Fix execute-extended-command-for-buffer in fundamental-mode

* lisp/simple.el (execute-extended-command-for-buffer): Protect
against the current local map being nil (bug#52907).

diff --git a/lisp/simple.el b/lisp/simple.el
index 355ebd690fff77041bc07bcd85eeed199b5cd190..9c17f0ea6d3ceff0259000337cf3c690aab54a60 100644 (file)
--- a/lisp/simple.el
+++ b/lisp/simple.el
@@ -2296,8 +2296,8 @@ maps."
    (let* ((execute-extended-command--last-typed nil)
           (keymaps
            ;; The major mode's keymap and any active minor modes.
-           (cons
-            (current-local-map)
+           (nconc
+            (and (current-local-map) (list (current-local-map)))
             (mapcar
              #'cdr
              (seq-filter