| 1 | //===----------------------------------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | // UNSUPPORTED: no-threads |
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| 10 | |
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| 11 | // <mutex> |
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| 12 | |
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| 13 | // struct once_flag; |
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| 14 | |
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| 15 | // once_flag(const once_flag&) = delete; |
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| 16 | |
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| 17 | #include <mutex> |
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| 18 | |
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| 19 | int main(int, char**) |
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| 20 | { |
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| 21 | std::once_flag f; |
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| 22 | std::once_flag f2(f); |
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| 23 | |
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| 24 | return 0; |
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| 25 | } |
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| 26 | |
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