Simon Zünd
39852e0b06
This is a reland of commit c7cbb4139b
Relanding as is. Was reverted due to a test failure that turned out
to be a flake that still reproduced after the revert landed.
Flako run: https://ci.chromium.org/ui/p/v8/builders/try.triggered/v8_flako/b8758034788224082417/overview
Original change's description:
> [debug] Remove 'value unavailble' experiment
>
> The experiment was enabled in July 2023 and we haven't heard any
> negative feedback so we can safely remove the experiment now.
>
> R=bmeurer@chromium.org
>
> Bug: chromium:1328681
> Change-Id: I6613a4e8e741d8c16881ec1adeb01e039244fac7
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/5224284
> Commit-Queue: Simon Zünd <szuend@chromium.org>
> Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#91968}
Bug: chromium:1328681
Change-Id: I651e2a20c6612fc138246aa7e61daab285b57795
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/5233640
Commit-Queue: Simon Zünd <szuend@chromium.org>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Auto-Submit: Simon Zünd <szuend@chromium.org>
Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#91978}
46 lines
981 B
JavaScript
46 lines
981 B
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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function dbg(x) {
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debugger;
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}
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function foo() {
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arguments[0];
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dbg();
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}
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function bar() {
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var t = { a : 1 };
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dbg();
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return t.a;
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}
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%PrepareFunctionForOptimization(foo);
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%PrepareFunctionForOptimization(bar);
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foo(1);
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foo(1);
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bar(1);
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bar(1);
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%OptimizeFunctionOnNextCall(foo);
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%OptimizeFunctionOnNextCall(bar);
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var Debug = debug.Debug;
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Debug.setListener(function(event, exec_state, event_data, data) {
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if (event != Debug.DebugEvent.Break) return;
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for (var i = 0; i < exec_state.frameCount(); i++) {
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var f = exec_state.frame(i);
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for (var j = 0; j < f.localCount(); j++) {
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if (f.localValue(j).isUnavailable()) {
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print(`${f.localName(j)} is unavailable`);
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} else {
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print("'" + f.localName(j) + "' = " + f.localValue(j).value());
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}
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}
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}
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});
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foo(1);
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bar(1);
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