45 struct MakeEmptyT {  struct
46   MakeEmptyT() = default;
47   MakeEmptyT(MakeEmptyT &&) { throw 42; }  in MakeEmptyT()  function
48   MakeEmptyT &operator=(MakeEmptyT &&) { throw 42; }  in operator =()  argument
50 inline bool operator==(const MakeEmptyT &, const MakeEmptyT &) {  in operator ==()  argument
54 inline bool operator!=(const MakeEmptyT &, const MakeEmptyT &) {  in operator !=()  argument
58 inline bool operator<(const MakeEmptyT &, const MakeEmptyT &) {  in operator <()  argument
62 inline bool operator<=(const MakeEmptyT &, const MakeEmptyT &) {  in operator <=()  argument
66 inline bool operator>(const MakeEmptyT &, const MakeEmptyT &) {  in operator >()  argument
70 inline bool operator>=(const MakeEmptyT &, const MakeEmptyT &) {  in operator >=()  argument
76   Variant v2(std::in_place_type<MakeEmptyT>);  in makeEmpty()
161     using V = std::variant<int, MakeEmptyT>;  in test_equality()
171     using V = std::variant<int, MakeEmptyT>;  in test_equality()
181     using V = std::variant<int, MakeEmptyT>;  in test_equality()
247     using V = std::variant<int, MakeEmptyT>;  in test_relational()
254     using V = std::variant<int, MakeEmptyT>;  in test_relational()
261     using V = std::variant<int, MakeEmptyT>;  in test_relational()