bug#36567: cl-defgeneric defeats (with-suppressed-warnings ((obsolete fun)) ...)

[Lars Ingebrigtsen <larsi@gnus.org>]

Stefan Kangas <stefan@marxist.se> writes:

> Result:
> *Compile-Log* buffer contains:
> foo.el:3:22:Warning: ‘foo’ is an obsolete generic function.

Gah.  I thought we had squished all these by now...

So the thing is that if you have already eval-ed an obsolete defgeneric,
and then you compile a file that contains suppressed use of it, then you
still get the warning?

Hmm...

Oh!  No, it's warning about the defgeneric itself?  Compiling this leads
to a warning (if it's already defined):

(require 'cl-generic)
(cl-defgeneric foo ()
  (declare (obsolete nil nil))
  t)

Compiling this doesn't:

(require 'cl-generic)
(with-suppressed-warnings ((obsolete foo))
  (cl-defgeneric foo ()
    (declare (obsolete nil nil))
    t))

So...  I think...  perhaps this is not a bug?

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