Function track_copy_assigned

tests/constructor_stats.h:227–231

}
template <class T, typename... Values>
void track_copy_assigned(T *, Values &&...values) {
    auto &cst = ConstructorStats::get<T>();
    cst.copy_assignments++;
    cst.value(std::forward<Values>(values)...);
}
template <class T, typename... Values>
void track_move_assigned(T *, Values &&...values) {
    auto &cst = ConstructorStats::get<T>();