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-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20 10 11 // REQUIRES: has-unix-headers 12 // XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx{{10.9|10.10|10.11|10.12|10.13|10.14|10.15|11.0|12.0}} 13 // ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_ENABLE_ASSERTIONS=1 14 15 // Make sure that reaching std::unreachable() with assertions enabled triggers an assertion. 16 17 #include <utility> 18 19 #include "check_assertion.h" 20 21 int main(int, char**) { 22 TEST_LIBCPP_ASSERT_FAILURE(std::unreachable(), "std::unreachable() was reached"); 23 24 return 0; 25 } 26