[Webkit-unassigned] [Bug 173158] New: [JSC] We should have own property enumeration cache

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=173158

            Bug ID: 173158
           Summary: [JSC] We should have own property enumeration cache
           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: utatane.tea at gmail.com

Currently, we only have property enumeration cache for for-in.
But we should have own property cache to accelerate Object.keys(), which is frequently used in many programs, like, Speedometer.

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