diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/testUndefinedCmp.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/testUndefinedCmp.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,6 @@
+function testUndefinedCmp() {
+    var a = false;
+    for (var j = 0; j < 4; ++j) { if (undefined < false) { a = true; } }
+    return a;
+}
+assertEq(testUndefinedCmp(), false);