Subject: bug#51140: 28.0.50; cl-letf appears not to work with native-comp (at least for process-exit-status and other builtins)

From: Michael Heerdegen <[email-masked]>
Date: Tue, 12 Oct 2021 04:30:46 +0200

Robert Irelan <[email-masked]> writes:

> (defun +ivy--always-return-zero-exit-code-a (fn &rest args)
>   (cl-letf* (((symbol-function 'process-exit-status-orig)
>               (symbol-function 'process-exit-status))
>              ((symbol-function 'process-exit-status)
>               (lambda (_proc)
                         ^^^^^
>                 (let ((code (process-exit-status-orig proc)))
                                                        ^^^^

I don't know about native compilation, I just found this free variable
problem when compiling your defun normally.  You may want to correct
your recipe.

Michael.