Use DescriptorArray when checking if an object has a property

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index f1309ece199a5d5d2556506cf96d7bddb03cb135..e6c49f34175e4d5a35937401528152fa209058b7 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -7006,6 +7006,22 @@ Maybe<bool> JSReceiver::HasProperty(Handle<JSReceiver> object,
     return JSProxy::HasPropertyWithHandler(proxy, name);
   }
 
+  DescriptorArray* desc;
+  PrototypeIterator iter(object->GetIsolate(), *object,
+      PrototypeIterator::START_AT_RECEIVER);
+  while (!iter.IsAtEnd()) {
+    if (iter.GetCurrent()->IsJSObject()) {
+      JSReceiver* prototype_object = JSReceiver::cast(iter.GetCurrent());
+      desc = prototype_object->map()->instance_descriptors();
+      if (!desc->IsEmpty()) {
+        int there = desc->SearchWithCache(*name, prototype_object->map());
+        if (there != desc->kNotFound)
+          return Just(true);
+      }
+    }
+    iter.Advance();
+  }
+
   Maybe<PropertyAttributes> result = GetPropertyAttributes(object, name);
   return result.IsJust() ? Just(result.FromJust() != ABSENT) : Nothing<bool>();
 }