diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/arguments/genexpr-5.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/arguments/genexpr-5.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,8 @@
+// 'arguments' binding can be closed over and outlives the function activation.
+
+function f() {
+    return (arguments for (x of [1]));
+}
+
+var args = f("ponies").next();
+assertEq(args[0], "ponies");