1b57c22adSNikolas Klauser //===----------------------------------------------------------------------===// 2b57c22adSNikolas Klauser // 3b57c22adSNikolas Klauser // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4b57c22adSNikolas Klauser // See https://llvm.org/LICENSE.txt for license information. 5b57c22adSNikolas Klauser // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6b57c22adSNikolas Klauser // 7b57c22adSNikolas Klauser //===----------------------------------------------------------------------===// 8b57c22adSNikolas Klauser 9*bbb0f2c7SArthur O'Dwyer #include <__config> 10b57c22adSNikolas Klauser #include <memory> 11b57c22adSNikolas Klauser 12b57c22adSNikolas Klauser // Support for garbage collection was removed in C++23 by https://wg21.link/P2186R2. Libc++ implements 13b57c22adSNikolas Klauser // that removal as an extension in all Standard versions. However, we still define the functions that 14b57c22adSNikolas Klauser // were once part of the library's ABI for backwards compatibility. 15b57c22adSNikolas Klauser 16b57c22adSNikolas Klauser _LIBCPP_BEGIN_NAMESPACE_STD 17b57c22adSNikolas Klauser declare_reachable(void *)18b57c22adSNikolas Klauser_LIBCPP_FUNC_VIS void declare_reachable(void*) {} declare_no_pointers(char *,size_t)19b57c22adSNikolas Klauser_LIBCPP_FUNC_VIS void declare_no_pointers(char*, size_t) {} undeclare_no_pointers(char *,size_t)20b57c22adSNikolas Klauser_LIBCPP_FUNC_VIS void undeclare_no_pointers(char*, size_t) {} __undeclare_reachable(void * p)21b57c22adSNikolas Klauser_LIBCPP_FUNC_VIS void* __undeclare_reachable(void* p) { return p; } 22b57c22adSNikolas Klauser 23b57c22adSNikolas Klauser _LIBCPP_END_NAMESPACE_STD 24