Create erroneous element when resolution of initializer fails.

dart/pkg/compiler/lib/src/enqueue.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 dart2js;
 
 typedef ItemCompilationContext ItemCompilationContextCreator();
 
 class EnqueueTask extends CompilerTask {
   final ResolutionEnqueuer resolution;
@@ skipping 679 matching lines @@
    * During resolution, we have to resort to matching elements against the
    * [MirrorsUsed] pattern, as we do not have a complete picture of the world,
    * yet.
    */
   bool shouldIncludeElementDueToMirrors(Element element,
                                         {bool includedEnclosing}) {
     return includedEnclosing || compiler.backend.requiredByMirrorSystem(element);
   }
 
   bool internalAddToWorkList(Element element) {
+    if (element.isErroneous) return false;
     assert(invariant(element, element is AnalyzableElement,
         message: 'Element $element is not analyzable.'));
     if (hasBeenResolved(element)) return false;
     if (queueIsClosed) {
       throw new SpannableAssertionFailure(element,
           "Resolution work list is closed. Trying to add $element.");
     }
 
     compiler.world.registerUsedElement(element);
 
@@ skipping 197 matching lines @@
   void processWorkItem(void f(WorkItem work), WorkItem work) {
     f(work);
   }
 }
 
 void removeFromSet(Map<String, Set<Element>> map, Element element) {
   Set<Element> set = map[element.name];
   if (set == null) return;
   set.remove(element);
 }