diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/arguments/args7.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/arguments/args7.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,14 @@
+actual = '';
+expected = '5,4,3,2,1,';
+
+function f() {
+  while (arguments.length > 0) {
+    appendToActual(arguments[arguments.length-1]);
+    arguments.length--;
+  }
+}
+
+f(1, 2, 3, 4, 5);
+
+
+assertEq(actual, expected)