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
