// Copyright 2015 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() {
var key = "s";
function f(object) { return object[key]; };
f("");
f("");
%OptimizeFunctionOnNextCall(f);
f("");
assertOptimized(f);
})();