66d5cebb49
This reverts commit 9f902b7483.
Reason for revert: Reverting due to various fuzzing issues (numfuzz issues listed in original CL comments, ochang fuzzer in https://bugs.chromium.org/p/chromium/issues/detail?id=1299418)
Original change's description:
> [turbofan] Making OSR concurrent
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> ... to reduce compilation overhead on the main thread for OSR
>
> Bug: v8:12161
> Change-Id: I54ca5fa6201405daf92dac9cf51d5de4b46577b3
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3369361
> Reviewed-by: Jakob Gruber <jgruber@chromium.org>
> Reviewed-by: Leszek Swirski <leszeks@chromium.org>
> Commit-Queue: Fanchen Kong <fanchen.kong@intel.com>
> Cr-Commit-Position: refs/heads/main@{#79188}
Bug: v8:12161
Change-Id: Id6f6086517cd77fb1aa60b20fd03528b8e2ca686
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3477104
Auto-Submit: Leszek Swirski <leszeks@chromium.org>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Owners-Override: Leszek Swirski <leszeks@chromium.org>
Commit-Queue: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/main@{#79194}
31 lines
871 B
JavaScript
31 lines
871 B
JavaScript
// Copyright 2021 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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//
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// Flags: --allow-natives-syntax --stack-size=103
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let ticks = 0;
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function v0() {
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try { v1(); } catch {}
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// This triggers the deopt that may overflow the stack.
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try { undefined[null] = null; } catch {}
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}
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function v1() {
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while (!v0()) {
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// Trigger OSR early to get a crashing case asap.
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if (ticks == 5) %OptimizeOsr();
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// With the bug fixed, there's no easy way to trigger termination. Instead,
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// run until we reach a certain number of ticks. The crash triggers locally
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// at tick 7562, thus running until 20k ticks to be somewhat safe.
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if (ticks >= 20000) exit(0);
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ticks++;
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}
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}
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%PrepareFunctionForOptimization(v0);
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%PrepareFunctionForOptimization(v1);
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v0();
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