Also support smi in load-ICs.

src/objects.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1476 matching lines @@
   MUST_USE_RESULT inline MaybeObject* GetElement(Isolate* isolate,
                                                  uint32_t index);
   // For use when we know that no exception can be thrown.
   inline Object* GetElementNoExceptionThrown(Isolate* isolate, uint32_t index);
   MUST_USE_RESULT MaybeObject* GetElementWithReceiver(Isolate* isolate,
                                                       Object* receiver,
                                                       uint32_t index);
 
   // Return the object's prototype (might be Heap::null_value()).
   Object* GetPrototype(Isolate* isolate);
+  Map* GetMarkerMap(Isolate* isolate);
 
   // Returns the permanent hash code associated with this object. May return
   // undefined if not yet created.
   Object* GetHash();
 
   // Returns the permanent hash code associated with this object depending on
   // the actual object type. May create and store a hash code if needed and none
   // exists.
   // TODO(rafaelw): Remove isolate parameter when objects.cc is fully
   // handlified.
@@ skipping 9016 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_