| //===----------------------------------------------------------------------===// | 
 | // | 
 | // 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 | 
 | // | 
 | //===----------------------------------------------------------------------===// | 
 |  | 
 | // UNSUPPORTED: c++03 | 
 |  | 
 | #include <uchar.h> | 
 |  | 
 | #include "test_macros.h" | 
 |  | 
 | // When C++ char8_t support is not enabled, definitions of these functions that | 
 | // match the C2X declarations may still be present in the global namespace with | 
 | // a char8_t typedef substituted for the C++ char8_t type. If so, these are not | 
 | // the declarations we are looking for, so don't test for them. | 
 | #if !defined(TEST_HAS_NO_CHAR8_T) | 
 | using U = decltype(::c8rtomb); | 
 | using V = decltype(::mbrtoc8); | 
 | #  if !_LIBCPP_HAS_C8RTOMB_MBRTOC8 | 
 | // expected-error@-3 {{no member named 'c8rtomb' in the global namespace}} | 
 | // expected-error@-3 {{no member named 'mbrtoc8' in the global namespace}} | 
 | #  else | 
 | // expected-no-diagnostics | 
 | #  endif | 
 | #else | 
 | // expected-no-diagnostics | 
 | #endif |