d33aedb7b9
This reverts commit 41d571dfe8.
Reason for revert: This patch breaks the correctness of the typedarray
properties such as length, byteOffset, byteLength.
The accessor check optimization code is dead code eliminated. A follow
up patch will fix this optimization correctly.
BUG=chromium:593634
Review-Url: https://codereview.chromium.org/1977983002
Cr-Commit-Position: refs/heads/master@{#36254}
41 lines
846 B
JavaScript
41 lines
846 B
JavaScript
// 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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function getLength(a) {
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return a.length;
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}
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function getByteLength(a) {
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return a.byteLength;
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}
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function getByteOffset(a) {
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return a.byteOffset;
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}
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var a = new Uint8Array([1, 2, 3]);
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getLength(a);
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getLength(a);
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Object.defineProperty(a.__proto__, 'length', {value: 42});
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assertEquals(42, getLength(a));
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assertEquals(42, a.length);
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getByteLength(a);
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getByteLength(a);
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Object.defineProperty(a.__proto__, 'byteLength', {value: 42});
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assertEquals(42, getByteLength(a));
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assertEquals(42, a.byteLength);
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getByteOffset(a);
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getByteOffset(a);
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Object.defineProperty(a.__proto__, 'byteOffset', {value: 42});
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assertEquals(42, getByteOffset(a));
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assertEquals(42, a.byteOffset);
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