diff --git a/test/mjsunit/compiler/regress-5129.js b/test/mjsunit/compiler/regress-5129.js
new file mode 100644
index 0000000..1d100ab
--- /dev/null
+++ b/test/mjsunit/compiler/regress-5129.js
@@ -0,0 +1,15 @@
+// Copyright 2016 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --allow-natives-syntax
+
+function foo($a,$b) {
+ $a = $a|0;
+ $b = $b|0;
+ var $sub = $a - $b;
+ return ($sub|0) < 0;
+}
+
+%OptimizeFunctionOnNextCall(foo);
+assertTrue(foo(0x7fffffff,-1));