// Copyright 2018 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: --opt --no-always-opt --allow-natives-syntax (() => { function f(s) { return s.charAt(); }; %PrepareFunctionForOptimization(f); f(''); f(""); %OptimizeFunctionOnNextCall(f); f(""); })();