Register closures using StaticUse.

pkg/compiler/lib/src/enqueue.dart

Index: pkg/compiler/lib/src/enqueue.dart
diff --git a/pkg/compiler/lib/src/enqueue.dart b/pkg/compiler/lib/src/enqueue.dart
index 878898901aba49ba6a578f5d85432b67fa733d21..a7a191e52e2bbe5432cbaefbebbd6ceec8437015 100644
--- a/pkg/compiler/lib/src/enqueue.dart
+++ b/pkg/compiler/lib/src/enqueue.dart
@@ -170,7 +170,6 @@ abstract class Enqueuer {
     worldImpact.dynamicUses.forEach(registerDynamicUse);
     worldImpact.staticUses.forEach(registerStaticUse);
     worldImpact.typeUses.forEach(registerTypeUse);
-    worldImpact.closures.forEach(registerClosure);
   }
 
   void registerInstantiatedType(InterfaceType type,
@@ -632,6 +631,9 @@ abstract class Enqueuer {
         // [FIELD_SET] contains [BoxFieldElement]s which we cannot enqueue.
         addElement = false;
         break;
+      case StaticUseKind.CLOSURE:

[sigurdm, 2015/11/11 11:19:02]

Merge with previous 2 cases?

[Johnni Winther, 2015/11/11 18:34:02]

Done.

+        addElement = false;
+        break;
       case StaticUseKind.SUPER_TEAR_OFF:
       case StaticUseKind.GENERAL:
         break;
@@ -688,10 +690,6 @@ abstract class Enqueuer {
     universe.closurizedMembers.add(element);
   }
 
-  void registerClosure(LocalFunctionElement element) {
-    universe.allClosures.add(element);
-  }
-
   void forEach(void f(WorkItem work)) {
     do {
       while (queue.isNotEmpty) {