Check closure data for serialization

pkg/compiler/lib/src/serialization/modelz.dart

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 /// Implementation of the element model used for deserialiation.
 ///
 /// These classes are created by [ElementDeserializer] triggered by the
 /// [Deserializer].
 
 library dart2js.serialization.modelz;
@@ skipping 64 matching lines @@
   @override
   bool get isAbstract => false;
 
   @override
   bool get isClassMember => false;
 
   @override
   bool get isClosure => false;
 
   @override
-  bool get isConst => _unsupported('isConst');
+  bool get isConst => false;
 
   @override
   bool get isDeferredLoaderGetter => false;
 
   @override
-  bool get isFinal => _unsupported('isFinal');
+  bool get isFinal => false;
 
   @override
   bool get isInstanceMember => false;
 
   @override
   bool get isLocal => false;
 
   @override
   bool get isMixinApplication => false;
 
@@ skipping 1797 matching lines @@
 class LocalParameterElementZ extends ParameterElementZ
     implements LocalParameterElement {
   LocalParameterElementZ(ObjectDecoder decoder) : super(decoder);
 
   @override
   accept(ElementVisitor visitor, arg) {
     return visitor.visitParameterElement(this, arg);
   }
 
   @override
+  bool get isLocal => true;
+
+  @override
   ElementKind get kind => ElementKind.PARAMETER;
 }
 
 class InitializingFormalElementZ extends ParameterElementZ
     implements InitializingFormalElement {
   FieldElement _fieldElement;
 
   InitializingFormalElementZ(ObjectDecoder decoder) : super(decoder);
 
   @override
@@ skipping 187 matching lines @@
   }
 
   @override
   ElementKind get kind => ElementKind.PREFIX;
 
   @override
   Element lookupLocalMember(String memberName) {
     return _unsupported('lookupLocalMember');
   }
 }