diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/jaeger/loops/hoist-06.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/jaeger/loops/hoist-06.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,14 @@
+
+function foo(x, n, y) {
+  var q = 0;
+  for (var j = 0; j < n; j++) {
+    if (x[j] < y)
+      q++;
+  }
+  assertEq(q, 1);
+}
+
+var x = [1,2,3,4,5];
+var y = { valueOf: function() { x.length = 0; return 6; } };
+
+var a = foo(x, 5, y);