From f290048662d077d843079ff21277d77bf0f79341 Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Sun, 6 Jun 2021 11:40:41 +0200
Subject: [PATCH] LibJS: Pass unwinding target labels a bit more efficiently

Use const reference or move semantics when passing these labels.
---
 Userland/Libraries/LibJS/Runtime/VM.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Userland/Libraries/LibJS/Runtime/VM.h b/Userland/Libraries/LibJS/Runtime/VM.h
index 481aec676a5..74c2bd96d51 100644
--- a/Userland/Libraries/LibJS/Runtime/VM.h
+++ b/Userland/Libraries/LibJS/Runtime/VM.h
@@ -166,14 +166,14 @@ public:
     void unwind(ScopeType type, FlyString label = {})
     {
         m_unwind_until = type;
-        m_unwind_until_label = label;
+        m_unwind_until_label = move(label);
     }
     void stop_unwind()
     {
         m_unwind_until = ScopeType::None;
         m_unwind_until_label = {};
     }
-    bool should_unwind_until(ScopeType type, FlyString label = {}) const
+    bool should_unwind_until(ScopeType type, FlyString const& label) const
     {
         if (m_unwind_until_label.is_null())
             return m_unwind_until == type;