| 1 | //===----------------------------------------------------------------------===// |
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | // UNSUPPORTED: c++03 |
| 10 | |
| 11 | // <tuple> |
| 12 | |
| 13 | // template <class... Types> class tuple; |
| 14 | |
| 15 | // explicit(see-below) constexpr tuple(); |
| 16 | |
| 17 | #include <tuple> |
| 18 | |
| 19 | |
| 20 | struct Implicit { |
| 21 | Implicit() = default; |
| 22 | }; |
| 23 | |
| 24 | struct Explicit { |
| 25 | explicit Explicit() = default; |
| 26 | }; |
| 27 | |
| 28 | std::tuple<> test1() { return {}; } |
| 29 | |
| 30 | std::tuple<Implicit> test2() { return {}; } |
| 31 | std::tuple<Explicit> test3() { return {}; } // expected-error 1 {{chosen constructor is explicit in copy-initialization}} |
| 32 | |
| 33 | std::tuple<Implicit, Implicit> test4() { return {}; } |
| 34 | std::tuple<Explicit, Implicit> test5() { return {}; } // expected-error 1 {{chosen constructor is explicit in copy-initialization}} |
| 35 | std::tuple<Implicit, Explicit> test6() { return {}; } // expected-error 1 {{chosen constructor is explicit in copy-initialization}} |
| 36 | std::tuple<Explicit, Explicit> test7() { return {}; } // expected-error 1 {{chosen constructor is explicit in copy-initialization}} |
| 37 | |
| 38 | std::tuple<Implicit, Implicit, Implicit> test8() { return {}; } |
| 39 | std::tuple<Implicit, Implicit, Explicit> test9() { return {}; } // expected-error 1 {{chosen constructor is explicit in copy-initialization}} |
| 40 | std::tuple<Implicit, Explicit, Implicit> test10() { return {}; } // expected-error 1 {{chosen constructor is explicit in copy-initialization}} |
| 41 | std::tuple<Implicit, Explicit, Explicit> test11() { return {}; } // expected-error 1 {{chosen constructor is explicit in copy-initialization}} |
| 42 | std::tuple<Explicit, Implicit, Implicit> test12() { return {}; } // expected-error 1 {{chosen constructor is explicit in copy-initialization}} |
| 43 | std::tuple<Explicit, Implicit, Explicit> test13() { return {}; } // expected-error 1 {{chosen constructor is explicit in copy-initialization}} |
| 44 | std::tuple<Explicit, Explicit, Implicit> test14() { return {}; } // expected-error 1 {{chosen constructor is explicit in copy-initialization}} |
| 45 | std::tuple<Explicit, Explicit, Explicit> test15() { return {}; } // expected-error 1 {{chosen constructor is explicit in copy-initialization}} |
| 46 | |