51 struct CopyAssign {  struct
60   CopyAssign(int v) : value(v) { ++alive; }  in CopyAssign()  function
61   CopyAssign(const CopyAssign &o) : value(o.value) {  in CopyAssign()  function
65   CopyAssign(CopyAssign &&o) noexcept : value(o.value) {  in CopyAssign()  function
70   CopyAssign &operator=(const CopyAssign &o) {  in operator =()  argument
75   CopyAssign &operator=(CopyAssign &&o) noexcept {  in operator =()  argument
81   ~CopyAssign() { --alive; }  in ~CopyAssign()  argument
85 int CopyAssign::alive = 0;  argument
86 int CopyAssign::copy_construct = 0;
87 int CopyAssign::copy_assign = 0;
88 int CopyAssign::move_construct = 0;
89 int CopyAssign::move_assign = 0;
349     using V = std::variant<int, CopyAssign, unsigned>;  in test_copy_assignment_same_index()
350     V v1(std::in_place_type<CopyAssign>, 43);  in test_copy_assignment_same_index()
351     V v2(std::in_place_type<CopyAssign>, 42);  in test_copy_assignment_same_index()
352     CopyAssign::reset();  in test_copy_assignment_same_index()
357     assert(CopyAssign::copy_construct == 0);  in test_copy_assignment_same_index()
358     assert(CopyAssign::move_construct == 0);  in test_copy_assignment_same_index()
359     assert(CopyAssign::copy_assign == 1);  in test_copy_assignment_same_index()
450     using V = std::variant<int, CopyAssign, unsigned>;  in test_copy_assignment_different_index()
451     CopyAssign::reset();  in test_copy_assignment_different_index()
453     V v2(std::in_place_type<CopyAssign>, 42);  in test_copy_assignment_different_index()
454     assert(CopyAssign::copy_construct == 0);  in test_copy_assignment_different_index()
455     assert(CopyAssign::move_construct == 0);  in test_copy_assignment_different_index()
456     assert(CopyAssign::alive == 1);  in test_copy_assignment_different_index()
461     assert(CopyAssign::alive == 2);  in test_copy_assignment_different_index()
462     assert(CopyAssign::copy_construct == 1);  in test_copy_assignment_different_index()
463     assert(CopyAssign::move_construct == 1);  in test_copy_assignment_different_index()
464     assert(CopyAssign::copy_assign == 0);  in test_copy_assignment_different_index()