Home | History | Annotate | Download | only in SemaTemplate
      1 // RUN: %clang_cc1 -fsyntax-only -verify %s
      2 
      3 namespace PR5557 {
      4 template <class T> struct A {
      5   A();
      6   virtual void anchor();
      7   virtual int a(T x);
      8 };
      9 template<class T> A<T>::A() {}
     10 template<class T> void A<T>::anchor() { }
     11 
     12 template<class T> int A<T>::a(T x) {
     13   return *x; // expected-error{{requires pointer operand}}
     14 }
     15 
     16 void f(A<int> x) {
     17   x.anchor(); // expected-note{{instantiation}}
     18 }
     19 
     20 template<typename T>
     21 struct X {
     22   virtual void f();
     23 };
     24 
     25 template<>
     26 void X<int>::f() { }
     27 }
     28 
     29 template<typename T>
     30 struct Base {
     31   virtual ~Base() {
     32     int *ptr = 0;
     33     T t = ptr; // expected-error{{cannot initialize}}
     34   }
     35 };
     36 
     37 template<typename T>
     38 struct Derived : Base<T> {
     39   virtual void foo() { }
     40 };
     41 
     42 template struct Derived<int>; // expected-note {{in instantiation of member function 'Base<int>::~Base' requested here}}
     43 
     44 template<typename T>
     45 struct HasOutOfLineKey {
     46   HasOutOfLineKey() { }
     47   virtual T *f(float *fp);
     48 };
     49 
     50 template<typename T>
     51 T *HasOutOfLineKey<T>::f(float *fp) {
     52   return fp; // expected-error{{cannot initialize return object of type 'int *' with an lvalue of type 'float *'}}
     53 }
     54 
     55 HasOutOfLineKey<int> out_of_line; // expected-note{{in instantiation of member function 'HasOutOfLineKey<int>::f' requested here}}
     56 
     57 namespace std {
     58   class type_info;
     59 }
     60 
     61 namespace PR7114 {
     62   class A { virtual ~A(); }; // expected-note{{declared private here}}
     63 
     64   template<typename T>
     65   class B {
     66   public:
     67     class Inner : public A { }; // expected-error{{base class 'PR7114::A' has private destructor}}
     68     static Inner i;
     69     static const unsigned value = sizeof(i) == 4;
     70   };
     71 
     72   int f() { return B<int>::value; }
     73 
     74   void test_typeid(B<float>::Inner bfi) {
     75     (void)typeid(bfi); // expected-note{{implicit destructor}}
     76   }
     77 
     78   template<typename T>
     79   struct X : A {
     80     void f() { }
     81   };
     82 
     83   void test_X(X<int> xi, X<float> xf) {
     84     xi.f();
     85   }
     86 }
     87 
     88 namespace DynamicCast {
     89   struct Y {};
     90   template<typename T> struct X : virtual Y {
     91     virtual void foo() { T x; } // expected-error {{variable has incomplete type 'void'}}
     92   };
     93   template<typename T> struct X2 : virtual Y {
     94     virtual void foo() { T x; }
     95   };
     96   Y* f(X<void>* x) { return dynamic_cast<Y*>(x); } // expected-note {{in instantiation of member function 'DynamicCast::X<void>::foo' requested here}}
     97   Y* f2(X<void>* x) { return dynamic_cast<Y*>(x); }
     98 }
     99