71 lines · cpp
1// RUN: %clang_cc1 -fsyntax-only -verify %s2void 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; } //ok22 { bool b = (void (*)(int))f; } //ok23 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); } //ok28 { bool b = static_cast<void (*)(int)>(f); } //ok29 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); } //ok35 { 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; } //ok44 { bool b = (void (*)(int))t; } //ok45 46 { bool b = static_cast<void (&)(char)>(t); } //ok47 { bool b = static_cast<void (*)(char)>(t); } //ok48 49 { bool b = static_cast<void (&)(int)>(t); } //ok50 { bool b = static_cast<void (*)(int)>(t); } //ok51 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); } //ok57 { 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 the64 // compatible function type (not to be confused with function pointer or65 // 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