From 148c4161d9d181fbb65d96a7240e4cc267347d10 Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Mon, 5 Oct 2020 20:48:26 +0200
Subject: [PATCH] LibJS: Avoid work in Shape::lookup() if there are no
 properties

---
 Libraries/LibJS/Runtime/Shape.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Libraries/LibJS/Runtime/Shape.cpp b/Libraries/LibJS/Runtime/Shape.cpp
index d30c701c60..741e00e322 100644
--- a/Libraries/LibJS/Runtime/Shape.cpp
+++ b/Libraries/LibJS/Runtime/Shape.cpp
@@ -114,6 +114,8 @@ void Shape::visit_children(Cell::Visitor& visitor)
 
 Optional<PropertyMetadata> Shape::lookup(const StringOrSymbol& property_name) const
 {
+    if (m_property_count == 0)
+        return {};
     auto property = property_table().get(property_name);
     if (!property.has_value())
         return {};