Make sure that constructor bodies are added to the resolver

lib/compiler/implementation/enqueue.dart

Index: lib/compiler/implementation/enqueue.dart
diff --git a/lib/compiler/implementation/enqueue.dart b/lib/compiler/implementation/enqueue.dart
index 5fa39ca52f0db5e9f228fa14782305eb535f8635..7bb1ce4e777d23a647112c7c84d152b76558348d 100644
--- a/lib/compiler/implementation/enqueue.dart
+++ b/lib/compiler/implementation/enqueue.dart
@@ -28,11 +28,8 @@ class RecompilationQueue {
 
   void add(Element element, TreeElements elements) {
     if (queueElements.contains(element)) return;
-    // TODO(sgjesse): Make this handle constructor bodies as well.
-    if (element.kind !== ElementKind.GENERATIVE_CONSTRUCTOR_BODY) {
-      queueElements.add(element);
-      queue.add(new WorkItem(element, elements));
-    }
+    queueElements.add(element);
+    queue.add(new WorkItem(element, elements));
   }
 
   int get length() => queue.length;