diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/for-of/array-holes-7.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/for-of/array-holes-7.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,5 @@
+// for-of visits inherited properties in an array full of holes.
+
+Object.prototype[1] = "O";
+Array.prototype[2] = "A";
+assertEq([x for (x of Array(4))].join(","), ",O,A,");