19 lines
475 B
JavaScript
19 lines
475 B
JavaScript
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// Copyright 2016 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --allow-natives-syntax
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function foo(x) {
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var a = new Array(1);
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a[0] = x;
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return a;
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}
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assertEquals([1], foo(1));
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assertEquals([1], foo(1));
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%OptimizeFunctionOnNextCall(foo);
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assertEquals([1], foo(1));
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Array.prototype.__defineSetter__("0", function() {});
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assertEquals([undefined], foo(1));
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