diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/for-of/arguments-5.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/for-of/arguments-5.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,20 @@
+// for-of can iterate strict arguments objects in non-strict code.
+
+load(libdir + "iteration.js");
+
+Object.prototype[std_iterator] = Array.prototype[std_iterator];
+
+var s;
+function g(obj) {
+    for (var v of obj)
+        s += v;
+}
+
+function f() {
+    "use strict";
+    g(arguments);
+}
+
+s = '';
+f(1, 2, 3);
+assertEq(s, '123');