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 // UNSUPPORTED: libcpp-no-exceptions 11 // <exception> 12 13 // class nested_exception; 14 15 // void rethrow_nested [[noreturn]] () const; 16 17 #include <exception> 18 #include <cstdlib> 19 #include <cassert> 20 21 class A 22 { 23 int data_; 24 public: 25 explicit A(int data) : data_(data) {} 26 27 friend bool operator==(const A& x, const A& y) {return x.data_ == y.data_;} 28 }; 29 30 void go_quietly() 31 { 32 std::exit(0); 33 } 34 35 int main() 36 { 37 { 38 try 39 { 40 throw A(2); 41 assert(false); 42 } 43 catch (const A&) 44 { 45 const std::nested_exception e; 46 assert(e.nested_ptr() != nullptr); 47 try 48 { 49 e.rethrow_nested(); 50 assert(false); 51 } 52 catch (const A& a) 53 { 54 assert(a == A(2)); 55 } 56 } 57 } 58 { 59 try 60 { 61 std::set_terminate(go_quietly); 62 const std::nested_exception e; 63 e.rethrow_nested(); 64 assert(false); 65 } 66 catch (...) 67 { 68 assert(false); 69 } 70 } 71 } 72
