1 // RUN: %clang_cc1 -fsyntax-only -verify %s 2 template<typename T> 3 int &f0(T); 4 5 template<typename T> 6 float &f0(T*); 7 8 void test_f0(int i, int *ip) { 9 int &ir = f0(i); 10 float &fr = f0(ip); 11 } 12 13 template<typename T, typename U> 14 int &f1(T, U); 15 16 template<typename T> 17 float &f1(T, T); 18 19 void test_f1(int i, float f) { 20 int &ir = f1(i, f); 21 float &fr1 = f1(i, i); 22 float &fr2 = f1(f, f); 23 } 24 25 template<typename T, typename U> 26 struct A { }; 27 28 template<typename T> 29 int &f2(T); 30 31 template<typename T, typename U> 32 float &f2(A<T, U>); 33 34 template<typename T> 35 double &f2(A<T, T>); 36 37 void test_f2(int i, A<int, float> aif, A<int, int> aii) { 38 int &ir = f2(i); 39 float &fr = f2(aif); 40 double &dr = f2(aii); 41 } 42 43 template<typename T, typename U> 44 int &f3(T*, U); // expected-note{{candidate}} 45 46 template<typename T, typename U> 47 float &f3(T, U*); // expected-note{{candidate}} 48 49 void test_f3(int i, int *ip, float *fp) { 50 int &ir = f3(ip, i); 51 float &fr = f3(i, fp); 52 f3(ip, ip); // expected-error{{ambiguous}} 53 } 54 55 template<typename T> 56 int &f4(T&); 57 58 template<typename T> 59 float &f4(const T&); 60 61 void test_f4(int i, const int ic) { 62 int &ir1 = f4(i); 63 float &fr1 = f4(ic); 64 } 65 66 template<typename T, typename U> 67 int &f5(T&, const U&); // expected-note{{candidate}} 68 69 template<typename T, typename U> 70 float &f5(const T&, U&); // expected-note{{candidate}} 71 72 void test_f5(int i, const int ic) { 73 f5(i, i); // expected-error{{ambiguous}} 74 } 75 76 template<typename T, typename U> 77 int &f6(T&, U&); 78 79 template<typename T, typename U> 80 float &f6(const T&, U&); 81 82 void test_f6(int i, const int ic) { 83 int &ir = f6(i, i); 84 float &fr = f6(ic, ic); 85 } 86 87 struct CrazyFun { 88 template<typename T, typename U> operator A<T, U>(); 89 template<typename T> operator A<T, T>(); 90 }; 91 92 void fun(CrazyFun cf) { 93 A<int, float> aif = cf; 94 A<int, int> aii = cf; 95 } 96
