PR-URL: https://github.com/nodejs/node/pull/28918 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Rich Trott <rtrott@gmail.com>
25 lines
520 B
JavaScript
25 lines
520 B
JavaScript
// Copyright 2014 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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//
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// Flags: --allow-natives-syntax
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Array.prototype[0] = 'a';
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delete Array.prototype[0];
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function foo(a, i) {
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return a[i];
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};
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%PrepareFunctionForOptimization(foo);
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var a = new Array(100000);
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a[3] = 'x';
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foo(a, 3);
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foo(a, 3);
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foo(a, 3);
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%OptimizeFunctionOnNextCall(foo);
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foo(a, 3);
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Array.prototype[0] = 'a';
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var z = foo(a, 0);
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assertEquals('a', z);
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