diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/ion/bug808023.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/ion/bug808023.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,7 @@
+// |jit-test| error: TypeError
+t = ""
+function f(code) {
+  eval("(function(){" + code + "})")()
+}
+evalcx("")
+f("var r=({a:1})[\"\"];t(r)")