bug#33901: 26.1; cl-letf is unexpectedly not autoloaded

[Markus Triska]

Andreas Schwab <schwab@linux-m68k.org> writes:

> Those autoloads are only defined in the cl-macs package.  You need to
> load it first.

Is this really the intended way? I mean, why is this described as an
"autoloaded" macro then? From the manual, I gather:

    The “autoload” feature allows you to call a function or macro whose
    function definition has not yet been loaded into Emacs.  It specifies
    which file contains the definition.  When an autoload object appears as
    a symbol’s function definition, calling that symbol as a function
    automatically loads the specified file; then it calls the real ...

If I have to load cl-macs before using cl-letf, it seems to be as good
as not having an autoload for it at all. Is there any advantage to this?