Register instantiated types instead of instantiated classes in the resolver.

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

Index: sdk/lib/_internal/compiler/implementation/enqueue.dart
diff --git a/sdk/lib/_internal/compiler/implementation/enqueue.dart b/sdk/lib/_internal/compiler/implementation/enqueue.dart
index 9dc052b8f3e02bba3d905038608bf356762a5f41..32c71ab01c313d1c8a9df0b1df0a367e058b0ba9 100644
--- a/sdk/lib/_internal/compiler/implementation/enqueue.dart
+++ b/sdk/lib/_internal/compiler/implementation/enqueue.dart
@@ -87,11 +87,9 @@ abstract class Enqueuer {
   bool addElementToWorkList(Element element, [TreeElements elements]);
 
   void registerInstantiatedType(InterfaceType type) {
+    ClassElement cls = type.element;
+    cls.ensureResolved(compiler);
     universe.instantiatedTypes.add(type);
-    registerInstantiatedClass(type.element);
-  }
-
-  void registerInstantiatedClass(ClassElement cls) {
     if (universe.instantiatedClasses.contains(cls)) return;
     if (!cls.isAbstract(compiler)) {
       universe.instantiatedClasses.add(cls);
@@ -100,6 +98,11 @@ abstract class Enqueuer {
     compiler.backend.registerInstantiatedClass(cls, this);
   }
 
+  void registerInstantiatedClass(ClassElement cls) {
+    cls.ensureResolved(compiler);
+    registerInstantiatedType(cls.rawType);
+  }
+
   bool checkNoEnqueuedInvokedInstanceMethods() {
     task.measure(() {
       // Run through the classes and see if we need to compile methods.