[Webkit-unassigned] [Bug 76148] New: Allow accessor get/set property to be set to undefined

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=76148

           Summary: Allow accessor get/set property to be set to undefined
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: barraclough at apple.com


AccessorDescriptor properties may have their get & set properties defined to reference a function (Callable object) or, or be set to undefined.  Valid PropertyDescriptors created by toPropertyDescriptor (defined from JS code via Object.defineProperty, etc) have get and set properties that are in one of three states (1) nonexistent (c++ null  JSValue), (2) JS undefined, or (3) a function (or any Callable).

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