Revert of [compiler] Support Object.create(null) inlining in TF

src/objects.cc

Index: src/objects.cc
diff --git a/src/objects.cc b/src/objects.cc
index c052987896cc908ef456ae21f984fd06890aa27d..bef1046fc16a0c00723d1e0a7c36f54cb3852a66 100644
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -4705,36 +4705,6 @@
   map->UpdateDescriptors(*new_descriptors, layout_descriptor);
 }
 
-// static
-Handle<Map> Map::GetObjectCreateMap(Handle<HeapObject> prototype) {
-  Isolate* isolate = prototype->GetIsolate();
-  Handle<Map> map(isolate->native_context()->object_function()->initial_map(),
-                  isolate);
-  if (map->prototype() == *prototype) return map;
-  if (prototype->IsNull(isolate)) {
-    return isolate->slow_object_with_null_prototype_map();
-  }
-  if (prototype->IsJSObject()) {
-    Handle<JSObject> js_prototype = Handle<JSObject>::cast(prototype);
-    if (!js_prototype->map()->is_prototype_map()) {
-      JSObject::OptimizeAsPrototype(js_prototype, FAST_PROTOTYPE);
-    }
-    Handle<PrototypeInfo> info =
-        Map::GetOrCreatePrototypeInfo(js_prototype, isolate);
-    // TODO(verwaest): Use inobject slack tracking for this map.
-    if (info->HasObjectCreateMap()) {
-      map = handle(info->ObjectCreateMap(), isolate);
-    } else {
-      map = Map::CopyInitialMap(map);
-      Map::SetPrototype(map, prototype, FAST_PROTOTYPE);
-      PrototypeInfo::SetObjectCreateMap(info, map);
-    }
-    return map;
-  }
-
-  return Map::TransitionToPrototype(map, prototype, REGULAR_PROTOTYPE);
-}
-
 template <class T>
 static int AppendUniqueCallbacks(Handle<TemplateList> callbacks,
                                  Handle<typename T::Array> array,
@@ -8232,8 +8202,8 @@
   // Wrapped string elements aren't explicitly stored in the elements backing
   // store, but are loaded indirectly from the underlying string.
   return !IsStringWrapperElementsKind(elements_kind()) &&
-         !IsSpecialReceiverMap() && !has_hidden_prototype() &&
-         !is_dictionary_map();
+         instance_type() > LAST_SPECIAL_RECEIVER_TYPE &&
+         !has_hidden_prototype() && !is_dictionary_map();
 }
 
 MUST_USE_RESULT Maybe<bool> FastGetOwnValuesOrEntries(