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150
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1 // RUN: %clang_cc1 -fsyntax-only -verify %s
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2
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3 struct X {
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4 template<typename T> T& f0(T);
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5
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6 void g0(int i, double d) {
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7 int &ir = f0(i);
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8 double &dr = f0(d);
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9 }
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10
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11 template<typename T> T& f1(T);
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12 template<typename T, typename U> U& f1(T, U);
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13
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14 void g1(int i, double d) {
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15 int &ir1 = f1(i);
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16 int &ir2 = f1(d, i);
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17 int &ir3 = f1(i, i);
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18 }
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19 };
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20
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21 void test_X_f0(X x, int i, float f) {
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22 int &ir = x.f0(i);
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23 float &fr = x.f0(f);
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24 }
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25
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26 void test_X_f1(X x, int i, float f) {
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27 int &ir1 = x.f1(i);
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28 int &ir2 = x.f1(f, i);
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29 int &ir3 = x.f1(i, i);
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30 }
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31
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32 void test_X_f0_address() {
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33 int& (X::*pm1)(int) = &X::f0;
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34 float& (X::*pm2)(float) = &X::f0;
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35 }
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36
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37 void test_X_f1_address() {
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38 int& (X::*pm1)(int) = &X::f1;
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39 float& (X::*pm2)(float) = &X::f1;
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40 int& (X::*pm3)(float, int) = &X::f1;
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41 }
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42
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43 void test_X_f0_explicit(X x, int i, long l) {
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44 int &ir1 = x.f0<int>(i);
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45 int &ir2 = x.f0<>(i);
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46 long &il1 = x.f0<long>(i);
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47 }
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48
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49 // PR4608
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50 class A { template <class x> x a(x z) { return z+y; } int y; };
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51
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52 // PR5419
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53 struct Functor {
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54 template <typename T>
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55 bool operator()(const T& v) const {
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56 return true;
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57 }
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58 };
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59
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60 void test_Functor(Functor f) {
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61 f(1);
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62 }
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63
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64 // Instantiation on ->
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65 template<typename T>
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66 struct X1 {
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67 template<typename U> U& get();
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68 };
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69
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70 template<typename T> struct X2; // expected-note{{here}}
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71
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72 void test_incomplete_access(X1<int> *x1, X2<int> *x2) {
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73 float &fr = x1->get<float>();
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74 (void)x2->get<float>(); // expected-error{{implicit instantiation of undefined template}}
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75 }
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76
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77 // Instantiation of template template parameters in a member function
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78 // template.
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79 namespace TTP {
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80 template<int Dim> struct X {
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81 template<template<class> class M, class T> void f(const M<T>&);
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82 };
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83
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84 template<typename T> struct Y { };
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85
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86 void test_f(X<3> x, Y<int> y) { x.f(y); }
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87 }
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88
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89 namespace PR7387 {
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90 template <typename T> struct X {};
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91
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92 template <typename T1> struct S {
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93 template <template <typename> class TC> void foo(const TC<T1>& arg);
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94 };
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95
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96 template <typename T1> template <template <typename> class TC>
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97 void S<T1>::foo(const TC<T1>& arg) {}
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98
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99 void test(const X<int>& x) {
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100 S<int> s;
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101 s.foo(x);
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102 }
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103 }
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