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 // void rethrow_exception [[noreturn]] (exception_ptr p); 14 15 #include <exception> 16 #include <cassert> 17 18 struct A 19 { 20 static int constructed; 21 int data_; 22 23 A(int data = 0) : data_(data) {++constructed;} 24 ~A() {--constructed;} 25 A(const A& a) : data_(a.data_) {++constructed;} 26 }; 27 28 int A::constructed = 0; 29 30 int main() 31 { 32 { 33 std::exception_ptr p; 34 try 35 { 36 throw A(3); 37 } 38 catch (...) 39 { 40 p = std::current_exception(); 41 } 42 try 43 { 44 std::rethrow_exception(p); 45 assert(false); 46 } 47 catch (const A& a) 48 { 49 #ifndef _LIBCPP_ABI_MICROSOFT 50 assert(A::constructed == 1); 51 #else 52 // On Windows the exception_ptr copies the exception 53 assert(A::constructed == 2); 54 #endif 55 assert(p != nullptr); 56 p = nullptr; 57 assert(p == nullptr); 58 assert(a.data_ == 3); 59 assert(A::constructed == 1); 60 } 61 assert(A::constructed == 0); 62 } 63 assert(A::constructed == 0); 64 } 65
