diff -r 000000000000 -r 6474c204b198 js/src/tests/js1_8_5/regress/regress-583429.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/js1_8_5/regress/regress-583429.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,7 @@
+// Any copyright is dedicated to the Public Domain.
+// http://creativecommons.org/licenses/publicdomain/
+// Contributor: Andreas Gal <gal@uci.edu>
+
+assertEq(Object.getOwnPropertyNames(Array.prototype).indexOf("length") >= 0, true);
+
+reportCompare("ok", "ok", "bug 583429");