diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/nonEmptyStack1.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/nonEmptyStack1.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,13 @@
+function nonEmptyStack1Helper(o, farble) {
+    var a = [];
+    var j = 0;
+    for (var i in o)
+        a[j++] = i;
+    return a.join("");
+}
+
+function nonEmptyStack1() {
+    return nonEmptyStack1Helper({a:1,b:2,c:3,d:4,e:5,f:6,g:7,h:8}, "hi");
+}
+
+assertEq(nonEmptyStack1(), "abcdefgh");