bug#56648: 29.0.50; Need for `compiled-function-p`

[Lars Ingebrigtsen]

Stefan Monnier <monnier@iro.umontreal.ca> writes:

> A) `compiled-function-p` exists in Common-Lisp.
>
> B) It would require redoing some of the work I've just done because
>
>        (uncompiled-function-p X) != (not (compiled-function-p X))
>
>    when X is not a function, so it's not just a simple search&replace.

Makes sense.