Run closed_world2_test using the normal compiler pipeline.

pkg/compiler/lib/src/js_backend/enqueuer.dart

Index: pkg/compiler/lib/src/js_backend/enqueuer.dart
diff --git a/pkg/compiler/lib/src/js_backend/enqueuer.dart b/pkg/compiler/lib/src/js_backend/enqueuer.dart
index 255bc9e44fa4e8b8ef65f54ebeea54a96ca63431..0ae69911ceacc245678ac50fe0907f76081eb950 100644
--- a/pkg/compiler/lib/src/js_backend/enqueuer.dart
+++ b/pkg/compiler/lib/src/js_backend/enqueuer.dart
@@ -10,6 +10,7 @@ import '../common/codegen.dart' show CodegenWorkItem;
 import '../common/tasks.dart' show CompilerTask;
 import '../common/work.dart' show WorkItem;
 import '../common.dart';
+import '../common_elements.dart' show ElementEnvironment;
 import '../elements/resolution_types.dart'
     show ResolutionDartType, ResolutionInterfaceType;
 import '../elements/elements.dart' show MemberElement;
@@ -109,8 +110,9 @@ class CodegenEnqueuer extends EnqueuerImpl {
     });
   }
 
-  bool checkNoEnqueuedInvokedInstanceMethods() {
-    return strategy.checkEnqueuerConsistency(this);
+  bool checkNoEnqueuedInvokedInstanceMethods(
+      ElementEnvironment elementEnvironment) {
+    return strategy.checkEnqueuerConsistency(this, elementEnvironment);
   }
 
   void checkClass(ClassEntity cls) {