Fix a bug in getFriendObjectKind where we would clear out all mask bits except IDNS_TagFriend and IDNS_OrdinaryFriend but then check for IDNS_Tag and IDNS_Ordinary.

llvm-svn: 81730

clang/include/clang/AST/DeclBase.h

@@ -443,7 +443,8 @@ public:
     unsigned mask
       = (IdentifierNamespace & (IDNS_TagFriend | IDNS_OrdinaryFriend));
     if (!mask) return FOK_None;
-    return (mask & (IDNS_Tag | IDNS_Ordinary) ? FOK_Declared : FOK_Undeclared);
+    return (IdentifierNamespace & (IDNS_Tag | IDNS_Ordinary) ? 
+              FOK_Declared : FOK_Undeclared);
   }
 
   // Implement isa/cast/dyncast/etc.

clang/test/SemaTemplate/friend.cpp

@@ -0,0 +1,10 @@
+// RUN: clang-cc -fsyntax-only -verify %s
+template<typename T> struct A {
+  struct B { };
+  
+  friend struct B;
+};
+
+void f() {
+  A<int>::B b;
+}