Add a FriendClassDecl type for holding declarations of friend types in 
the AST, and create such declarations.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78719 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/DeclBase.cpp b/lib/AST/DeclBase.cpp
index 0f7c4dc..8296f29 100644
--- a/lib/AST/DeclBase.cpp
+++ b/lib/AST/DeclBase.cpp
@@ -199,6 +199,7 @@
     case ObjCCompatibleAlias:
       return IDNS_Ordinary;
 
+    case FriendClass:
     case FriendFunction:
       return IDNS_Friend;