Handle redirects to unresolved redirects

pkg/compiler/lib/src/serialization/element_serialization.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.
 
 library dart2js.serialization.elements;
 
 import '../common.dart';
 import '../common/names.dart';
 import '../constants/constructors.dart';
 import '../constants/expressions.dart';
@@ skipping 436 matching lines @@
         encoder.setBool(Key.IS_REDIRECTING, element.isRedirectingGenerative);
       }
       encoder.setElement(Key.EFFECTIVE_TARGET, element.effectiveTarget);
       if (kind == SerializedElementKind.REDIRECTING_FACTORY_CONSTRUCTOR) {
         encoder.setType(
             Key.EFFECTIVE_TARGET_TYPE,
             element
                 .computeEffectiveTargetType(element.enclosingClass.thisType));
         encoder.setElement(Key.IMMEDIATE_REDIRECTION_TARGET,
             element.immediateRedirectionTarget);
+        encoder.setBool(Key.EFFECTIVE_TARGET_IS_MALFORMED,
+            element.isEffectiveTargetMalformed);
         if (element.redirectionDeferredPrefix != null) {
           encoder.setElement(Key.PREFIX, element.redirectionDeferredPrefix);
         }
       }
     }
   }
 }
 
 class FieldSerializer implements ElementSerializer {
   const FieldSerializer();
@@ skipping 377 matching lines @@
         return new LocalVariableElementZ(decoder);
       case SerializedElementKind.EXTERNAL_LIBRARY:
       case SerializedElementKind.EXTERNAL_LIBRARY_MEMBER:
       case SerializedElementKind.EXTERNAL_CLASS_MEMBER:
       case SerializedElementKind.EXTERNAL_CONSTRUCTOR:
         break;
     }
     throw new UnsupportedError("Unexpected element kind '${elementKind}.");
   }
 }