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8a43a3d761
Pick up the latest branch head for V8 4.7:
be169f8df0
Full change history for the 4.7 branch:
https://chromium.googlesource.com/v8/v8.git/+log/branch-heads/4.7
V8 blog post about what is new on V8 4.7:
http://v8project.blogspot.de/2015/10/v8-release-47.html
PR-URL: https://github.com/nodejs/node/pull/4106
Reviewed-By: bnoordhuis - Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: targos - Michaël Zasso <mic.besace@gmail.com>
Reviewed-By: rvagg - Rod Vagg <rod@vagg.org>
49 lines
1.4 KiB
JavaScript
49 lines
1.4 KiB
JavaScript
// Copyright 2015 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 literals_sharing_test(warmup, optimize) {
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function closure() {
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// Ensure small array literals start in specific element kind mode.
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assertTrue(%HasFastSmiElements([]));
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assertTrue(%HasFastSmiElements([1]));
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assertTrue(%HasFastSmiElements([1,2]));
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assertTrue(%HasFastDoubleElements([1.1]));
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assertTrue(%HasFastDoubleElements([1.1,2]));
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var a = [1, 2, 3];
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if (warmup) {
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// Transition elements kind during warmup...
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assertTrue(%HasFastSmiElements(a));
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assertEquals(4, a.push(1.3));
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}
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// ... and ensure that the information about transitioning is
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// propagated to the next closure.
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assertTrue(%HasFastDoubleElements(a));
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};
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if (optimize) %OptimizeFunctionOnNextCall(closure);
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closure();
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}
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function test() {
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var warmup = true;
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for (var i = 0; i < 3; i++) {
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print("iter: " + i + ", warmup: "+ warmup);
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literals_sharing_test(warmup, false);
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warmup = false;
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}
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print("iter: " + i + ", opt: true");
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literals_sharing_test(warmup, true);
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}
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function stress_opt_test() {}
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stress_opt_test();
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if (%GetOptimizationStatus(stress_opt_test) == 2) {
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// This test is not suitable for --always-opt mode.
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test();
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}
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