diff -r 000000000000 -r 6474c204b198 js/src/tests/js1_5/extensions/regress-291213.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/js1_5/extensions/regress-291213.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,48 @@
+/* -*- 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/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 291213;
+var summary = 'Do not crash in args_resolve enumerating |arguments|';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+var scriptCode = "var result = \"\" + arguments; " +
+  "for (i in arguments) " +
+  "result += \"\\\n  \" + i + \" \" + arguments[i]; result;";
+var scripts = {};
+
+if (typeof Script == 'undefined')
+{
+  print('Test skipped. Script not defined.');
+}
+else
+{
+  scripts["A"] = new Script(scriptCode);
+
+  scripts["B"] = (function() {
+                    return new Script(scriptCode);
+                  })();
+
+  scripts["C"] = (function() {
+                    function x() { "a"; }
+                    return new Script(scriptCode);
+                  })();
+
+// any Object (window, document, new Array(), ...)
+  var anyObj = new Object();
+  scripts["D"] = (function() {
+                    function x() { anyObj; }
+                    return new Script(scriptCode);
+                  })();
+
+  var result;
+  for (var i in scripts) {
+    try { result = scripts[i].exec(); }
+    catch (e) { result = e; }
+    printStatus(i + ") " + result);
+  }
+}
+reportCompare(expect, actual, summary);