From 2864cb66c06fbc98953ecc28849323113e08582c Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Sun, 4 Oct 2020 22:42:24 +0200
Subject: [PATCH] LibJS: Avoid an unnecessary MarkedValueList copy in
 VM::call_internal()

---
 Libraries/LibJS/Runtime/VM.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Libraries/LibJS/Runtime/VM.cpp b/Libraries/LibJS/Runtime/VM.cpp
index 5791c30b83e..24b13cb6cc6 100644
--- a/Libraries/LibJS/Runtime/VM.cpp
+++ b/Libraries/LibJS/Runtime/VM.cpp
@@ -309,7 +309,7 @@ Value VM::call_internal(Function& function, Value this_value, Optional<MarkedVal
     call_frame.this_value = function.bound_this().value_or(this_value);
     call_frame.arguments = function.bound_arguments();
     if (arguments.has_value())
-        call_frame.arguments.append(arguments.value().values());
+        call_frame.arguments.append(move(arguments.release_value().values()));
     call_frame.environment = function.create_environment();
 
     ASSERT(call_frame.environment->this_binding_status() == LexicalEnvironment::ThisBindingStatus::Uninitialized);