Ромбовидное наследование. Деструкторы.

#include "stdafx.h"
#include <iostream>
#include <string>
using namespace std;
 
class chipset
{
    short *USB_number;//[0] - usb2 / [1] - usb3
    
public:
    chipset(short usb2, short usb3)
    {
        USB_number = new short[2];
        USB_number[0] = usb2;
        USB_number[1] = usb3;
    }
    
    chipset(chipset &chip)
    {
        USB_number = new short[2];
        USB_number[0] = chip.USB_number[0];
        USB_number[1] = chip.USB_number[1];
    }
 
    chipset()
    {
        USB_number = new short[2];
        USB_number[0] = 4;
        USB_number[1] = 0;
    }
 
    void operator = (chipset &chip)
    {
        USB_number[0] = chip.USB_number[0];
        USB_number[1] = chip.USB_number[1];
    }
 
    void print()
    {
        cout<<"USB2 \t-\t"<<USB_number[0]<<" шт."<<endl;
        cout<<"USB3 \t-\t"<<USB_number[1]<<" шт."<<endl;
    }
 
    ~chipset()
    {
        delete [] USB_number;
    }
};
 
class chipsetP : virtual public chipset
{
    short* Multi;
    bool SLI_CF_enable;
 
protected:
 
    void _print()
    {
        cout<<"ядро1 Множитель \t-\tx"<<Multi[0]<<endl;
        cout<<"ядро2 Множитель \t-\tx"<<Multi[1]<<endl;
        if (SLI_CF_enable)
            cout<<"SLI/CrossFire \t-\t включён"<<endl;
        else
            cout<<"SLI/CrossFire \t-\t выключен"<<endl;
    }
 
public:
    chipsetP(short usb2, short usb3, short core1, short core2, bool SC):chipset(usb2, usb3)
    {
        Multi = new short[2];
        Multi[0] = core1;
        Multi[1] = core2;
        SLI_CF_enable = SC;
    }
 
    chipsetP(chipsetP & cp):chipset(cp) //вопрос
    {
        Multi = new short[2];
        Multi[0] = cp.Multi[0];
        Multi[1] = cp.Multi[1];
        SLI_CF_enable = cp.SLI_CF_enable;
    }
 
    chipsetP():chipset()
    {
        Multi = new short[2];
        Multi[0] = 30;
        Multi[1] = 30;
    }
 
    void print()
    {
        chipset::print();
        _print();
    }
 
    ~chipsetP()
    {
        delete [] Multi;
        chipset::~chipset();
    }
};
int _tmain(int argc, _TCHAR* argv[])
{
    setlocale(0,"Rus");
    chipsetP* P55 = new chipsetP;
    //chipsetP P55(4, 0, 32, 30, true);
    P55->print();
 
    delete P55;
    return 0;
}