Introduces the new syntax for deferred loading

sdk/lib/_internal/compiler/implementation/dart_backend/placeholder_collector.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 dart_backend;
 
 class LocalPlaceholder {
   final String identifier;
   final Set<Node> nodes;
   LocalPlaceholder(this.identifier) : nodes = new Set<Node>();
@@ skipping 95 matching lines @@
 
   visitAssert(node) {
     visitStaticSend(node);
   }
 
   visitStaticSend(Send node) {
     final element = elements[node];
     collector.backend.registerStaticSend(element, node);
 
     if (Elements.isUnresolved(element)
-        || identical(element, compiler.assertMethod)) {
+        || identical(element, compiler.assertMethod)
+        || element.isDeferredLoaderGetter()) {
       return;
     }
     if (element.isConstructor() || element.isFactoryConstructor()) {
       // Rename named constructor in redirection position:
       // class C { C.named(); C.redirecting() : this.named(); }
       if (node.receiver is Identifier
           && node.receiver.asIdentifier().isThis()) {
         assert(node.selector is Identifier);
         collector.makeRedirectingConstructorPlaceholder(node.selector, element);
       }
@@ skipping 506 matching lines @@
 
   visitBlock(Block node) {
     for (Node statement in node.statements.nodes) {
       if (statement is VariableDefinitions) {
         makeVarDeclarationTypePlaceholder(statement);
       }
     }
     node.visitChildren(this);
   }
 }