1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <exception> 11 12 // class nested_exception; 13 14 // void rethrow_nested [[noreturn]] () const; 15 16 #include <exception> 17 #include <cstdlib> 18 #include <cassert> 19 20 class A 21 { 22 int data_; 23 public: 24 explicit A(int data) : data_(data) {} 25 26 friend bool operator==(const A& x, const A& y) {return x.data_ == y.data_;} 27 }; 28 29 void go_quietly() 30 { 31 std::exit(0); 32 } 33 34 int main() 35 { 36 { 37 try 38 { 39 throw A(2); 40 assert(false); 41 } 42 catch (const A&) 43 { 44 const std::nested_exception e; 45 assert(e.nested_ptr() != nullptr); 46 try 47 { 48 e.rethrow_nested(); 49 assert(false); 50 } 51 catch (const A& a) 52 { 53 assert(a == A(2)); 54 } 55 } 56 } 57 { 58 try 59 { 60 std::set_terminate(go_quietly); 61 const std::nested_exception e; 62 e.rethrow_nested(); 63 assert(false); 64 } 65 catch (...) 66 { 67 assert(false); 68 } 69 } 70 } 71
