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Question #327 Difficulty: 2

According to the C++23 standard, what is the output of this program? 

    #include <iostream>
#include <memory>

struct S {
    S(int i) : i_(i){}
    S* operator&() const;
    int i_;
};

S global{1};
S* S::operator&() const { return &global; }

int main() {
    S s(2);
    S* ptr = std::addressof(s);
    std::cout << ptr->i_;
}

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