diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/arguments/args2c.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/arguments/args2c.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,19 @@
+actual = '';
+expected = 'g 0 0,g 1 2,g 2 4,g 3 6,g 4 8,';
+
+function g(x, y) {
+  appendToActual('g ' + x + ' ' + y);
+  //appendToActual('g ' + x + ' ' + y);
+  //appendToActual('g ' + y);
+}
+
+function f() {
+  g.apply(this, arguments);
+}
+
+for (var i = 0; i < 5; ++i) {
+  f(i, i*2);
+}
+
+
+assertEq(actual, expected)