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- Subject: Re: "To-be-closed" upvalue cleanup opportunity?
- From: Roberto Ierusalimschy <roberto@...>
- Date: Tue, 8 Nov 2022 10:19:07 -0300
> I believe the 'tbc' field of UpVal:
> https://github.com/lua/lua/blob/c954db39241a8b21d7b32b42b87a066b4708f969/lobject.h#L620
>
> is unnecessary since the to-be-closed variable handling changes starting with
> https://github.com/lua/lua/commit/4e47f81188d37e29027158b76271d02a781242e2 .
>
> It's only referenced in newupval, which is never called with anything
> but 0 for the value.
That's right. Thanks for the report.
-- Roberto
