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: -fno-rtti 10 11 // RUN: %{cxx} %s %{flags} %{compile_flags} -c -o %t.tu1.o -DTU1 -D_LIBCPP_TYPEINFO_COMPARISON_IMPLEMENTATION=1 12 // RUN: %{cxx} %s %{flags} %{compile_flags} -c -o %t.tu2.o -DTU2 -D_LIBCPP_TYPEINFO_COMPARISON_IMPLEMENTATION=1 13 // RUN: %{cxx} %s %{flags} %{compile_flags} -c -o %t.main.o -DMAIN -D_LIBCPP_TYPEINFO_COMPARISON_IMPLEMENTATION=1 14 // RUN: %{cxx} %t.tu1.o %t.tu2.o %t.main.o %{flags} %{link_flags} -o %t.exe 15 // RUN: %{exec} %t.exe 16 17 #include <cassert> 18 #include <typeindex> 19 #include <vector> 20 21 extern std::vector<std::type_index> registry; 22 23 void register1(); 24 void register2(); 25 26 #if defined(TU1) 27 namespace { struct A { bool x; }; } register1()28 void register1() { registry.push_back(std::type_index(typeid(A))); } 29 #elif defined(TU2) 30 namespace { struct A { int x, y; }; } register2()31 void register2() { registry.push_back(std::type_index(typeid(A))); } 32 #elif defined(MAIN) 33 std::vector<std::type_index> registry; 34 main()35 int main() { 36 register1(); 37 register2(); 38 39 assert(registry.size() == 2); 40 assert(registry[0] != registry[1]); 41 } 42 #else 43 # error 44 #endif 45