From b4be89ffc144dcb74510b7be0bebd8b166a2c6e8 Mon Sep 17 00:00:00 2001
From: Ruben Bridgewater <ruben@bridgewater.de>
Date: Mon, 7 May 2018 00:04:19 +0200
Subject: [PATCH] cluster: remove obsolete array allocation

The array was only used to create a key. Instead of allocating that
first, just directly create the necessary string.

PR-URL: https://github.com/nodejs/node/pull/20567
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
---
 lib/internal/cluster/master.js | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/lib/internal/cluster/master.js b/lib/internal/cluster/master.js
index 8e4f9395da6..457b3579b12 100644
--- a/lib/internal/cluster/master.js
+++ b/lib/internal/cluster/master.js
@@ -275,12 +275,8 @@ function queryServer(worker, message) {
   if (worker.exitedAfterDisconnect)
     return;
 
-  const args = [message.address,
-                message.port,
-                message.addressType,
-                message.fd,
-                message.index];
-  const key = args.join(':');
+  const key = `${message.address}:${message.port}:${message.addressType}:` +
+              `${message.fd}:${message.index}`;
   var handle = handles[key];
 
   if (handle === undefined) {