Fix a pretty bad bug of a class inheriting a patched class. The fix is

sdk/lib/_internal/compiler/implementation/resolution/members.dart

 // Copyright (c) 2012, 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.
 
 part of resolution;
 
 abstract class TreeElements {
   Element get currentElement;
   Set<Node> get superUses;
 
@@ skipping 2542 matching lines @@
     }
     if (cls.isAbstract(compiler)) {
       compiler.backend.registerAbstractClassInstantiation(mapping);
     }
     // [cls] might be the declaration element and we want to include injected
     // members.
     cls.implementation.forEachInstanceField(
         (ClassElement enclosingClass, Element member) {
           world.addToWorkList(member);
         },
-        includeBackendMembers: false,
-        includeSuperMembers: true);
+        includeSuperAndInjectedMembers: true);
 
     if (isSymbolConstructor) {
       if (node.isConst()) {
         Node argumentNode = node.send.arguments.head;
         Constant name = compiler.metadataHandler.compileNodeWithDefinitions(
             argumentNode, mapping, isConst: true);
         if (!name.isString()) {
           DartType type = name.computeType(compiler);
           compiler.reportErrorCode(argumentNode, MessageKind.STRING_EXPECTED,
                                    {'type': type});
@@ skipping 1352 matching lines @@
     return e;
   }
 
   /// Assumed to be called by [resolveRedirectingFactory].
   Element visitReturn(Return node) {
     Node expression = node.expression;
     return finishConstructorReference(visit(expression),
                                       expression, expression);
   }
 }