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// Copyright 2019 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
var a = [];
function foo() {
return a[Symbol.iterator]().next();
}
a.__proto__.push(5);
a.bla = {};
foo();
%OptimizeFunctionOnNextCall(foo);
foo();
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