diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/arguments/rest-in-Function.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/arguments/rest-in-Function.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,3 @@
+h = Function("a", "b", "c", "...rest", "return rest.toString();");
+assertEq(h.length, 3);
+assertEq(h(1, 2, 3, 4, 5), "4,5");