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Re: scratch/accurate-warning-pos: Solid progress: the branch now bootstr


From: Stefan Monnier
Subject: Re: scratch/accurate-warning-pos: Solid progress: the branch now bootstraps.
Date: Sat, 01 Dec 2018 14:56:55 -0500
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux)

>> the problem is not "the byte-compiler needs line
>> numbers" but "the code that emits the warnings needs line numbers" and
> If "the code that emits the warnings needs line numbers" and getting
> that code right is hard, then why burden the byte compiler with it and
> indirectly the code it produces?

Alan's solution doesn't burden the byte-compiler (or any other code that
would emit the warnings): it slows down execution of every other code
instead.  That's its main/sole problem (in other respects, it's
"perfect" in that it is very nicely localized).


        Stefan



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