* lisp/emacs-lisp/bytecomp.el: Add a warning and remove a spurious warning.

* lisp/emacs-lisp/bytecomp.el: Add a warning and remove a spurious warning.
(byte-compile-initial-macro-environment): Don't compile before eval in
`eval-and-compile'.
(byte-compile-arglist-warn): Add check for defining macros after their
first use.  Check call use even if the function is fboundp.