(define-compiler-macro): Handle empty arglist.

1 files changed, 2 insertions, 2 deletions

diff --git a/lisp/emacs-lisp/cl-macs.el b/lisp/emacs-lisp/cl-macs.el
index 37d02b564cb..e6656a168b1 100644
--- a/lisp/emacs-lisp/cl-macs.el
+++ b/lisp/emacs-lisp/cl-macs.el
@@ -2440,9 +2440,9 @@ compiler macros are expanded repeatedly until no further expansions are
 possible.  Unlike regular macros, BODY can decide to \"punt\" and leave the
 original function call alone by declaring an initial `&whole foo' parameter
 and then returning foo."
-  (let ((p (if (listp args) args (list '&rest args))) (res nil))
+  (let ((p args) (res nil))
     (while (consp p) (cl-push (cl-pop p) res))
-    (setq args (nreverse res)) (setcdr res (and p (list '&rest p))))
+    (setq args (nconc (nreverse res) (and p (list '&rest p)))))
   (list 'eval-when '(compile load eval)
         (cl-transform-function-property
          func 'cl-compiler-macro