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// 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: --allow-natives-syntax --opt
/* Test deopt behaviors when the prototype has elements */
(function () {
var array = [,];
function next() {
return array[Symbol.iterator]().next();
}
%PrepareFunctionForOptimization(next);
assertEquals(next().value, undefined);
assertEquals(next().value, undefined);
%OptimizeFunctionOnNextCall(next);
assertEquals(next().value, undefined);
array.__proto__.push(5);
assertEquals(next().value, 5);
})();
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