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  1. #include <iostream>
  2. #include <algorithm>
  3. using namespace std;
  4.  
  5. #define print_func() cout << __PRETTY_FUNCTION__ << endl
  6.  
  7. struct A {
  8. 	A() {print_func();}
  9. 	A(A &) {print_func();}
  10. 	A(A &&) {print_func();}
  11. 	A(const A &) {print_func();}
  12. 	A(const A &&) {print_func();}
  13. 	~A() {print_func();}
  14. };
  15.  
  16. void bad_free(A && a) {
  17. 	cout << "inside bad_free, before move" << endl;
  18.     A && clever = move( a );
  19. 	cout << "inside bad_free, after move" << endl;
  20.     // 'clever' should be the last reference to a?
  21. }
  22.  
  23. int main() {
  24. 	{
  25. 		cout << "test1 start" << endl;
  26. 		bad_free( A() );
  27. 		cout << "test1 end" << endl;
  28. 	}
  29. 	{
  30. 		cout << "test2 start" << endl;
  31. 		A x;
  32. 		cout << "test2 before call" << endl;
  33. 		bad_free( move(x) );
  34. 		cout << "test2 end" << endl;
  35. 	}
  36. 	return 0;
  37. }
Success #stdin #stdout 0s 3412KB
comments (?)
stdin
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Standard input is empty
stdout
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test1 start
A::A()
inside bad_free, before move
inside bad_free, after move
A::~A()
test1 end
test2 start
A::A()
test2 before call
inside bad_free, before move
inside bad_free, after move
test2 end
A::~A()
https://ideone.com/7VMU1t
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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