Fix incremental parsing when class name is changed.

pkg/analyzer/lib/src/generated/parser.dart

 // Copyright (c) 2014, 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.
 
 // This code was auto-generated, is not intended to be edited, and is subject to
 // significant change. Please see the README file for more information.
 
 library engine.parser;
 
 import "dart:math" as math;
@@ skipping 821 matching lines @@
     return _notAChild(node);
   }
 
   @override
   AstNode visitClassDeclaration(ClassDeclaration node) {
     if (identical(_oldNode, node.documentationComment)) {
       throw new InsufficientContextException();
     } else if (node.metadata.contains(_oldNode)) {
       return _parser.parseAnnotation();
     } else if (identical(_oldNode, node.name)) {
-      return _parser.parseSimpleIdentifier();
+      // Changing the class name changes whether a member is interpreted as a
+      // constructor or not, so we'll just have to re-parse the entire class.
+      throw new InsufficientContextException();
     } else if (identical(_oldNode, node.typeParameters)) {
       return _parser.parseTypeParameterList();
     } else if (identical(_oldNode, node.extendsClause)) {
       return _parser.parseExtendsClause();
     } else if (identical(_oldNode, node.withClause)) {
       return _parser.parseWithClause();
     } else if (identical(_oldNode, node.implementsClause)) {
       return _parser.parseImplementsClause();
     } else if (node.members.contains(_oldNode)) {
       ClassMember member = _parser.parseClassMember(node.name.name);
@@ skipping 11165 matching lines @@
    * Copy resolution data from one node to another.
    *
    * @param fromNode the node from which resolution information will be copied
    * @param toNode the node to which resolution information will be copied
    */
   static void copyResolutionData(AstNode fromNode, AstNode toNode) {
     ResolutionCopier copier = new ResolutionCopier();
     copier._isEqualNodes(fromNode, toNode);
   }
 }