blob: cae1d9db5bde93207a6c9bc4a5718e5ea052f656 [file] [log] [blame]
Ben Murdoch097c5b22016-05-18 11:27:45 +01001// Copyright 2016 the V8 project authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5// Flags: --allow-natives-syntax
6
7function f(x) { return x === +x; }
8
9assertEquals(false, f(undefined));
10assertEquals(false, f(undefined));
11%OptimizeFunctionOnNextCall(f);
12assertEquals(false, f(undefined)); // Interestingly this fails right away.