21 lines · cpp
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9// UNSUPPORTED: no-threads10 11// <mutex>12 13// class recursive_mutex;14 15// recursive_mutex(const recursive_mutex&) = delete;16 17#include <mutex>18#include <type_traits>19 20static_assert(!std::is_copy_constructible<std::recursive_mutex>::value, "");21