25 lines
626 B
C++
25 lines
626 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 dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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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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// template <class Mutex> class lock_guard;
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// explicit lock_guard(mutex_type& m);
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#include <mutex>
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int main()
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{
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std::mutex m;
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std::lock_guard<std::mutex> lg = m; // expected-error{{no viable conversion}}
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}
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