diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/bug652422.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/bug652422.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,6 @@
+try { (function() {
+    var o = {};
+    with (o) o='recorder not started, ';
+    ('arguments' in o, false,
+                  "property deletion observable")
+})() } catch (e) {}