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 // <exception> 10 11 // typedef unspecified exception_ptr; 12 13 // exception_ptr shall satisfy the requirements of NullablePointer. 14 15 #include <exception> 16 #include <cassert> 17 18 int main(int, char**) 19 { 20 std::exception_ptr p; 21 assert(p == nullptr); 22 std::exception_ptr p2 = p; 23 assert(nullptr == p); 24 assert(!p); 25 assert(p2 == p); 26 p2 = p; 27 assert(p2 == p); 28 assert(p2 == nullptr); 29 std::exception_ptr p3 = nullptr; 30 assert(p3 == nullptr); 31 p3 = nullptr; 32 assert(p3 == nullptr); 33 34 return 0; 35 } 36