diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/defaultvalue-toString-is-noncallable-object-elem.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/defaultvalue-toString-is-noncallable-object-elem.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,4 @@
+var arr = ["foo", "bar"];
+var obj = { toString: {}, valueOf: function() { return 1; } };
+for (var i = 0; i < 25; i++)
+  assertEq(arr[obj], "bar");