// Copyright 2017 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-syntaxfunctionl(s){return("xxxxxxxxxxxxxxxxxxxxxxx"+s).toLowerCase();}l("abcd");l("abcd");%OptimizeFunctionOnNextCall(l);l("abcd");functionu(s){return("xxxxxxxxxxxxxxxxxxxxxxx"+s).toUpperCase();}u("abcd");u("abcd");%OptimizeFunctionOnNextCall(u);u("abcd");