diff -r 000000000000 -r 6474c204b198 js/src/tests/js1_5/Array/regress-424954.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/js1_5/Array/regress-424954.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,30 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ * Contributor: Bob Clary
+ */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 424954;
+var summary = 'Do not crash with [].concat(null)';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  [].concat(null);
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}