bug#38549: closed (27.0.50; Infloop when doing completion-at-point in shell-mode)

[GNU bug Tracking System]

Your message dated Sat, 18 Jan 2020 11:57:44 +0200
with message-id <address@hidden>
and subject line Re: bug#39075: 28.0.50; Emacs hangs on 100% CPU and grows 
beyond bounds in shell-mode
has caused the debbugs.gnu.org bug report #39075,
regarding 27.0.50; Infloop when doing completion-at-point in shell-mode
to be marked as done.

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-- 
39075: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=39075
GNU Bug Tracking System
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> --- Begin Message ---
>
>
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> Subject: 
>
> 27.0.50; Infloop when doing completion-at-point in shell-mode
>
>
>
>
> Date: 
>
> Mon, 09 Dec 2019 11:48:20 -0500
>
>
>
>
> User-agent: 
>
> Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux)
>
>
>
>
> Hitting TAB after a semicolon in a shell buffer causes an infloop in
> `shell--parse-pcomplete-arguments'.
>
> emacs -Q
> M-x shell RET
> ; TAB
>
> In GNU Emacs 27.0.50 (build 1, x86_64-pc-linux-gnu, X toolkit)
>  of 2019-12-09 built on pd4.ta.sei.cmu.edu
> Repository revision: bb8f46d55bb369589ae475e47ad948da88c0d31d
> Repository branch: master
> Windowing system distributor 'The X.Org Foundation', version 11.0.12004000
> System Description: Red Hat Enterprise Linux Server 7.6 (Maipo)
>
> Configured using:
>  'configure --without-toolkit-scroll-bars --with-wide-int
>  --prefix=/home/mwd/ --with-jpeg=ifavailable
>  PKG_CONFIG_PATH=/opt/rh/devtoolset-8/root/usr/lib64/pkgconfig'
>
> Configured features:
> XAW3D XPM TIFF GIF PNG SOUND GSETTINGS GLIB NOTIFY INOTIFY LIBSELINUX
> GNUTLS LIBXML2 FREETYPE HARFBUZZ M17N_FLT LIBOTF XFT ZLIB LUCID X11 XDBE
> XIM MODULES THREADS PDUMPER GMP
>
> Important settings:
>   value of $LANG: en_US.UTF-8
>   value of $XMODIFIERS: @im=ibus
>   locale-coding-system: utf-8-unix
>
> -- 
> Michael Welsh Duggan
> (address@hidden)
>
>
>
> --- End Message ---
> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: bug#39075: 28.0.50; Emacs hangs on 100% CPU and grows beyond bounds in shell-mode
>
>
>
>
> Date: 
>
> Sat, 18 Jan 2020 11:57:44 +0200
>
>
>
>
> > From: Pieter van Oostrum <address@hidden>
> > Date: Thu, 16 Jan 2020 20:21:37 +0100
> > Cc: address@hidden
> > 
> > Pieter van Oostrum <address@hidden> writes:
> > 
> > > Michael Welsh Duggan <address@hidden> writes:
> > >
> > >> This seems very similar to the bug I reported at bug#38549.  Could you
> > >> see if this also fixes that recipe and, if so, merge the bugs?
> > >>
> > > Yes, the same fix solves that bug also. It is the same bug.
> > 
> > I propose to amend the test also, so that it would have caught this error (by 
> > hanging). I add both patches here now. I have tested that all other things 
> > worked the same and found no problems.
>
> Thanks, pushed to the release branch.
>
> > Is there an official procedure for requesting the change, or is posting it 
> > here sufficient?
>
> It is sufficient to post here, but:
>
>  . please in the future provide a ChangeLog-style commit log message
>    (see CONTRIBUTE for more about this);
>  . it looks like the disclaimer of your employer has expired several
>    years ago, so if you want to continue contributing to Emacs, I
>    suggest to start/renew your legal paperwork.
>
>
> --- End Message ---