When clearing filled call target caches we should go back to the

src/objects.h

Index: src/objects.h
===================================================================
--- src/objects.h	(revision 19457)
+++ src/objects.h	(working copy)
@@ -8180,14 +8180,9 @@
   // The object that indicates a megamorphic state.
   static inline Handle<Object> MegamorphicSentinel(Isolate* isolate);
 
-  // The object that indicates a monomorphic state of Array with
-  // ElementsKind
-  static inline Handle<Object> MonomorphicArraySentinel(Isolate* isolate,
-      ElementsKind elements_kind);
-
-  // A raw version of the uninitialized sentinel that's safe to read during
+  // A raw version of the premonomorphic sentinel that's safe to read during
   // garbage collection (e.g., for patching the cache).
-  static inline Object* RawUninitializedSentinel(Heap* heap);
+  static inline Object* RawPremonomorphicSentinel(Heap* heap);
 
   static const int kForInFastCaseMarker = 0;
   static const int kForInSlowCaseMarker = 1;