diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/jaeger/loops/hoist-02.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/jaeger/loops/hoist-02.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,12 @@
+function foo(x, n) {
+  var a = 0;
+  for (var i = 0; i < n; i++)
+    a += x[3];
+  return a;
+}
+
+var a = foo([1,2,3,4], 100);
+assertEq(a, 400);
+
+var b = foo([1,2], 100);
+assertEq(b, NaN);