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Clemens Backes authored
This reverts commit 0938188f. Reason for revert: new test times out on tsan: https://ci.chromium.org/ui/p/v8/builders/ci/V8%20Linux64%20TSAN/35152/overview Original change's description: > [wasm][debug] Garbage-collect stepping code > > All wasm code has an initial ref count of 1, in the expectation that it > will be added to the code table. When the code is removed from that > table, the ref count will be decremented. > Stepping code (and also other code under special circumstances) will not > be added to the code table though. Hence the ref count will never be > decremented below 1, and the code will never be garbage-collected. > > This CL fixes this, by decrementing the ref count if the code is not > added to the code table. > Note that the code will only be collected if no isolate is currently > using it, so it won't be collected while still in use for stepping. > > R=thibaudm@chromium.org > > Bug: chromium:1168564 > Change-Id: I3047753591cbc52689ca019e9548ec58c237b835 > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2649040 > Commit-Queue: Clemens Backes <clemensb@chromium.org> > Reviewed-by: Thibaud Michaud <thibaudm@chromium.org> > Cr-Commit-Position: refs/heads/master@{#72354} TBR=clemensb@chromium.org,thibaudm@chromium.org Change-Id: I84f84324d2c4a3cae2ae6b97f469e3f22b0e3b3f No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: chromium:1168564 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2652485Reviewed-by: Clemens Backes <clemensb@chromium.org> Commit-Queue: Clemens Backes <clemensb@chromium.org> Cr-Commit-Position: refs/heads/master@{#72357}
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