[Webkit-unassigned] [Bug 172687] Can't use Object.defineProperty() to add an item to a DOMStringMap or Storage

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=172687

--- Comment #5 from Saam Barati <sbarati at apple.com> ---
(In reply to Sam Weinig from comment #4)
> Yeah, I'm just going to implement the defineOwnProperty hook. One issue
> though is that as specified, I need to modify the PropertyDescriptor (see
> step 3 of
> https://heycam.github.io/webidl/#legacy-platform-object-defineownproperty)
> but the hook passes it as a const reference. Seems relatively
> straightforward to change this in JSC, but I am not clear if that was done
> for a reason.

I'm not sure why JSC passes it as const. However, why not just create a new one? I think that should be pretty cheap.

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