[Webkit-unassigned] [Bug 227888] New: Revert r277027: breaks GC.

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Mon Jul 12 14:36:22 PDT 2021


            Bug ID: 227888
           Summary: Revert r277027: breaks GC.
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mark.lam at apple.com

The patch in r277027 to make deletion of GCAwareJITStubRoutines incremental has a bug:the routine may not be deleted yet by the incremental sweeper before the next GC cycle, and the GC will not be happy visiting dead cell pointers in that routine.  There are also other bugs with the triggering of sweeping.

For now, we're reverting the patch, and will revisit this at a later time.

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