diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/arguments/args-createontrace.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/arguments/args-createontrace.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,18 @@
+actual = '';
+expected = '5,4,3,2,1,X,5,4,3,2,1,Y,5,4,3,2,1,';
+
+function f() {
+  for (var i = 0; i < 5; ++i) {
+    var args = arguments;
+    appendToActual(args[i]);
+  }
+}
+
+f(5, 4, 3, 2, 1);
+appendToActual("X");
+f(5, 4, 3, 2, 1);
+appendToActual("Y");
+f(5, 4, 3, 2, 1);
+
+
+assertEq(actual, expected)