1 2 class Base 3 { 4 public: 5 int x, y; 6 7 Base() : x(0), y(1) 8 { 9 } 10 11 virtual ~Base() 12 { 13 // Break here. 14 } 15 }; 16 17 class Derived : public Base 18 { 19 public: 20 int z; 21 22 Derived() : Base(), z(23) 23 { 24 } 25 26 ~Derived() 27 { 28 } 29 }; 30 31 int main() 32 { 33 Derived d; 34 35 return 0; 36 } 37