diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/for-of/array-iterator-null.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/for-of/array-iterator-null.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,11 @@
+// Array.prototype.iterator applied to undefined or null throws directly.
+
+load(libdir + "asserts.js");
+load(libdir + "iteration.js");
+
+for (var v of [undefined, null]) {
+    // ES6 draft 2013-09-05 section 22.1.5.1.
+    assertThrowsInstanceOf(function () { Array.prototype[std_iterator].call(v); }, TypeError);
+    assertThrowsInstanceOf(function () { Array.prototype.keys.call(v); }, TypeError);
+    assertThrowsInstanceOf(function () { Array.prototype.entries.call(v); }, TypeError);
+}