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// Copyright 2016 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 foo(x) {
var a = new Array(1);
a[0] = x;
return a;
};
%PrepareFunctionForOptimization(foo);
assertEquals([1], foo(1));
assertEquals([1], foo(1));
%OptimizeFunctionOnNextCall(foo);
assertEquals([1], foo(1));
Array.prototype.__defineSetter__('0', function() {});
assertEquals([undefined], foo(1));
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