xref: /llvm-project/libcxx/test/libcxx/utilities/exception_guard.odr.sh.cpp (revision b9a2658a3e8bd13b0f9e7a8a440832a95b377216)
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 // This test relies on `typeid` and thus requires `-frtti`.
10 // UNSUPPORTED: no-rtti
11 
12 // XFAIL: FROZEN-CXX03-HEADERS-FIXME
13 
14 // Make sure that we don't get ODR violations with __exception_guard when
15 // linking together TUs compiled with different values of -f[no-]exceptions.
16 
17 // RUN: %{cxx} %s %{flags} %{compile_flags} -c -o %t.except.o   -O1 -fexceptions
18 // RUN: %{cxx} %s %{flags} %{compile_flags} -c -o %t.noexcept.o -O1 -fno-exceptions
19 // RUN: %{cxx} %{flags} %{link_flags} -o %t.exe %t.except.o %t.noexcept.o
20 // RUN: %{run}
21 
22 #include <__utility/exception_guard.h>
23 #include <cassert>
24 #include <cstring>
25 #include <typeinfo>
26 
27 struct Rollback {
28   void operator()() {}
29 };
30 
31 #if defined(__cpp_exceptions) && __cpp_exceptions >= 199711L
32 
33 const char* func();
34 
35 int main(int, char**) {
36   assert(std::strcmp(typeid(std::__exception_guard<Rollback>).name(), func()) != 0);
37 
38   return 0;
39 }
40 
41 #else
42 
43 const char* func() { return typeid(std::__exception_guard<Rollback>).name(); }
44 
45 #endif
46