[Webkit-unassigned] [Bug 20928] New: Speed up JS property enumeration by caching entire PropertyNameArray

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=20928

           Summary: Speed up JS property enumeration by caching entire
                    PropertyNameArray
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: sam at webkit.org


We can speed up JavaScript property enumeration (for .. in) by caching the
entire PropertyNameArray in the StructureID instead of just the properties in
the PropertyMap.


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