Subject: 25.1.1 Deserted interactive spec but no error

From: Andreas Röhler <[email-masked]>
Date: Tue, 6 Sep 2016 10:10:25 +0200

(defun asdf ()
   (interactive "p")
   (message "%s" "blah"))

M-x byte-compile-file RET doesn't send any error.

GNU Emacs 25.1.1 (i686-pc-linux-gnu, GTK+ Version 3.14.5) of 2016-08-22