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+// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
+
+typedef double A;
+template<typename T> class B {
+ typedef int A;
+};
+
+template<typename T> struct X : B<T> {
+ static A a;
+};
+
+int a0[sizeof(X<int>::a) == sizeof(double) ? 1 : -1];
+
+// PR4365.
+template<class T> class Q;
+template<class T> class R : Q<T> {T current;};
+
+
+namespace test0 {
+ template <class T> class Base {
+ public:
+ void instance_foo();
+ static void static_foo();
+ class Inner {
+ public:
+ void instance_foo();
+ static void static_foo();
+ };
+ };
+
+ template <class T> class Derived1 : Base<T> {
+ public:
+ void test0() {
+ Base<T>::static_foo();
+ Base<T>::instance_foo();
+ }
+
+ void test1() {
+ Base<T>::Inner::static_foo();
+ Base<T>::Inner::instance_foo(); // expected-error {{call to non-static member function without an object argument}}
+ }
+
+ static void test2() {
+ Base<T>::static_foo();
+ Base<T>::instance_foo(); // expected-error {{call to non-static member function without an object argument}}
+ }
+
+ static void test3() {
+ Base<T>::Inner::static_foo();
+ Base<T>::Inner::instance_foo(); // expected-error {{call to non-static member function without an object argument}}
+ }
+ };
+
+ template <class T> class Derived2 : Base<T>::Inner {
+ public:
+ void test0() {
+ Base<T>::static_foo();
+ Base<T>::instance_foo(); // expected-error {{call to non-static member function without an object argument}}
+ }
+
+ void test1() {
+ Base<T>::Inner::static_foo();
+ Base<T>::Inner::instance_foo();
+ }
+
+ static void test2() {
+ Base<T>::static_foo();
+ Base<T>::instance_foo(); // expected-error {{call to non-static member function without an object argument}}
+ }
+
+ static void test3() {
+ Base<T>::Inner::static_foo();
+ Base<T>::Inner::instance_foo(); // expected-error {{call to non-static member function without an object argument}}
+ }
+ };
+
+ void test0() {
+ Derived1<int> d1;
+ d1.test0();
+ d1.test1(); // expected-note {{in instantiation of member function}}
+ d1.test2(); // expected-note {{in instantiation of member function}}
+ d1.test3(); // expected-note {{in instantiation of member function}}
+
+ Derived2<int> d2;
+ d2.test0(); // expected-note {{in instantiation of member function}}
+ d2.test1();
+ d2.test2(); // expected-note {{in instantiation of member function}}
+ d2.test3(); // expected-note {{in instantiation of member function}}
+ }
+}
+
+namespace test1 {
+ template <class T> struct Base {
+ void foo(T); // expected-note {{must qualify identifier to find this declaration in dependent base class}}
+ };
+
+ template <class T> struct Derived : Base<T> {
+ void doFoo(T v) {
+ foo(v); // expected-error {{use of undeclared identifier}}
+ }
+ };
+
+ template struct Derived<int>; // expected-note {{requested here}}
+}
+
+namespace PR8966 {
+ template <class T>
+ class MyClassCore
+ {
+ };
+
+ template <class T>
+ class MyClass : public MyClassCore<T>
+ {
+ public:
+ enum {
+ N
+ };
+
+ // static member declaration
+ static const char* array [N];
+
+ void f() {
+ MyClass<T>::InBase = 17;
+ }
+ };
+
+ // static member definition
+ template <class T>
+ const char* MyClass<T>::array [MyClass<T>::N] = { "A", "B", "C" };
+}
+
+namespace std {
+ inline namespace v1 {
+ template<typename T> struct basic_ostream;
+ }
+ namespace inner {
+ template<typename T> struct vector {};
+ }
+ using inner::vector;
+ template<typename T, typename U> struct pair {};
+ typedef basic_ostream<char> ostream;
+ extern ostream cout;
+ std::ostream &operator<<(std::ostream &out, const char *);
+}
+
+namespace PR10053 {
+ template<typename T> struct A {
+ T t;
+ A() {
+ f(t); // expected-error {{call to function 'f' that is neither visible in the template definition nor found by argument-dependent lookup}}
+ }
+ };
+
+ void f(int&); // expected-note {{'f' should be declared prior to the call site}}
+
+ A<int> a; // expected-note {{in instantiation of member function}}
+
+
+ namespace N {
+ namespace M {
+ template<typename T> int g(T t) {
+ f(t); // expected-error {{call to function 'f' that is neither visible in the template definition nor found by argument-dependent lookup}}
+ };
+ }
+
+ void f(char&); // expected-note {{'f' should be declared prior to the call site}}
+ }
+
+ void f(char&);
+
+ int k = N::M::g<char>(0);; // expected-note {{in instantiation of function}}
+
+
+ namespace O {
+ void f(char&); // expected-note {{candidate function not viable}}
+
+ template<typename T> struct C {
+ static const int n = f(T()); // expected-error {{no matching function}}
+ };
+ }
+
+ int f(double); // no note, shadowed by O::f
+ O::C<double> c; // expected-note {{requested here}}
+
+
+ // Example from www/compatibility.html
+ namespace my_file {
+ template <typename T> T Squared(T x) {
+ return Multiply(x, x); // expected-error {{neither visible in the template definition nor found by argument-dependent lookup}}
+ }
+
+ int Multiply(int x, int y) { // expected-note {{should be declared prior to the call site}}
+ return x * y;
+ }
+
+ int main() {
+ Squared(5); // expected-note {{here}}
+ }
+ }
+
+ // Example from www/compatibility.html
+ namespace my_file2 {
+ template<typename T>
+ void Dump(const T& value) {
+ std::cout << value << "\n"; // expected-error {{neither visible in the template definition nor found by argument-dependent lookup}}
+ }
+
+ namespace ns {
+ struct Data {};
+ }
+
+ std::ostream& operator<<(std::ostream& out, ns::Data data) { // expected-note {{should be declared prior to the call site or in namespace 'PR10053::my_file2::ns'}}
+ return out << "Some data";
+ }
+
+ void Use() {
+ Dump(ns::Data()); // expected-note {{here}}
+ }
+ }
+
+ namespace my_file2_a {
+ template<typename T>
+ void Dump(const T &value) {
+ print(std::cout, value); // expected-error 4{{neither visible in the template definition nor found by argument-dependent lookup}}
+ }
+
+ namespace ns {
+ struct Data {};
+ }
+ namespace ns2 {
+ struct Data {};
+ }
+
+ std::ostream &print(std::ostream &out, int); // expected-note-re {{should be declared prior to the call site$}}
+ std::ostream &print(std::ostream &out, ns::Data); // expected-note {{should be declared prior to the call site or in namespace 'PR10053::my_file2_a::ns'}}
+ std::ostream &print(std::ostream &out, std::vector<ns2::Data>); // expected-note {{should be declared prior to the call site or in namespace 'PR10053::my_file2_a::ns2'}}
+ std::ostream &print(std::ostream &out, std::pair<ns::Data, ns2::Data>); // expected-note {{should be declared prior to the call site or in an associated namespace of one of its arguments}}
+
+ void Use() {
+ Dump(0); // expected-note {{requested here}}
+ Dump(ns::Data()); // expected-note {{requested here}}
+ Dump(std::vector<ns2::Data>()); // expected-note {{requested here}}
+ Dump(std::pair<ns::Data, ns2::Data>()); // expected-note {{requested here}}
+ }
+ }
+
+ namespace unary {
+ template<typename T>
+ T Negate(const T& value) {
+ return !value; // expected-error {{call to function 'operator!' that is neither visible in the template definition nor found by argument-dependent lookup}}
+ }
+
+ namespace ns {
+ struct Data {};
+ }
+
+ ns::Data operator!(ns::Data); // expected-note {{should be declared prior to the call site or in namespace 'PR10053::unary::ns'}}
+
+ void Use() {
+ Negate(ns::Data()); // expected-note {{requested here}}
+ }
+ }
+}
+
+namespace PR10187 {
+ namespace A {
+ template<typename T>
+ struct S {
+ void f() {
+ for (auto &a : e)
+ __range(a); // expected-error {{undeclared identifier '__range'}}
+ }
+ int e[10];
+ };
+ void g() {
+ S<int>().f(); // expected-note {{here}}
+ }
+ }
+
+ namespace B {
+ template<typename T> void g(); // expected-note {{not viable}}
+ template<typename T> void f() {
+ g<int>(T()); // expected-error {{no matching function}}
+ }
+
+ namespace {
+ struct S {};
+ }
+ void g(S);
+
+ template void f<S>(); // expected-note {{here}}
+ }
+}
+
+namespace rdar11242625 {
+
+template <typename T>
+struct Main {
+ struct default_names {
+ typedef int id;
+ };
+
+ template <typename T2 = typename default_names::id>
+ struct TS {
+ T2 q;
+ };
+};
+
+struct Sub : public Main<int> {
+ TS<> ff;
+};
+
+int arr[sizeof(Sub)];
+
+}
+
+namespace PR11421 {
+template < unsigned > struct X {
+ static const unsigned dimension = 3;
+ template<unsigned dim=dimension>
+ struct Y: Y<dim> { }; // expected-error {{incomplete type}} expected-note {{is not complete until the closing}}
+};
+typedef X<3> X3;
+X3::Y<>::iterator it; // expected-note {{requested here}}
+}