e1ce3dabf0
We never noticed it because our CI doesn't actually build against a C library that doesn't have threading functionality, however building against a truly thread-free platform surfaces these issues. Differential Revision: https://reviews.llvm.org/D114242
26 lines
590 B
C++
26 lines
590 B
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: libcpp-has-no-threads
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// <mutex>
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// struct once_flag;
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// once_flag(const once_flag&) = delete;
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#include <mutex>
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int main(int, char**)
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{
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std::once_flag f;
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std::once_flag f2(f);
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return 0;
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}
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