diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/testFewerGlobalsInInnerTree.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/testFewerGlobalsInInnerTree.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,14 @@
+function testFewerGlobalsInInnerTree() {
+    for each (a in [new Number(1), new Number(1), {}, {}, new Number(1)]) {
+        for each (b in [2, "", 2, "", "", ""]) {
+		    for each (c in [{}, {}, 3, 3, 3, 3, {}, {}]) {
+                4 + a;
+			}
+		}
+	}
+    delete a;
+    delete b;
+    delete c;
+    return "ok";
+}
+assertEq(testFewerGlobalsInInnerTree(), "ok");