| 1 | // |
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| 2 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 3 | // See https://llvm.org/LICENSE.txt for license information. |
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| 4 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 5 | // |
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| 6 | //===----------------------------------------------------------------------===// |
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| 7 | |
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| 8 | // UNSUPPORTED: c++03, c++11, c++14, c++17 |
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| 9 | |
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| 10 | // <atomic_ref> |
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| 11 | |
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| 12 | // template<class T> |
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| 13 | // class atomic_ref; |
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| 14 | |
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| 15 | // The program is ill-formed if is_trivially_copyable_v<T> is false. |
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| 16 | |
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| 17 | #include <atomic> |
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| 18 | |
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| 19 | void trivially_copyable() { |
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| 20 | struct X { |
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| 21 | X() = default; |
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| 22 | X(X const&) {} // -> not trivially copyable |
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| 23 | } x; |
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| 24 | // expected-error-re@*:* {{static assertion failed {{.*}}atomic_ref<T> requires that 'T' be a trivially copyable type}} |
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| 25 | std::atomic_ref<X> r(x); |
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| 26 | } |
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| 27 | |
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