[Webkit-unassigned] [Bug 142933] Redefining a property should not change its insertion index (Object.keys order)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=142933

--- Comment #4 from Joseph Pecoraro <joepeck at webkit.org> ---
Hah, the ChangeLog had:

> Currently defineOwnProperty uses a delete followed by a put to redefine
> attributes of a property, clearly this is less efficient than it could be
> but we can improve this if it needs to be possible in future.

I guess now is that time! But necessarily for efficiency =).

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