Handle labelled continue statements

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

 // Copyright (c) 2016, 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.
 
 library dart2js.serialization.resolved_ast;
 
 import 'package:front_end/src/fasta/parser.dart' show Parser, ParserError;
 import 'package:front_end/src/fasta/scanner.dart';
 
 import '../common.dart';
@@ skipping 191 matching lines @@
       List<int> labelIdList = <int>[];
       for (LabelDefinition label in jumpTarget.labels) {
         labelIdList.add(getLabelDefinitionId(label));
       }
       encoder.setInts(Key.LABELS, labelIdList);
     }
   }
 
   /// Serialize [label] into [encoder].
   void serializeLabelDefinition(
-      LabelDefinition labelDefinition, ObjectEncoder encoder) {
+      LabelDefinitionX labelDefinition, ObjectEncoder encoder) {
     encoder.setInt(Key.NODE, nodeIndices[labelDefinition.label]);
     encoder.setString(Key.NAME, labelDefinition.labelName);
     encoder.setBool(Key.IS_BREAK_TARGET, labelDefinition.isBreakTarget);
     encoder.setBool(Key.IS_CONTINUE_TARGET, labelDefinition.isContinueTarget);
     encoder.setInt(Key.JUMP_TARGET, getJumpTargetId(labelDefinition.target));
   }
 
   /// Computes the [ListEncoder] for serializing data for nodes.
   ListEncoder get nodeDataEncoder {
     if (_nodeDataEncoder == null) {
@@ skipping 486 matching lines @@
         }
       }
     }
     element.resolvedAst =
         new ParsedResolvedAst(element, root, body, elements, uri);
   }
 }
 
 const Key PARAMETER_NODE = const Key('parameter.node');
 const Key PARAMETER_INITIALIZER = const Key('parameter.initializer');