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Re: byte-compile-preprocess+cconv seem to mutate self evaluating forms i

From: Vibhav Pant
Subject: Re: byte-compile-preprocess+cconv seem to mutate self evaluating forms in expanded macros
Date: Fri, 20 Jan 2023 18:43:48 +0530
User-agent: Evolution 3.46.3

On Fri, 2023-01-20 at 08:03 -0500, Stefan Monnier wrote:
> Hi,
> > While working on scratch/comp-static-data, which adds support for
> > native compiling self evaluating forms in Lisp code as static
> > consts in
> > the eln (with immutability enforced additionally by
> > noticed that compiling minor-mode definitions would result in a
> > `pure_write_error`. This arises as cconv-closure-convert, called
> > from
> > `byte-compile-preprocess` would call `setcar` on a self evaluating
> > interactive form as part of the minor-mode's function body.
> Sounds like a bug.  Can you `M-x report-emacs-bug` (and put me in
> `X-Debbugs-Cc:`) so we get a bug#nb for it?
>         Stefan

Hi Stefan,

The error doesn't come up on master, because we don't enforce the
immutability of self evaluating forms. Becuase the same files get
compiled just fine on master, does it still count as a bug?


Vibhav Pant
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