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// PR c++/44969
template<bool, typename T = void> struct enable_if { typedef T type; };
template<typename T> struct enable_if<false, T> { };
template<typename Tp, typename Arg1, typename Arg2>
class mini_is_constructible
{
typedef char one;
typedef struct { char arr[2]; } two;
template<typename Tp1, typename Arg1_, typename Arg2_>
static typename
enable_if<(sizeof(Tp1(Arg1_(), Arg2_()), 1) > 0), one>::type
test(int);
template<typename, typename, typename>
static two test(...);
public:
static const bool value = sizeof(test<Tp, Arg1, Arg2>(0)) == 1;
};
class A { };
int Test[mini_is_constructible<int, A, A>::value ? -1 : 1];
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