diff -r 000000000000 -r 6474c204b198 js/src/tests/ecma_3/Array/15.4.4.4-001.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/ecma_3/Array/15.4.4.4-001.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,119 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/*
+ *
+ * Date:    19 September 2002
+ * SUMMARY: Testing Array.prototype.concat()
+ * See http://bugzilla.mozilla.org/show_bug.cgi?id=169795
+ *
+ */
+//-----------------------------------------------------------------------------
+var UBound = 0;
+var BUGNUMBER = 169795;
+var summary = 'Testing Array.prototype.concat()';
+var status = '';
+var statusitems = [];
+var actual = '';
+var actualvalues = [];
+var expect= '';
+var expectedvalues = [];
+var x;
+
+
+status = inSection(1);
+x = "Hello";
+actual = [].concat(x).toString();
+expect = x.toString();
+addThis();
+
+status = inSection(2);
+x = 999;
+actual = [].concat(x).toString();
+expect = x.toString();
+addThis();
+
+status = inSection(3);
+x = /Hello/g;
+actual = [].concat(x).toString();
+expect = x.toString();
+addThis();
+
+status = inSection(4);
+x = new Error("Hello");
+actual = [].concat(x).toString();
+expect = x.toString();
+addThis();
+
+status = inSection(5);
+x = function() {return "Hello";};
+actual = [].concat(x).toString();
+expect = x.toString();
+addThis();
+
+status = inSection(6);
+x = [function() {return "Hello";}];
+actual = [].concat(x).toString();
+expect = x.toString();
+addThis();
+
+status = inSection(7);
+x = [1,2,3].concat([4,5,6]);
+actual = [].concat(x).toString();
+expect = x.toString();
+addThis();
+
+status = inSection(8);
+x = eval('this');
+actual = [].concat(x).toString();
+expect = x.toString();
+addThis();
+
+/*
+ * The next two sections are by igor@icesoft.no; see
+ * http://bugzilla.mozilla.org/show_bug.cgi?id=169795#c3
+ */
+status = inSection(9);
+x={length:0};
+actual = [].concat(x).toString();
+expect = x.toString();
+addThis();
+
+status = inSection(10);
+x={length:2, 0:0, 1:1};
+actual = [].concat(x).toString();
+expect = x.toString();
+addThis();
+
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+
+
+function addThis()
+{
+  statusitems[UBound] = status;
+  actualvalues[UBound] = actual;
+  expectedvalues[UBound] = expect;
+  UBound++;
+}
+
+
+function test()
+{
+  enterFunc('test');
+  printBugNumber(BUGNUMBER);
+  printStatus(summary);
+
+  for (var i=0; i<UBound; i++)
+  {
+    reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);
+  }
+
+  exitFunc ('test');
+}