diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/jaeger/bug707641.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/jaeger/bug707641.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,7 @@
+function a(a, prototype)  {
+  try {
+    typeof (arguments[a]) in code
+  } catch(e) {}
+}
+a();
+a();