diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/ion/bug735869.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/ion/bug735869.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,11 @@
+o = {}
+for (let i = 0; i < 70; i++) {
+    try {
+        p
+    } catch (e) {}
+    (function() {
+        for (x in Iterator.prototype) {}
+    })()
+    o.__proto__ = null
+    delete o.__proto__
+}