f820041aba
This is a reland of 289b25765a.
The fix for failures landed here:
https://chromium-review.googlesource.com/c/v8/v8/+/1599388
Original change's description:
> [Test] Update tests to work with lazy feedback allocation.
>
> This adds either %EnsureFeedbackVectorForFunction or
> %PrepareFunctionForOptimization to allocate feedback vectors when testing
> optimization, allocation sites, IC transitions etc.,
>
> Bug: v8:8394
> Change-Id: I6ad1b6d460e4abda693b326cddb87754e080a0a1
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1593303
> Commit-Queue: Mythri Alle <mythria@chromium.org>
> Auto-Submit: Mythri Alle <mythria@chromium.org>
> Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#61212}
Bug: v8:8394
Change-Id: Idb5bba221d138e6fd73155f959b9e16fc948c709
TBR: rmcilroy@chromium.org
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1599607
Reviewed-by: Mythri Alle <mythria@chromium.org>
Commit-Queue: Mythri Alle <mythria@chromium.org>
Auto-Submit: Mythri Alle <mythria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#61332}
26 lines
718 B
JavaScript
26 lines
718 B
JavaScript
// Copyright 2013 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 Cb(a, trigger) {
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var f, g;
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for(f = a.length; f--;) {
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g = a.charCodeAt(f);
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// This will fail after OSR if Runtime_StringCharCodeAt is modified
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// to iterates optimized frames and visit safepoint pointers.
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if (g == "C".charCodeAt(0)) %OptimizeOsr();
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}
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return g;
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}
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%PrepareFunctionForOptimization(Cb);
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var s1 = "long string to make cons string 1";
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var s2 = "long string to make cons string 2";
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Cb(s1 + s2);
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Cb(s1);
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var s3 = "string for triggering osr in Cb";
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Cb(s3 + s3);
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Cb(s1 + s2);
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