1 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
3 struct X0 { // expected-note 8{{candidate}}
4 X0(int*, float*); // expected-note 4{{candidate}}
7 template<typename T, typename U>
9 X0 x0(t, u); // expected-error{{no matching}}
10 return X0(t, u); // expected-error{{no matching}}
13 void test_f0(int *ip, float *fp, double *dp) {
15 f0(ip, dp); // expected-note{{instantiation}}
18 template<typename Ret, typename T, typename U>
19 Ret 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}}
24 void test_f1(X0 *x0, int *ip, float *fp, double *dp) {
26 f1(x0, ip, dp); // expected-note{{instantiation}}
30 template <typename T> struct X { explicit X(T* p = 0) { }; };
31 template <typename T> struct Y { Y(int, const T& x); };
35 B() : y(0, X<A>()) { }
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
64 template <typename T> struct S {
65 static const int arr[];
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; }
78 template<int N> struct integral_c { };
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<}}
90 static const Data<T> data[];
94 const Data<T> Description<T>::data[] = {{ 1 }}; // expected-error{{cannot initialize a member subobject of type 'int *' with an rvalue of type 'int'}}
97 const Data<float*> Description<float*>::data[];
100 integral_c<1> ic1 = array_lengthof(Description<int>::data);
101 (void)sizeof(array_lengthof(Description<float>::data));
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}}
107 array_lengthof(Description<float*>::data); // expected-error{{no matching function for call to 'array_lengthof'}}
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 }; };
118 template<typename T> struct C { T a = { 0 }; }; // expected-error{{explicit}}
119 C<A> c; // expected-note {{in instantiation of default member initializer}}
123 // Make sure we properly instantiate list-initialization.
127 for (int i = 0; i < 4; ++i, ++it){
128 m |= long{char{*it}};
132 char in[4] = {0,0,0,0};
137 namespace ReturnStmtIsInitialization {
140 X(const X &) = delete;
142 template<typename T> X f() { return {}; }
143 auto &&x = f<void>();
146 namespace InitListUpdate {
150 // Check that an init list update doesn't "lose" the pack-ness of an expression.
151 template <int... N> void f() {
152 g(AA{0, [0].n = N} ...); // expected-warning 3{{overrides prior init}} expected-note 3{{previous init}}
153 g(AA{N, [0].n = 0} ...); // expected-warning 3{{overrides prior init}} expected-note 3{{previous init}}
157 void h() { f<1, 2>(); } // expected-note {{instantiation of}}