[Webkit-unassigned] [Bug 200560] New: [JSC] Fix DebuggerScope and/or ProxyObject to remove a hack in JSObject::getOwnPropertyDescriptor

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=200560

            Bug ID: 200560
           Summary: [JSC] Fix DebuggerScope and/or ProxyObject to remove a
                    hack in JSObject::getOwnPropertyDescriptor
           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: ysuzuki at apple.com

We have a hack in JSObject::getOwnPropertyDescriptor for DebuggerScope and ProxyObject.
But this is wrong since,

1. This hack breaks the assumption that JSObject::getOwnPropertySlot should return own property
2. This hack is only added for JSObject::getOwnPropertyDescriptor. So, the other clients using JSObject::getOwnPropertySlot see the different results

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