22 lines
458 B
C++
22 lines
458 B
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <mutex>
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// struct once_flag;
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// constexpr once_flag();
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#include <mutex>
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int main()
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{
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std::once_flag f;
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}
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