From 326ddd9ff0c3005f794129534e75774ef678b6c9 Mon Sep 17 00:00:00 2001
From: ExE Boss <3889017+ExE-Boss@users.noreply.github.com>
Date: Sun, 7 Mar 2021 15:00:00 +0100
Subject: [PATCH] =?UTF-8?q?lib:=20inline=C2=A0`Array`=C2=A0operations=20in?=
 =?UTF-8?q?=C2=A0`FreeList`=C2=A0methods?=
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Co-authored-by: Antoine du Hamel <duhamelantoine1995@gmail.com>
---
 lib/internal/freelist.js | 24 ++++++++++++++++++------
 1 file changed, 18 insertions(+), 6 deletions(-)

diff --git a/lib/internal/freelist.js b/lib/internal/freelist.js
index ac2b12c4d45a54..d53d6df7b34e7e 100644
--- a/lib/internal/freelist.js
+++ b/lib/internal/freelist.js
@@ -1,6 +1,7 @@
 'use strict';
 
 const {
+  ObjectSetPrototypeOf,
   ReflectApply,
 } = primordials;
 
@@ -9,18 +10,29 @@ class FreeList {
     this.name = name;
     this.ctor = ctor;
     this.max = max;
-    this.list = [];
+    this.list = ObjectSetPrototypeOf([], null);
   }
 
   alloc() {
-    return this.list.length > 0 ?
-      this.list.pop() :
-      ReflectApply(this.ctor, this, arguments);
+    const { list } = this;
+    const { length } = list;
+
+    if (length > 0) {
+      const lastIndex = length - 1;
+      const result = list[lastIndex];
+      list.length = lastIndex;
+      return result;
+    }
+
+    return ReflectApply(this.ctor, this, arguments);
   }
 
   free(obj) {
-    if (this.list.length < this.max) {
-      this.list.push(obj);
+    const { list } = this;
+    const { length } = list;
+
+    if (length < this.max) {
+      list[length] = obj;
       return true;
     }
     return false;