1 | // RUN: %clang_cc1 -fsyntax-only -verify %s |
2 | void g(); |
3 | |
4 | void f(); // expected-note 11{{candidate function}} |
5 | void f(int); // expected-note 11{{candidate function}} |
6 | |
7 | template <class T> |
8 | void t(T); // expected-note 3{{candidate function}} \ |
9 | // expected-note 3{{candidate template ignored: could not match 'void' against 'int'}} |
10 | template <class T> |
11 | void t(T *); // expected-note 3{{candidate function}} \ |
12 | // expected-note 3{{candidate template ignored: could not match 'void' against 'int'}} |
13 | |
14 | template<class T> void u(T); |
15 | |
16 | int main() |
17 | { |
18 | { bool b = (void (&)(char))f; } // expected-error{{does not match required type}} |
19 | { bool b = (void (*)(char))f; } // expected-error{{does not match required type}} |
20 | |
21 | { bool b = (void (&)(int))f; } //ok |
22 | { bool b = (void (*)(int))f; } //ok |
23 | |
24 | { bool b = static_cast<void (&)(char)>(f); } // expected-error{{does not match}} |
25 | { bool b = static_cast<void (*)(char)>(f); } // expected-error{{address of overloaded function}} |
26 | |
27 | { bool b = static_cast<void (&)(int)>(f); } //ok |
28 | { bool b = static_cast<void (*)(int)>(f); } //ok |
29 | |
30 | |
31 | { bool b = reinterpret_cast<void (&)(char)>(f); } // expected-error{{cannot resolve}} |
32 | { bool b = reinterpret_cast<void (*)(char)>(f); } // expected-error{{cannot resolve}} |
33 | |
34 | { bool b = reinterpret_cast<void (*)(char)>(g); } //ok |
35 | { bool b = static_cast<void (*)(char)>(g); } // expected-error{{not allowed}} |
36 | |
37 | { bool b = reinterpret_cast<void (&)(int)>(f); } // expected-error{{cannot resolve}} |
38 | { bool b = reinterpret_cast<void (*)(int)>(f); } // expected-error{{cannot resolve}} |
39 | |
40 | { bool b = (int (&)(char))t; } // expected-error{{does not match}} |
41 | { bool b = (int (*)(char))t; } // expected-error{{does not match}} |
42 | |
43 | { bool b = (void (&)(int))t; } //ok |
44 | { bool b = (void (*)(int))t; } //ok |
45 | |
46 | { bool b = static_cast<void (&)(char)>(t); } //ok |
47 | { bool b = static_cast<void (*)(char)>(t); } //ok |
48 | |
49 | { bool b = static_cast<void (&)(int)>(t); } //ok |
50 | { bool b = static_cast<void (*)(int)>(t); } //ok |
51 | |
52 | |
53 | { bool b = reinterpret_cast<void (&)(char)>(t); } // expected-error{{cannot resolve}} |
54 | { bool b = reinterpret_cast<void (*)(char)>(t); } // expected-error{{cannot resolve}} |
55 | |
56 | { bool b = reinterpret_cast<int (*)(char)>(g); } //ok |
57 | { bool b = static_cast<int (*)(char)>(t); } // expected-error{{cannot be static_cast}} |
58 | { bool b = static_cast<int (&)(char)>(t); } // expected-error{{does not match required}} |
59 | |
60 | { bool b = static_cast<void (&)(char)>(f); } // expected-error{{does not match}} |
61 | |
62 | { |
63 | // The error should be reported when casting overloaded function to the |
64 | // compatible function type (not to be confused with function pointer or |
65 | // function reference type.) |
66 | typedef void (FnType)(int); |
67 | FnType a = static_cast<FnType>(f); // expected-error{{address of overloaded function}} |
68 | FnType b = (FnType)(f); // expected-error{{address of overloaded function}} |
69 | } |
70 | } |
71 | |