diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/closures/flat-closure-5.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/closures/flat-closure-5.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,19 @@
+actual = '';
+expected = 'undefined,[object Object],undefined,[object Object],undefined,[object Object],undefined,[object Object],undefined,[object Object],undefined,[object Object],undefined,[object Object],undefined,[object Object],undefined,[object Object],undefined,[object Object],';
+
+function f() {
+for (var q = 0; q < 10; ++q) {
+    for each(let b in [(void 0), {}]) {
+	(function() {
+	    for (var i = 0; i < 1; ++i) {
+	      appendToActual('' + b)
+	    }
+        }())
+    }
+}
+}
+
+f()
+
+
+assertEq(actual, expected)