Revert change to always call builtins for Array functions....

src/stub-cache.cc

Index: src/stub-cache.cc
===================================================================
--- src/stub-cache.cc	(revision 4073)
+++ src/stub-cache.cc	(working copy)
@@ -435,6 +435,14 @@
                                     argc);
   Object* code = map->FindInCodeCache(name, flags);
   if (code->IsUndefined()) {
+    if (object->IsJSObject()) {
+      Object* opt =
+          Top::LookupSpecialFunction(JSObject::cast(object), holder, function);
+      if (opt->IsJSFunction()) {
+        check = StubCompiler::JSARRAY_HAS_FAST_ELEMENTS_CHECK;
+        function = JSFunction::cast(opt);
+      }
+    }
     // If the function hasn't been compiled yet, we cannot do it now
     // because it may cause GC. To avoid this issue, we return an
     // internal error which will make sure we do not update any