[Webkit-unassigned] [Bug 144067] New: SparseArrayEntry's write barrier owner should be the SparseArrayValueMap.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=144067

            Bug ID: 144067
           Summary: SparseArrayEntry's write barrier owner should be the
                    SparseArrayValueMap.
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (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

Currently, there are a few places where the JSObject that owns the SparseArrayValueMap is designated as the owner of the SparseArrayEntry write barrier.  This is a bug and can result in the GC collecting the SparseArrayEntry even though it is being referenced by the SparseArrayValueMap.

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