Dump with `lexical-binding` bound to nil

* lisp/loadup.el (dump-mode): Temporarily bind `lexical-binding` to
nil while dumping.  Otherwise, it will be t in Emacs by default
and that is not our intention (yet).

diff --git a/lisp/loadup.el b/lisp/loadup.el
index 1889ff562c617e730b1b9736bacf55b4aab3d24d..fce17bf1137e35c27a75eadaee702e271a24ee82 100644 (file)
--- a/lisp/loadup.el
+++ b/lisp/loadup.el
@@ -541,7 +541,8 @@ lost after dumping")))
       (let (success)
         (unwind-protect
              (let ((tmp-dump-mode dump-mode)
-                   (dump-mode nil))
+                   (dump-mode nil)
+                   (lexical-binding nil))
                (if (member tmp-dump-mode '("pdump" "pbootstrap"))
                    (dump-emacs-portable (expand-file-name output invocation-directory))
                  (dump-emacs output "temacs")