[Webkit-unassigned] [Bug 228892] [JSC] Custom getter / setter functions can be collected

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=228892

--- Comment #1 from Alexey Shvayka <shvaikalesh at gmail.com> ---
Wow, this is a great catch!

Since there could be a lot of `Object.getOwnPropertyDescriptors(%WebIDLInterface%.prototype)` out there in the web, my first approach would be creating separate HashSet on JSGlobalObject that is strong, and leverage Structure::didTransitionFromThisStructure() (m_transitionWatchpointSet) to copy JSCustom{Getter,Setter}Function objects there, so we can avoid overriding MethodTable::destroy() for performance reasons.

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