1// RUN: %clang_cc1 -fsyntax-only -verify %s
2void g();
3
4void f(); // expected-note 11{{candidate function}}
5void f(int); // expected-note 11{{candidate function}}
6
7template <class T>
8void t(T); // expected-note 3{{candidate function}} \
9           // expected-note 3{{candidate template ignored: could not match 'void' against 'int'}}
10template <class T>
11void t(T *); // expected-note 3{{candidate function}} \
12             // expected-note 3{{candidate template ignored: could not match 'void' against 'int'}}
13
14template<class T> void u(T);
15
16int 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