clang/test/SemaCXX/vtable-instantiation.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -verify %s
   2
   3 namespace PR8640 {
   4   template<class T1> struct C1 {
   5     virtual void c1() {
   6       T1 t1 = 3;  // expected-error {{cannot initialize a variable}}
   7     }
   8   };
   9
  10   template<class T2> struct C2 {
  11     void c2() {
  12       new C1<T2>();  // expected-note {{in instantiation of member function}}
  13     }
  14   };
  15
  16   void f() {
  17     C2<int*> c2;
  18     c2.c2();  // expected-note {{in instantiation of member function}}
  19   }
  20 }
  21
  22 namespace PR9325 {
  23   template<typename T>
  24   class Target
  25   {
  26   public:
  27     virtual T Value() const
  28     {
  29       return 1; // expected-error{{cannot initialize return object of type 'int *' with an rvalue of type 'int'}}
  30     }
  31   };
  32
  33   template<typename T>
  34   struct Provider
  35   {
  36     static Target<T> Instance;
  37   };
  38
  39   template<typename T>
  40   Target<T> Provider<T>::Instance; // expected-note{{in instantiation of}}
  41
  42   void f()
  43   {
  44     Target<int*>* traits = &Provider<int*>::Instance; // expected-note{{requested here}}
  45   }
  46 }
  47
  48 namespace PR10020 {
  49   struct MG {
  50     virtual void Accept(int) = 0;
  51   };
  52
  53   template <typename Type>
  54   struct GMG : MG {
  55     void Accept(int i) {
  56       static_cast<Type *>(0)->Accept(i); // expected-error{{member reference base}}
  57     }
  58     static GMG* Method() { return &singleton; } // expected-note{{in instantiation of}}
  59     static GMG singleton;
  60   };
  61
  62   template <typename Type>
  63   GMG<Type> GMG<Type>::singleton; // expected-note{{requested here}}
  64
  65   void test(void) {
  66     GMG<int>::Method(); // expected-note{{in instantiation of}}
  67   }
  68 }