diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/bug625141-1.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/bug625141-1.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,13 @@
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ */
+function f() {
+  var arr = new Int32Array(10);
+  x = function () { return arr.length; }
+  for (var i = 0; i < arr.length; i++) {
+    arr[i] = i;
+  }
+  assertEq(arr[5], 5);
+}
+f();