diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/arguments/strict-osr-shadowed-args.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/arguments/strict-osr-shadowed-args.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,13 @@
+
+"use strict";
+
+function loop(a) {
+    a = arguments.length;
+    var result = 0;
+    for (var i = 0; i < 5000; i++) {
+        result += a;
+    }
+    return result;
+}
+
+assertEq(loop(11), 5000);