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Re: master 5252c45: Initialise unread buffer

From: Lars Ingebrigtsen
Subject: Re: master 5252c45: Initialise unread buffer
Date: Sun, 19 Sep 2021 16:26:51 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux)

Mattias Engdegård <mattiase@savannah.gnu.org> writes:

>     The reader has an extra 1-char unread buffer that was incorrectly
>     initialised to 0, which means that the first character read would
>     always be NUL.  As this is often the code that looks for the
>     lexical-binding cookie, the first loaded source module would be
>     treated as dynamically bound.  During bootstrapping this is loadup.el
>     and so its local variables got dumped into the global environment.

Wow.  How did you manage to debug this?  :-)

(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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