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  1. #include <iostream>
  2. #include <string>
  3.  
  4. using std::cout;
  5. using std::endl;
  6.  
  7. #define PFN(x) cout << x << __PRETTY_FUNCTION__ << endl
  8. #define PF     PFN("")
  9. #define NL     cout << endl
  10.  
  11. struct A {
  12.     constexpr A() { PF; }
  13.     virtual ~A() { PF; NL; }
  14. };
  15.  
  16. struct B : A {
  17.     constexpr B() { PFN(" "); }
  18.     virtual ~B() { PFN(" "); }
  19. };
  20.  
  21. int main(int argc, char** argv) {
  22.     { A a; }
  23.     { B b; }
  24.     A* a = new B;
  25.     delete a;
  26.     return 0;
  27. }
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constexpr A::A()
virtual A::~A()

constexpr A::A()
 constexpr B::B()
 virtual B::~B()
virtual A::~A()

constexpr A::A()
 constexpr B::B()
 virtual B::~B()
virtual A::~A()
https://ideone.com/FfLx3d
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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