Re: Prickliness of the "invalid byte code" stuff

[Andreas Schwab]

On Jun 15 2019, Lars Ingebrigtsen <address@hidden> wrote:

> One thing that I've always wondered about when building Emacs is that
> running Emacs instances then start to fail in odd ways:
>
> url-http-parse-headers: Invalid byte code in 
> /home/larsi/src/emacs/trunk/lisp/emacs-lisp/cl-seq.elc [8 times]
>
> And it's almost always with this "invalid byte code" stuff.
>
> What does it mean, really?

emacs-lisp/cl-seq.elc was modified after being loaded.  You need to
reload it.

> Is there some sanity check to ensure that you're not running an .elc
> file designed for a different Emacs build, or...  something else?

See byte-compile-dynamic.

Andreas.

-- 
Andreas Schwab, address@hidden
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