#include <algorithm>
#include <iostream>
// Based on Richard Smith trick for constexpr lambda
// via Paul Fultz II (http://p...content-available-to-author-only...2.com/blog/2014/09/02/static-lambda/)
template<typename T> 
auto addr(T &&t) 
{ 
    return &t; 
}
 
 
static const constexpr auto odr_helper = true ? nullptr : addr([](){});
 
template <class T = decltype(odr_helper)>
inline void g() {
    int arr[2] = {};
    std::for_each(arr, arr+2, [] (int i) {std::cout << i << ' ';});
}
 
int main()
{
 
    g();
}

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