//===----------------------------------------------------------------------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// #include <optional> #include <stdexcept> namespace std { bad_optional_access::~bad_optional_access() noexcept = default; const char* bad_optional_access::what() const noexcept { … } } // namespace std #include <experimental/__config> // Preserve std::experimental::bad_optional_access for ABI compatibility // Even though it no longer exists in a header file _LIBCPP_BEGIN_NAMESPACE_EXPERIMENTAL class _LIBCPP_EXPORTED_FROM_ABI _LIBCPP_AVAILABILITY_BAD_OPTIONAL_ACCESS bad_optional_access : public std::logic_error { … }; bad_optional_access::~bad_optional_access() noexcept = default; _LIBCPP_END_NAMESPACE_EXPERIMENTAL