[Webkit-unassigned] [Bug 157334] New: Structure::isCheapDuringGC() could be even more accurate

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=157334

            Bug ID: 157334
           Summary: Structure::isCheapDuringGC() could be even more
                    accurate
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: fpizlo at apple.com

It's meant to conservatively return false, but there are some uncommon cases where the current version may return true even though the structure is not cheap.

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