Create specialized versions of getInterceptor.

sdk/lib/_internal/compiler/implementation/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;
 
 class EnqueueTask extends CompilerTask {
   final Enqueuer codegen;
   final Enqueuer resolution;
 
@@ skipping 71 matching lines @@
    *
    * Invariant: [element] must be a declaration element.
    */
   void addToWorkList(Element element, [TreeElements elements]) {
     assert(invariant(element, element.isDeclaration));
     if (element.isForeign()) return;
     if (queueIsClosed) {
       if (isResolutionQueue && getCachedElements(element) != null) return;
       compiler.internalErrorOnElement(element, "Work list is closed.");
     }
-    if (!isResolutionQueue &&
-        identical(element.kind, ElementKind.GENERATIVE_CONSTRUCTOR)) {
-      registerInstantiatedClass(element.getEnclosingClass());
-    }
     if (elements == null) {
       elements = getCachedElements(element);
     }
     if (isResolutionQueue) {
       compiler.world.registerUsedElement(element);
     }
 
     queue.add(new WorkItem(element, elements, itemCompilationContextCreator()));
 
     // Enable runtime type support if we discover a getter called runtimeType.
@@ skipping 26 matching lines @@
    */
   void eagerRecompile(Element element) {
     assert(invariant(element, element.isDeclaration));
     universe.generatedCode.remove(element);
     universe.generatedBailoutCode.remove(element);
     addToWorkList(element);
   }
 
   void registerInstantiatedClass(ClassElement cls) {
     if (universe.instantiatedClasses.contains(cls)) return;
-    universe.instantiatedClasses.add(cls);
-    onRegisterInstantiatedClass(cls);
+    if (!cls.isAbstract(compiler)) {
+      universe.instantiatedClasses.add(cls);
+      onRegisterInstantiatedClass(cls);
+    }
     compiler.backend.registerInstantiatedClass(cls, this);
   }
 
   bool checkNoEnqueuedInvokedInstanceMethods() {
     task.measure(() {
       // Run through the classes and see if we need to compile methods.
       for (ClassElement classElement in universe.instantiatedClasses) {
         for (ClassElement currentClass = classElement;
              currentClass != null;
              currentClass = currentClass.superclass) {
@@ skipping 244 matching lines @@
 
   String toString() => 'Enqueuer($name)';
 
   void logSummary(log(message)) {
     log(isResolutionQueue
         ? 'Resolved ${resolvedElements.length} elements.'
         : 'Compiled ${universe.generatedCode.length} methods.');
     nativeEnqueuer.logSummary(log);
   }
 }