Preparse lazy function parameters

src/ast/variables.h

Index: src/ast/variables.h
diff --git a/src/ast/variables.h b/src/ast/variables.h
index afde9c507c3263e8991a5891a18ece1762fb5051..6098f7bc7094ea8d6f27212a70149ad958fe36d9 100644
--- a/src/ast/variables.h
+++ b/src/ast/variables.h
@@ -155,9 +155,6 @@ class Variable final : public ZoneObject {
                           2> {};
   Variable** next() { return &next_; }
   friend List;
-  // To reset next to nullptr upon resetting after preparsing.
-  // TODO(verwaest): Remove once we properly preparse parameters.
-  friend class DeclarationScope;
 };
 }  // namespace internal
 }  // namespace v8