From 976ccb9224151ca2aa10a35e5ee92f4d85cd2d71 Mon Sep 17 00:00:00 2001
From: Andreas Kling <andreas@ladybird.org>
Date: Thu, 3 Apr 2025 13:47:03 +0200
Subject: [PATCH] LibJS: Add fast path for Int32 values in ToBoolean

It's not uncommon to branch on the boolean value of integers,
so let's do that on the ToBoolean fast path.
---
 Libraries/LibJS/Runtime/ValueInlines.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Libraries/LibJS/Runtime/ValueInlines.h b/Libraries/LibJS/Runtime/ValueInlines.h
index a424ab9f885..94d96701596 100644
--- a/Libraries/LibJS/Runtime/ValueInlines.h
+++ b/Libraries/LibJS/Runtime/ValueInlines.h
@@ -17,6 +17,9 @@ inline bool Value::to_boolean() const
     if (is_boolean())
         return as_bool();
 
+    if (is_int32())
+        return as_i32() != 0;
+
     return to_boolean_slow_case();
 }