6bd756d7c6
PR-URL: https://github.com/nodejs/node/pull/44741 Fixes: https://github.com/nodejs/node/issues/44650 Fixes: https://github.com/nodejs/node/issues/37472 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
37 lines
1.1 KiB
JavaScript
37 lines
1.1 KiB
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 --turbofan
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// Intended to test bug [882233] on TF inlined (js-call-reducer) path.
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function shift_array() {
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let array = [];
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Object.defineProperty(array, 'length', {writable : false});
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out = array; // Prevent array's map from dying too early.
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return array.shift();
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}
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%PrepareFunctionForOptimization(shift_array);
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assertThrows(shift_array);
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assertThrows(shift_array);
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%OptimizeFunctionOnNextCall(shift_array);
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assertThrows(shift_array);
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assertOptimized(shift_array);
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function shift_object() {
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let object = { length: 0 };
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Object.defineProperty(object, 'length', {writable : false});
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out = object; // Prevent object's map from dying too early.
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return object.shift();
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}
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%PrepareFunctionForOptimization(shift_object);
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assertThrows(shift_object);
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assertThrows(shift_object);
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%OptimizeFunctionOnNextCall(shift_object);
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assertThrows(shift_object);
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assertOptimized(shift_object);
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