Expose default constructors through ClassElement.localMembers.

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

Index: dart/sdk/lib/_internal/compiler/implementation/compiler.dart
diff --git a/dart/sdk/lib/_internal/compiler/implementation/compiler.dart b/dart/sdk/lib/_internal/compiler/implementation/compiler.dart
index 04191ab114fad3f1f794c6f44c85d6ceb838b783..9c154d5f4cfc8c0e544afd8a0f8540c9c588bbf8 100644
--- a/dart/sdk/lib/_internal/compiler/implementation/compiler.dart
+++ b/dart/sdk/lib/_internal/compiler/implementation/compiler.dart
@@ -913,7 +913,13 @@ abstract class Compiler implements DiagnosticListener {
     if (element.isClass()) {
       ClassElement cls = element;
       cls.ensureResolved(this);
-      cls.forEachLocalMember(world.addToWorkList);
+      cls.forEachLocalMember((e) {
+        if (e.isSynthesized) {
+          // TODO(ahe): Work-around for http://dartbug.com/11205.
+          if (e.getLibrary().isPlatformLibrary) return;
+        }
+        world.addToWorkList(e);
+      });
       world.registerInstantiatedClass(element, globalDependencies);
     } else {
       world.addToWorkList(element);