45 lines · cpp
1// RUN: %clang_cc1 -fsyntax-only -verify -std=c++98 %s2// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s3 4template<class T> struct A { A(); };5template<class T> int &f(T); 6template<class T> float &f(T*); 7template<class T> double &f(const T*);8 9template<class T> void g(T); // expected-note{{candidate}}10template<class T> void g(T&); // expected-note{{candidate}}11 12template<class T> int &h(const T&); 13template<class T> float &h(A<T>&);14 15void m() { 16 const int *p; 17 double &dr1 = f(p); 18 float x; 19 g(x); // expected-error{{ambiguous}}20 A<int> z; 21 float &fr1 = h(z);22 const A<int> z2; 23 int &ir1 = h(z2);24}25 26 27namespace core_26909 {28 template<typename T> struct A {};29 template<typename T, typename U> void f(T&, U); // expected-note {{candidate}}30 template<typename T, typename U> void f(T&&, A<U>); // expected-note {{candidate}} expected-warning 0-1{{extension}}31 template<typename T, typename U> void g(const T&, U); // expected-note {{candidate}}32 template<typename T, typename U> void g(T&, A<U>); // expected-note {{candidate}}33 34 void h(int a, const char b, A<int> c) {35 f(a, c); // expected-error{{ambiguous}}36 g(b, c); // expected-error{{ambiguous}}37 }38}39 40namespace PR22435 {41 template<typename T, typename U> void foo(void (*)(T), const U &); // expected-note {{candidate}}42 template<typename T, typename U> bool foo(void (*)(T &), U &); // expected-note {{candidate}}43 void bar(const int x) { bool b = foo<char>(0, x); } // expected-error {{ambiguous}}44}45