304     Optional<DeletedCopy> first(in_place, 42);  in TEST()
314     Optional<DeletedMove> first(in_place, 42);  in TEST()
324     Optional<NonTriviallyDestructibleDeletedCopyConstructor> first(in_place,  in TEST()
423     Optional<Test1> first(in_place, 42);  in TEST()
432     constexpr Optional<float> a(base::in_place, 0.1f);  in TEST()
438     Optional<float> a(base::in_place, 0.1f);  in TEST()
444     Optional<std::string> a(base::in_place, "foo");  in TEST()
450     Optional<TestObject> a(base::in_place, 0, 0.1);  in TEST()
458     Optional<std::vector<int>> opt(in_place, {3, 1});  in TEST()
465     Optional<std::vector<int>> opt(in_place, {3, 1}, std::allocator<int>());  in TEST()
520       const Optional<int> arg(in_place, 1);  in TEST()
527       Optional<Test> testee(Optional<int>(in_place, 1));  in TEST()
533       Optional<Test> testee(in_place);  in TEST()
638     Optional<DeletedMove> a(in_place, 42);  in TEST()
648     Optional<DeletedMove> a(in_place, 42);  in TEST()
649     Optional<DeletedMove> b(in_place, 1);  in TEST()
659     Optional<int> a(in_place, 1);  in TEST()
670     Optional<int> a(in_place, 42);  in TEST()
671     Optional<double> b(in_place, 1);  in TEST()
682     Optional<double> b(in_place, 1);  in TEST()
737     Optional<DeletedMove> a(in_place, 42);  in TEST()
747     Optional<DeletedMove> a(in_place, 42);  in TEST()
748     Optional<DeletedMove> b(in_place, 1);  in TEST()
758     Optional<int> a(in_place, 1);  in TEST()
768     Optional<int> a(in_place, 42);  in TEST()
769     Optional<double> b(in_place, 1);  in TEST()
779     Optional<double> b(in_place, 1);  in TEST()
853     Optional<Test1> a(in_place);  in TEST()
864     Optional<Test1> a(in_place);  in TEST()
865     Optional<Test2> b(in_place);  in TEST()
875     Optional<Test1> a(in_place);  in TEST()
886     Optional<Test1> a(in_place);  in TEST()
887     Optional<Test2> b(in_place);  in TEST()
953     Optional<Test1> a(in_place);  in TEST()
964     Optional<Test1> a(in_place);  in TEST()
965     Optional<Test3> b(in_place);  in TEST()
975     Optional<Test1> a(in_place);  in TEST()
986     Optional<Test1> a(in_place);  in TEST()
987     Optional<Test3> b(in_place);  in TEST()
1046     constexpr Optional<int> a(in_place, 1);  in TEST()