Re: ["Eli Zaretskii" <address@hidden>] Re: crash in emacs-21.1

[Gerd Moellmann]

address@hidden (Pavel Janík) writes:

>    From: address@hidden (Gerd Moellmann)
>    Date: 25 Oct 2001 10:16:24 +0200
> 
>    > > The files are all compiled with 20.2.  I haven't been following the
>    > > 20.x line closely because I worked on what's now 21 during that time,
>    > > but ISTR that there was something affecting the byte-code around
>    > > 20.2.  Does else someone remember that?
>    > 
>    > I remember that, but I couldn't find any trace of it in NEWS.
> 
> Does this help?
> 
> alloc.c:
> 
>   if (STRINGP (args[1]) && STRING_MULTIBYTE (args[1]))
>     /* BYTECODE-STRING must have been produced by Emacs 20.2 or the
>        earlier because they produced a raw 8-bit string for byte-code
>        and now such a byte-code string is loaded as multibyte while
>        raw 8-bit characters converted to multibyte form.  Thus, now we
>        must convert them back to the original unibyte form.  */
>     args[1] = Fstring_as_unibyte (args[1]);

Hm, maybe that comment was what I remembered.  Could there conceivably
go something wrong in 21 with this conversion?  The report was that
apparently a particular set of files compiled with 20.2 (I have a tar)
makes Fbyte_code crash.