diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/nonEmptyStack2.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/nonEmptyStack2.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,10 @@
+function nonEmptyStack2()
+{
+  var a = 0;
+  for (var c in {a:1, b:2, c:3}) {
+    for (var i = 0; i < 10; i++)
+      a += i;
+  }
+  return String(a);
+}
+assertEq(nonEmptyStack2(), "135");