Hi, I'm using g++ version 3.4.2 and the following program behaves
strangly:
class A {
public:
A(bool b) : b_(b) {}
A(const A& a) { b_ = !a.b_; }
bool get() const { return b_; }
private:
bool b_;
};
#include <iostream>
using namespace std;
int main() {
A x = A(A(true));
cout << x.get() << endl;
}
It outputs 1 rather than 0, specifically the copy constructor is not
called. Changing
A x = A(A(true));
to
A y = A(true);
A z = A(y);
cout << z.get() << endl;
outputs 0.
WHY???
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