1 files changed, 14 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/compiler/regress-math-sign-nan-type.js b/deps/v8/test/mjsunit/compiler/regress-math-sign-nan-type.js
new file mode 100644
index 0000000000..e16eba8c5a
--- /dev/null
+++ b/deps/v8/test/mjsunit/compiler/regress-math-sign-nan-type.js
@@ -0,0 +1,14 @@
+// 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 f(a) {
+  return Math.sign(+a) < 2;
+}
+
+f(NaN);
+f(NaN);
+%OptimizeFunctionOnNextCall(f);
+assertFalse(f(NaN));