1// RUN: %clang_cc1 -fsyntax-only -verify %s
2
3struct X {
4  template<typename T> T& f0(T);
5
6  void g0(int i, double d) {
7    int &ir = f0(i);
8    double &dr = f0(d);
9  }
10
11  template<typename T> T& f1(T);
12  template<typename T, typename U> U& f1(T, U);
13
14  void g1(int i, double d) {
15    int &ir1 = f1(i);
16    int &ir2 = f1(d, i);
17    int &ir3 = f1(i, i);
18  }
19};
20
21void test_X_f0(X x, int i, float f) {
22  int &ir = x.f0(i);
23  float &fr = x.f0(f);
24}
25
26void test_X_f1(X x, int i, float f) {
27  int &ir1 = x.f1(i);
28  int &ir2 = x.f1(f, i);
29  int &ir3 = x.f1(i, i);
30}
31
32void test_X_f0_address() {
33  int& (X::*pm1)(int) = &X::f0;
34  float& (X::*pm2)(float) = &X::f0;
35}
36
37void test_X_f1_address() {
38  int& (X::*pm1)(int) = &X::f1;
39  float& (X::*pm2)(float) = &X::f1;
40  int& (X::*pm3)(float, int) = &X::f1;
41}
42
43void test_X_f0_explicit(X x, int i, long l) {
44  int &ir1 = x.f0<int>(i);
45  int &ir2 = x.f0<>(i);
46  long &il1 = x.f0<long>(i);
47}
48
49// PR4608
50class A { template <class x> x a(x z) { return z+y; } int y; };
51
52// PR5419
53struct Functor {
54  template <typename T>
55  bool operator()(const T& v) const {
56    return true;
57  }
58};
59
60void test_Functor(Functor f) {
61  f(1);
62}
63
64// Instantiation on ->
65template<typename T>
66struct X1 {
67  template<typename U> U& get();
68};
69
70template<typename T> struct X2; // expected-note{{here}}
71
72void test_incomplete_access(X1<int> *x1, X2<int> *x2) {
73  float &fr = x1->get<float>();
74  (void)x2->get<float>(); // expected-error{{implicit instantiation of undefined template}}
75}
76
77// Instantiation of template template parameters in a member function
78// template.
79namespace TTP {
80  template<int Dim> struct X {
81    template<template<class> class M, class T> void f(const M<T>&);
82  };
83
84  template<typename T> struct Y { };
85
86  void test_f(X<3> x, Y<int> y) { x.f(y); }
87}
88
89namespace PR7387 {
90  template <typename T> struct X {};
91
92  template <typename T1> struct S {
93    template <template <typename> class TC> void foo(const TC<T1>& arg);
94  };
95
96  template <typename T1> template <template <typename> class TC>
97  void S<T1>::foo(const TC<T1>& arg) {}
98
99  void test(const X<int>& x) {
100    S<int> s;
101    s.foo(x);
102  }
103}
104