bug#55712: 29.0.50; Bad interaction between icomplete and completion-auto-select.

[Knut Anders Hatlen]

With emacs -Q:

(icomplete-mode 1)
(setopt completion-auto-select t)
C-x C-f TAB TAB

The following error message is displayed in the minibuffer:

Error in post-command-hook (icomplete-post-command-hook): (wrong-type-argument 
integer-or-marker-p nil)


In GNU Emacs 29.0.50 (build 3, x86_64-pc-linux-gnu, GTK+ Version 3.24.33, cairo 
version 1.16.0)
 of 2022-05-29 built on dell
Repository revision: aa955dc569b361771e4d2b3b1d7b90c1ceea8b6a
Repository branch: master
System Description: Debian GNU/Linux bookworm/sid

Configured using:
 'configure --with-json --with-xml2 --with-modules
 --prefix=/usr/local/stow/emacs-master --with-pgtk --without-x
 CC=gcc-12'

Configured features:
CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GSETTINGS HARFBUZZ JPEG JSON
LCMS2 LIBOTF LIBSELINUX LIBXML2 MODULES NOTIFY INOTIFY PDUMPER PGTK PNG
RSVG SECCOMP SOUND SQLITE3 THREADS TIFF TOOLKIT_SCROLL_BARS XIM GTK3
ZLIB

Important settings:
  value of $LANG: nn_NO.UTF-8
  value of $XMODIFIERS: @im=ibus
  locale-coding-system: utf-8-unix

Major mode: Lisp Interaction

Minor modes in effect:
  icomplete-mode: t
  tooltip-mode: t
  global-eldoc-mode: t
  eldoc-mode: t
  show-paren-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  tool-bar-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  line-number-mode: t
  indent-tabs-mode: t
  transient-mark-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t

Load-path shadows:
None found.

Features:
(shadow sort mail-extr emacsbug message mailcap yank-media rmc puny
dired dired-loaddefs rfc822 mml mml-sec password-cache epa derived epg
rfc6068 epg-config gnus-util text-property-search time-date seq
mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils
mailheader sendmail rfc2047 rfc2045 ietf-drums mm-util mail-prsvr
mail-utils cus-edit pp cus-start cus-load wid-edit icomplete cl-loaddefs
cl-lib term/xterm xterm gv subr-x byte-opt bytecomp byte-compile cconv
iso-transl tooltip eldoc paren electric uniquify ediff-hook vc-hooks
lisp-float-type elisp-mode mwheel term/pgtk-win pgtk-win term/common-win
tool-bar dnd fontset image regexp-opt fringe tabulated-list replace
newcomment text-mode lisp-mode prog-mode register page tab-bar menu-bar
rfn-eshadow isearch easymenu timer select scroll-bar mouse jit-lock
font-lock syntax font-core term/tty-colors frame minibuffer nadvice
simple cl-generic indonesian philippine cham georgian utf-8-lang
misc-lang vietnamese tibetan thai tai-viet lao korean japanese eucjp-ms
cp51932 hebrew greek romanian slovak czech european ethiopic indian
cyrillic chinese composite emoji-zwj charscript charprop case-table
epa-hook jka-cmpr-hook help abbrev obarray oclosure cl-preloaded button
loaddefs faces cus-face macroexp files window text-properties overlay
sha1 md5 base64 format env code-pages mule custom widget keymap
hashtable-print-readable backquote threads dbusbind inotify
dynamic-setting system-font-setting font-render-setting cairo gtk pgtk
lcms2 multi-tty make-network-process emacs)

Memory information:
((conses 16 73863 6888)
 (symbols 48 7496 2)
 (strings 32 19656 1982)
 (string-bytes 1 597351)
 (vectors 16 10036)
 (vector-slots 8 119240 6882)
 (floats 8 34 23)
 (intervals 56 1281 68)
 (buffers 992 12))

-- 
Knut Anders