diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/arguments/rest-arguments-as-parameters.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/arguments/rest-arguments-as-parameters.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,9 @@
+function f1(...arguments) {
+    assertEq("1,2,3", arguments.toString());
+}
+f1(1, 2, 3);
+function f2(arguments, ...rest) {
+    assertEq(arguments, 42);
+    assertEq("1,2,3", rest.toString());
+}
+f2(42, 1, 2, 3);
\ No newline at end of file