Bug 313435

Summary: [TSan] Add BitSet::concurrentGet for MarkedBlock mark-bit reads
Product: WebKit Reporter: Simon Lewis <simon.lewis>
Component: JavaScriptCoreAssignee: Simon Lewis <simon.lewis>
Status: RESOLVED FIXED    
Severity: Normal CC: webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   

Simon Lewis
Reported 2026-04-27 08:01:55 PDT
MarkedBlock::isMarked reads mark bits while parallel GC workers set them; add a relaxed-load BitSet::concurrentGet so TSan stops flagging the intentional race.
Attachments
Radar WebKit Bug Importer
Comment 1 2026-05-04 08:02:12 PDT
EWS
Comment 2 2026-05-07 20:09:25 PDT
Committed 312852@main (0c5600b9794d): <https://commits.webkit.org/312852@main> Reviewed commits have been landed. Closing PR #63700 and removing active labels.
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