bug#30646: 27.0.50; Occur next-error and recentering bug

[Nathan Moreau <nathan.moreau@m4x.org>]

Also see #27362.

Nathan

On 28 February 2018 at 12:51,  <p.stephani2@gmail.com> wrote:
>
> M-x set-variable RET next-error-recenter RET (4) RET
> M-x occur, use something that gives results (e.g. ';;' in the scratch
> buffer)
> M-g M-n
>
> This signals an error
> next-error: ‘recenter’ing a window that does not display current-buffer.
>
> Stack trace is
>
> Debugger entered--Lisp error: (error "‘recenter’ing a window that does not
> display current-buffer.")
>   recenter((4))
>   next-error(nil)
>   funcall-interactively(next-error nil)
>   call-interactively(next-error nil nil)
>   command-execute(next-error)
>
>
> In GNU Emacs 27.0.50 (build 21, x86_64-pc-linux-gnu, GTK+ Version 3.22.24)
>  of 2018-02-28 built on localhost
> Repository revision: 108ce84432d597f92637ea74bd0a094224d157de
> Windowing system distributor 'The X.Org Foundation', version 11.0.11903000
> System Description: Debian GNU/Linux buster/sid
>
> Recent messages:
> For information about GNU Emacs and the GNU system, type C-h C-a.
>
> Configured using:
>  'configure --without-threads --enable-gcc-warnings=warn-only
>  --enable-gtk-deprecation-warnings --without-pop --with-mailutils
>  --enable-checking --enable-check-lisp-object-type --with-modules
>  'CFLAGS=-O0 -ggdb3''
>
> Configured features:
> XPM JPEG TIFF GIF PNG SOUND DBUS GSETTINGS NOTIFY GNUTLS FREETYPE XFT
> ZLIB TOOLKIT_SCROLL_BARS GTK3 X11 MODULES JSON
>
> Important settings:
>   value of $LANG: en_US.UTF-8
>   locale-coding-system: utf-8-unix
>
> Major mode: Lisp Interaction
>
> Minor modes in effect:
>   tooltip-mode: t
>   global-eldoc-mode: t
>   eldoc-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
>   auto-composition-mode: t
>   auto-encryption-mode: t
>   auto-compression-mode: t
>   line-number-mode: t
>   transient-mark-mode: t
>
> Load-path shadows:
> None found.
>
> Features:
> (shadow sort mail-extr emacsbug message rmc puny seq byte-opt gv
> bytecomp byte-compile cconv cl-loaddefs cl-lib dired dired-loaddefs
> format-spec rfc822 mml easymenu mml-sec password-cache epa derived epg
> epg-config gnus-util rmail rmail-loaddefs mm-decode mm-bodies mm-encode
> mail-parse rfc2231 mailabbrev gmm-utils mailheader sendmail rfc2047
> rfc2045 ietf-drums mm-util mail-prsvr mail-utils elec-pair time-date
> mule-util tooltip eldoc electric uniquify ediff-hook vc-hooks
> lisp-float-type mwheel term/x-win x-win term/common-win x-dnd tool-bar
> dnd fontset image regexp-opt fringe tabulated-list replace newcomment
> text-mode elisp-mode lisp-mode prog-mode register page menu-bar
> rfn-eshadow isearch timer select scroll-bar mouse jit-lock font-lock
> syntax facemenu font-core term/tty-colors frame cl-generic 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 charscript charprop
> case-table epa-hook jka-cmpr-hook help simple abbrev obarray minibuffer
> cl-preloaded nadvice loaddefs button faces cus-face macroexp files
> text-properties overlay sha1 md5 base64 format env code-pages mule
> custom widget hashtable-print-readable backquote dbusbind inotify
> dynamic-setting system-font-setting font-render-setting move-toolbar gtk
> x-toolkit x multi-tty make-network-process emacs)
>
> Memory information:
> ((conses 16 95129 7987)
>  (symbols 48 20164 1)
>  (miscs 40 40 121)
>  (strings 32 28285 2157)
>  (string-bytes 1 757754)
>  (vectors 16 14174)
>  (vector-slots 8 499090 14200)
>  (floats 8 50 67)
>  (intervals 56 223 0)
>  (buffers 992 12))
>
> --
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