Revert of [KeyedLoadIC] Support Smi "handlers" for element loads

src/ic/ic.cc

Index: src/ic/ic.cc
diff --git a/src/ic/ic.cc b/src/ic/ic.cc
index d92d22df40eb71fb14c3fdd53b9645d6226a661e..6e647ced4bab34c3e83fce9fdf497a183bc6501b 100644
--- a/src/ic/ic.cc
+++ b/src/ic/ic.cc
@@ -1328,7 +1328,7 @@
   TargetMaps(&target_receiver_maps);
 
   if (target_receiver_maps.length() == 0) {
-    Handle<Object> handler =
+    Handle<Code> handler =
         ElementHandlerCompiler::GetKeyedLoadHandler(receiver_map, isolate());
     return ConfigureVectorState(Handle<Name>(), receiver_map, handler);
   }
@@ -1357,7 +1357,7 @@
       IsMoreGeneralElementsKindTransition(
           target_receiver_maps.at(0)->elements_kind(),
           Handle<JSObject>::cast(receiver)->GetElementsKind())) {
-    Handle<Object> handler =
+    Handle<Code> handler =
         ElementHandlerCompiler::GetKeyedLoadHandler(receiver_map, isolate());
     return ConfigureVectorState(Handle<Name>(), receiver_map, handler);
   }