diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/arguments/args-vargc.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/arguments/args-vargc.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,18 @@
+actual = '';
+expected = '1 2,1 2,1 2,1 2,1 2,1 2,1 2,1 2,1 undefined,1 undefined,1 undefined,1 undefined,1 undefined,1 undefined,1 undefined,1 undefined,';
+
+function g(a, b) {
+  appendToActual(a + ' ' + b);
+}
+
+function f() {
+  for (var i = 0; i < 8; ++i) {
+    g.apply(this, arguments);
+  }
+}
+
+f(1, 2);
+f(1);
+
+
+assertEq(actual, expected)