From 1eb5442ca39d7505b4f56d6f80538d62729e534e Mon Sep 17 00:00:00 2001
From: FredyC <fredy.c@seznam.cz>
Date: Tue, 2 Sep 2014 08:39:35 +0200
Subject: [PATCH] prevent faking setImmediate call

---
 lib/async.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/async.js b/lib/async.js
index a13f83520..bc521691c 100755
--- a/lib/async.js
+++ b/lib/async.js
@@ -105,9 +105,11 @@
     else {
         async.nextTick = process.nextTick;
         if (typeof setImmediate !== 'undefined') {
+            // store reference in closure to prevent faking
+            var setImmediateRef = setImmediate;
             async.setImmediate = function (fn) {
               // not a direct alias for IE10 compatibility
-              setImmediate(fn);
+              setImmediateRef(fn);
             };
         }
         else {