* lisp/emacs-lisp/macroexp.el (macroexp--compiler-macro): Soften message

Clarify that the error is "harmless".

diff --git a/lisp/emacs-lisp/macroexp.el b/lisp/emacs-lisp/macroexp.el
index c3ba1b36d444021f87bb2dc002a0698d3ec87c63..f4df40249de94ca29a25edf7623b45b201c82a0b 100644 (file)
--- a/lisp/emacs-lisp/macroexp.el
+++ b/lisp/emacs-lisp/macroexp.el
@@ -110,7 +110,8 @@ each clause."
       (let ((symbols-with-pos-enabled t))
         (apply handler form (cdr form)))
     (error
-     (message "Compiler-macro error for %S: Handler: %S\n%S" (car form) handler err)
+     (message "Warning: Optimization failure for %S: Handler: %S\n%S"
+              (car form) handler err)
      form)))
 
 (defun macroexp--funcall-if-compiled (_form)