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-rw-r--r--lisp/emacs-lisp/cconv.el3
1 files changed, 2 insertions, 1 deletions
diff --git a/lisp/emacs-lisp/cconv.el b/lisp/emacs-lisp/cconv.el
index 70fa71a0da4..f688bff6f85 100644
--- a/lisp/emacs-lisp/cconv.el
+++ b/lisp/emacs-lisp/cconv.el
@@ -552,7 +552,8 @@ FORM is the parent form that binds this var."
(cond
((byte-compile-not-lexical-var-p arg)
(byte-compile-log-warning
- (format "Argument %S is not a lexical variable" arg)))
+ (format "Lexical argument shadows the dynamic variable %S"
+ arg)))
((eq ?& (aref (symbol-name arg) 0)) nil) ;Ignore &rest, &optional, ...
(t (let ((varstruct (list arg nil nil nil nil)))
(cl-pushnew arg byte-compile-lexical-variables)