bug#25645: reproducer?

[Alex Bennée]

Does this count as a reproducer?

(defun bug-25645-reproducer ()
  "Reproducer."
  (let ((buf (get-buffer-create "*bug25645*")))
    (switch-to-buffer buf)
    (message-mode)
    (goto-char (point-max))
    (insert "\né")
    (with-temp-buffer
        (insert-buffer-substring buf)
        (message-clone-locals buf)
        (message-encode-message-body)
        (get-buffer-create "*bug2564-copy*")
        (copy-to-buffer "*bug2564-copy*" (point-min) (point-max)))))

Certainly if I comment out the (message-clone-locals) in message-do-fcc
behaviour reverts to pre-emacs26.

--
Alex Bennée