Re-enable ICs for loads and calls that skips a global object during...

src/objects.h

Index: src/objects.h
===================================================================
--- src/objects.h	(revision 2423)
+++ src/objects.h	(working copy)
@@ -3240,6 +3240,9 @@
   // Retrieve the property cell used to store a property.
   Object* GetPropertyCell(LookupResult* result);
 
+  // Ensure that the global object has a cell for the given property name.
+  Object* EnsurePropertyCell(String* name);
+
   // Casting.
   static inline GlobalObject* cast(Object* obj);