#include <iostream>
#include <iterator>
#include <algorithm>
 
struct X
{
    X() { std::cout << "X construct @" << (const void*)this << '\n'; }
    ~X() { std::cout << "X destruct @" << (const void*)this << '\n'; }
};
 
std::ostream& operator<<(std::ostream& s, const X&)
{
    return s << "X\n";
}
 
int main()
{
    std::initializer_list<X> b;
 
    {
        std::initializer_list<X> a{X()};
        b = a;
        std::copy( a.begin(), a.end(), std::ostream_iterator<X>(std::cout, "") );
    }
 
    std::copy( b.begin(), b.end(), std::ostream_iterator<X>(std::cout << '\n', "") );
}

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