Handle labelled continue statements

pkg/compiler/lib/src/serialization/equivalence.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.
 
 /// Functions for asserting equivalence across serialization.
 
 library dart2js.serialization.equivalence;
 
 import '../closure.dart';
 import '../common/resolution.dart';
 import '../constants/expressions.dart';
 import '../constants/values.dart';
 import '../elements/resolution_types.dart';
 import '../elements/elements.dart';
 import '../elements/entities.dart';
+import '../elements/modelx.dart';
 import '../elements/jumps.dart';
 import '../elements/names.dart';
 import '../elements/types.dart';
 import '../elements/visitor.dart';
 import '../js_backend/backend_serialization.dart'
     show NativeBehaviorSerialization;
 import '../native/native.dart' show NativeBehavior;
 import '../resolution/access_semantics.dart';
 import '../resolution/send_structure.dart';
 import '../resolution/tree_elements.dart';
@@ skipping 1210 matching lines @@
             a, b, 'isBreakTarget', a.isBreakTarget, b.isBreakTarget) &&
         strategy.test(
             a, b, 'isContinueTarget', a.isContinueTarget, b.isContinueTarget) &&
         strategy.testLists(a, b, 'labels', a.labels.toList(), b.labels.toList(),
             (a, b) {
           return indices1.nodeIndices[a.label] == indices2.nodeIndices[b.label];
         });
   }
 
   bool testLabelDefinitions(Node node1, Node node2, String property,
-      LabelDefinition a, LabelDefinition b) {
+      LabelDefinitionX a, LabelDefinitionX b) {
     if (identical(a, b)) return true;
     if (a == null || b == null) return false;
     return strategy.test(a, b, 'label', indices1.nodeIndices[a.label],
             indices2.nodeIndices[b.label]) &&
         strategy.test(a, b, 'labelName', a.labelName, b.labelName) &&
         strategy.test(a, b, 'target', indices1.nodeIndices[a.target.statement],
             indices2.nodeIndices[b.target.statement]) &&
         strategy.test(
             a, b, 'isBreakTarget', a.isBreakTarget, b.isBreakTarget) &&
         strategy.test(
@@ skipping 918 matching lines @@
 }
 
 bool areMetadataAnnotationsEquivalent(
     MetadataAnnotation metadata1, MetadataAnnotation metadata2) {
   if (metadata1 == metadata2) return true;
   if (metadata1 == null || metadata2 == null) return false;
   return areElementsEquivalent(
           metadata1.annotatedElement, metadata2.annotatedElement) &&
       areConstantsEquivalent(metadata1.constant, metadata2.constant);
 }