BaseB constructed\n"; };
public:
    ~BaseB() { std::cout << "BaseB destructed\n"; };
};

class ChildAB : public BaseA, public BaseB
{
    int fieldC;
public:
    ChildAB(int f = 16) : Super{}, fieldC { f } { std::cout << "ChildAB constructed\n"; }
    ~ChildAB() { std::cout << "ChildAB destructed\n"; };
    void print() { std::cout << fieldA << ' ' << fieldB << ' ' << fieldC << '\n'; };
};

int main()
{
    ChildAB t;
    t.print();
}