| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <atomic> |
| |
| // template <class T> |
| // struct atomic; |
| |
| // This test checks that we static_assert inside std::atomic<T> when T |
| // is not trivially copyable, however Clang will sometimes emit additional |
| // errors while trying to instantiate the rest of std::atomic<T>. |
| // We silence those to make the test more robust. |
| // ADDITIONAL_COMPILE_FLAGS: -Xclang -verify-ignore-unexpected=error |
| |
| #include <atomic> |
| |
| struct NotTriviallyCopyable { |
| explicit NotTriviallyCopyable(int i) : i_(i) { } |
| NotTriviallyCopyable(const NotTriviallyCopyable &rhs) : i_(rhs.i_) { } |
| int i_; |
| }; |
| |
| void f() { |
| NotTriviallyCopyable x(42); |
| std::atomic<NotTriviallyCopyable> a(x); // expected-error@atomic:* {{std::atomic<T> requires that 'T' be a trivially copyable type}} |
| } |