What luck! Clang obtains support for refering to members of the

current instantiation when that current instantiation is a class
template partial specialization.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@77609 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Sema/SemaCXXScopeSpec.cpp

@@ -189,7 +189,8 @@ CXXRecordDecl *Sema::getCurrentInstantiationOf(NestedNameSpecifier *NNS) {
     //        list of the partial specialization enclosed in <>. If
     //        the nth template parameter is a parameter pack, the nth
     //        template argument is a pack expansion (14.6.3) whose
-    //        pattern is the name of the parameter pack. (FIXME)
+    //        pattern is the name of the parameter pack. 
+    //        (FIXME: parameter packs)
     //
     // All of these options come down to having the
     // nested-name-specifier type that is equivalent to the

test/SemaTemplate/current-instantiation.cpp

@@ -69,3 +69,76 @@ struct X0 {
     void g8(typename ::X0<typename X0<T_type, U>::X1::my_T_type, U_type>::X1::my_T_type&); // expected-error{{redecl}}
   };
 };
+
+
+template<typename T, typename U>
+struct X0<T*, U*> {
+  typedef T T_type;
+  typedef U U_type;
+  typedef T* Tptr;
+  typedef U* Uptr;
+  
+  void f0(T&); // expected-note{{previous}}
+  void f0(typename X0::U_type&);
+  void f0(typename X0::T_type&); // expected-error{{redecl}}
+  
+  void f1(T&); // expected-note{{previous}}
+  void f1(typename X0::U_type&);
+  void f1(typename X0<T*, U*>::T_type&); // expected-error{{redecl}}
+  
+  void f2(T&); // expected-note{{previous}}
+  void f2(typename X0::U_type&);
+  void f2(typename X0<T_type*, U_type*>::T_type&); // expected-error{{redecl}}
+  
+  void f3(T&); // expected-note{{previous}}
+  void f3(typename X0::U_type&);
+  void f3(typename ::X0<T_type*, U_type*>::T_type&); // expected-error{{redecl}}
+
+  void f4(T&); // expected-note{{previous}}
+  void f4(typename X0::U_type&);
+  void f4(typename ::X0<Tptr, Uptr>::T_type&); // expected-error{{redecl}}
+  
+  void f5(X0*); // expected-note{{previous}}
+  void f5(::X0<T, U>*);
+  void f5(::X0<T*, U*>*); // expected-error{{redecl}}
+  
+  struct X2 {
+    typedef T my_T_type;
+    
+    void g0(T&); // expected-note{{previous}}
+    void g0(typename X0::U_type&);
+    void g0(typename X0::T_type&); // expected-error{{redecl}}
+    
+    void g1(T&); // expected-note{{previous}}
+    void g1(typename X0::U_type&);
+    void g1(typename X0<T*, U*>::T_type&); // expected-error{{redecl}}
+    
+    void g2(T&); // expected-note{{previous}}
+    void g2(typename X0::U_type&);
+    void g2(typename X0<T_type*, U_type*>::T_type&); // expected-error{{redecl}}
+    
+    void g3(T&); // expected-note{{previous}}
+    void g3(typename X0::U_type&);
+    void g3(typename ::X0<T_type*, U_type*>::T_type&); // expected-error{{redecl}}
+    
+    void g4(T&); // expected-note{{previous}}
+    void g4(typename X0::U_type&);
+    void g4(typename X2::my_T_type&); // expected-error{{redecl}}
+    
+    void g5(T&); // expected-note{{previous}}
+    void g5(typename X0::U_type&);
+    void g5(typename X0::X2::my_T_type&); // expected-error{{redecl}}
+    
+    void g6(T&); // expected-note{{previous}}
+    void g6(typename X0::U_type&);
+    void g6(typename X0<T*, U*>::X2::my_T_type&); // expected-error{{redecl}}
+    
+    void g7(T&); // expected-note{{previous}}
+    void g7(typename X0::U_type&);
+    void g7(typename ::X0<typename X2::my_T_type*, U_type*>::X2::my_T_type&); // expected-error{{redecl}}
+    
+    void g8(T&); // expected-note{{previous}}
+    void g8(typename X0<U, T_type>::T_type&);
+    void g8(typename ::X0<typename X0<T_type*, U*>::X2::my_T_type*, U_type*>::X2::my_T_type&); // expected-error{{redecl}}
+  };
+};