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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>
35 lines
782 B
JavaScript
35 lines
782 B
JavaScript
// Copyright 2018 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 fun(arg) {
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let x = arguments.length;
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a1 = new Array(0x10);
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a1[0] = 1.1;
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a2 = new Array(0x10);
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a2[0] = 1.1;
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a1[(x >> 16) * 21] = 1.39064994160909e-309; // 0xffff00000000
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a1[(x >> 16) * 41] = 8.91238232205e-313; // 0x2a00000000
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}
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var a1, a2;
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var a3 = [1.1, 2.2];
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a3.length = 0x11000;
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a3.fill(3.3);
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var a4 = [1.1];
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%PrepareFunctionForOptimization(fun);
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for (let i = 0; i < 3; i++) fun(...a4);
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%OptimizeFunctionOnNextCall(fun);
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fun(...a4);
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res = fun(...a3);
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assertEquals(16, a2.length);
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for (let i = 8; i < 32; i++) {
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assertEquals(undefined, a2[i]);
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}
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