master aad8ffa: * lisp/international/mule-cmds.el: Try and fix bug#46818

[Stefan Monnier]

branch: master
commit aad8ffafa89fe46ff5d63bd0127274f74019d50f
Author: Stefan Monnier <monnier@iro.umontreal.ca>
Commit: Stefan Monnier <monnier@iro.umontreal.ca>

    * lisp/international/mule-cmds.el: Try and fix bug#46818
    
    (update-leim-list-file): Reduce stack/pdl use.
---
 lisp/international/mule-cmds.el | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/lisp/international/mule-cmds.el b/lisp/international/mule-cmds.el
index e4bdf50..e1dbf82 100644
--- a/lisp/international/mule-cmds.el
+++ b/lisp/international/mule-cmds.el
@@ -1312,8 +1312,13 @@ Each function is called with one arg, LEIM directory 
name.")
 
 (defun update-leim-list-file (&rest dirs)
   "Update LEIM list file in directories DIRS."
-  (dolist (function update-leim-list-functions)
-    (apply function dirs)))
+  ;; bug#46818: This `let'-binding is not necessary, but
+  ;; it reduces the recursion depth during bootstrap (at which
+  ;; point some of the core ELisp files haven't been byte-compiled
+  ;; yet, which causes deeper-than-normal recursion).
+  (let ((vc-handled-backends nil))
+    (dolist (function update-leim-list-functions)
+      (apply function dirs))))
 
 (defvar-local current-input-method nil
   "The current input method for multilingual text.