noexcept_move.cpp

#include <iostream>
#include <utility>

struct X {
  X() {}
  X(const X&) = delete;
  X(X&&) /*noexcept(false)*/ {}
};

struct Y {
  Y() {}
  Y(const Y&) = delete;
  Y(Y&&) noexcept(true) {}
//  Y(Y&&) = default;
};

int main()
{
  X x; Y y;
  std::cout << noexcept(X{std::move(x)});
  std::cout << noexcept(Y{std::move(y)});
}