1 //===----------------------- catch_function_01.cpp ------------------------===//
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 // Can you have a catch clause of array type that catches anything?
10 
11 // GCC incorrectly allows function pointer to be caught by reference.
12 // See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69372
13 // XFAIL: gcc
14 // UNSUPPORTED: libcxxabi-no-exceptions
15 
16 #include <cassert>
17 
18 template <class Tp>
can_convert(Tp)19 bool can_convert(Tp) { return true; }
20 
21 template <class>
can_convert(...)22 bool can_convert(...) { return false; }
23 
f()24 void f() {}
25 
main()26 int main()
27 {
28     typedef void Function();
29     assert(!can_convert<Function&>(&f));
30     assert(!can_convert<void*>(&f));
31     try
32     {
33         throw f;     // converts to void (*)()
34         assert(false);
35     }
36     catch (Function& b)  // can't catch void (*)()
37     {
38         assert(false);
39     }
40     catch (void*) // can't catch as void*
41     {
42         assert(false);
43     }
44     catch(Function*)
45     {
46     }
47     catch (...)
48     {
49         assert(false);
50     }
51 }
52