1// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
2
3struct X0 { // expected-note 8{{candidate}}
4  X0(int*, float*); // expected-note 4{{candidate}}
5};
6
7template<typename T, typename U>
8X0 f0(T t, U u) {
9  X0 x0(t, u); // expected-error{{no matching}}
10  return X0(t, u); // expected-error{{no matching}}
11}
12
13void test_f0(int *ip, float *fp, double *dp) {
14  f0(ip, fp);
15  f0(ip, dp); // expected-note{{instantiation}}
16}
17
18template<typename Ret, typename T, typename U>
19Ret f1(Ret *retty, T t, U u) {
20  Ret r0(t, u); // expected-error{{no matching}}
21  return Ret(t, u); // expected-error{{no matching}}
22}
23
24void test_f1(X0 *x0, int *ip, float *fp, double *dp) {
25  f1(x0, ip, fp);
26  f1(x0, ip, dp); // expected-note{{instantiation}}
27}
28
29namespace PR6457 {
30  template <typename T> struct X { explicit X(T* p = 0) { }; };
31  template <typename T> struct Y { Y(int, const T& x); };
32  struct A { };
33  template <typename T>
34  struct B {
35    B() : y(0, X<A>()) { }
36    Y<X<A> > y;
37  };
38  B<int> b;
39}
40
41namespace PR6657 {
42  struct X
43  {
44    X (int, int) { }
45  };
46
47  template <typename>
48  void f0()
49  {
50    X x = X(0, 0);
51  }
52
53  void f1()
54  {
55    f0<int>();
56  }
57}
58
59// Instantiate out-of-line definitions of static data members which complete
60// types through an initializer even when the only use of the member that would
61// cause instantiation is in an unevaluated context, but one requiring its
62// complete type.
63namespace PR10001 {
64  template <typename T> struct S {
65    static const int arr[];
66    static const int x;
67    static int f();
68  };
69
70  template <typename T> const int S<T>::arr[] = { 1, 2, 3 };
71  template <typename T> const int S<T>::x = sizeof(arr) / sizeof(arr[0]);
72  template <typename T> int S<T>::f() { return x; }
73
74  int x = S<int>::f();
75}
76
77namespace PR7985 {
78  template<int N> struct integral_c { };
79
80  template <typename T, int N>
81  integral_c<N> array_lengthof(T (&x)[N]) { return integral_c<N>(); } // expected-note 2{{candidate template ignored: could not match 'T [N]' against 'const Data<}}
82
83  template<typename T>
84  struct Data {
85    T x;
86  };
87
88  template<typename T>
89  struct Description {
90    static const Data<T> data[];
91  };
92
93  template<typename T>
94  const Data<T> Description<T>::data[] = {{ 1 }}; // expected-error{{cannot initialize a member subobject of type 'int *' with an rvalue of type 'int'}}
95
96  template<>
97  const Data<float*> Description<float*>::data[];
98
99  void test() {
100    integral_c<1> ic1 = array_lengthof(Description<int>::data);
101    (void)sizeof(array_lengthof(Description<float>::data));
102
103    sizeof(array_lengthof( // expected-error{{no matching function for call to 'array_lengthof'}}
104                          Description<int*>::data // expected-note{{in instantiation of static data member 'PR7985::Description<int *>::data' requested here}}
105                          ));
106
107    array_lengthof(Description<float*>::data); // expected-error{{no matching function for call to 'array_lengthof'}}
108  }
109}
110
111namespace PR13064 {
112  // Ensure that in-class direct-initialization is instantiated as
113  // direct-initialization and likewise copy-initialization is instantiated as
114  // copy-initialization.
115  struct A { explicit A(int); }; // expected-note{{here}}
116  template<typename T> struct B { T a { 0 }; };
117  B<A> b;
118  template<typename T> struct C { T a = { 0 }; }; // expected-error{{explicit}}
119  C<A> c; // expected-note{{here}}
120}
121
122namespace PR16903 {
123  // Make sure we properly instantiate list-initialization.
124  template<typename T>
125  void fun (T it) {
126  	int m = 0;
127  	for (int i = 0; i < 4; ++i, ++it){
128  		m |= long{char{*it}};
129  	}
130  }
131  int test() {
132  	char in[4] = {0,0,0,0};
133  	fun(in);
134  }
135}
136