47 struct MakeEmptyT {  struct
48   MakeEmptyT() = default;
49   MakeEmptyT(MakeEmptyT &&) { throw 42; }  in MakeEmptyT()  function
50   MakeEmptyT &operator=(MakeEmptyT &&) { throw 42; }  in operator =()  argument
52 inline bool operator==(const MakeEmptyT &, const MakeEmptyT &) {  in operator ==()  argument
56 inline bool operator!=(const MakeEmptyT &, const MakeEmptyT &) {  in operator !=()  argument
60 inline bool operator<(const MakeEmptyT &, const MakeEmptyT &) {  in operator <()  argument
64 inline bool operator<=(const MakeEmptyT &, const MakeEmptyT &) {  in operator <=()  argument
68 inline bool operator>(const MakeEmptyT &, const MakeEmptyT &) {  in operator >()  argument
72 inline bool operator>=(const MakeEmptyT &, const MakeEmptyT &) {  in operator >=()  argument
78   Variant v2(std::in_place_type<MakeEmptyT>);  in makeEmpty()
163     using V = std::variant<int, MakeEmptyT>;  in test_equality()
173     using V = std::variant<int, MakeEmptyT>;  in test_equality()
183     using V = std::variant<int, MakeEmptyT>;  in test_equality()
249     using V = std::variant<int, MakeEmptyT>;  in test_relational()
256     using V = std::variant<int, MakeEmptyT>;  in test_relational()
263     using V = std::variant<int, MakeEmptyT>;  in test_relational()