Tags: patch

To reproduce,

1. emacs -Q 
2. M-x customize-group RET dired RET
3. Click the triangle of Dired Create Destination Dirs On Trailing Dirsep

In GNU Emacs 30.0.50 (build 8, x86_64-pc-linux-gnu, X toolkit, cairo
 version 1.18.0, Xaw scroll bars) of 2024-05-07 built on astatine
Repository revision: 4b31074f5f49898ba0499a2b617cad425750eafa
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version 11.0.12101011
System Description: Debian GNU/Linux trixie/sid

Configured using:
 'configure --with-sound=alsa --with-x-toolkit=lucid --with-json
 --without-xaw3d --without-gconf --without-libsystemd --with-cairo
 --with-xft'