df2578d2ec
Improves performance in simple, single element case by 5% and in multiple elements cases by 2%. BUG=chromium:608675 LOG=N Review-Url: https://codereview.chromium.org/2497243002 Cr-Commit-Position: refs/heads/master@{#41368}
24 lines
520 B
JavaScript
24 lines
520 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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// Flags: --allow-natives-syntax
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[1].push(1);
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(function PushHoleBitPattern() {
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function g(src, dst, i) {
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dst[i] = src[i];
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}
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var b = new ArrayBuffer(8);
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var i32 = new Int32Array(b);
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i32[0] = 0xFFF7FFFF;
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i32[1] = 0xFFF7FFFF;
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var f64 = new Float64Array(b);
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var a = [,2.5];
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a.push(f64[0]);
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assertTrue(Number.isNaN(a[2]));
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})();
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