GDB 12 preparation -- 2022-03-06 update

[Joel Brobecker]

> >   * TBC: [BarisA/AndrewB] <PR cli/28833>
> >     Ctrl-D distorts GDB prompt
> >     https://sourceware.org/bugzilla/show_bug.cgi?id=28833
> >
> >
> >         Baris requested that we consider the bug above, which seems
> >         to be a GDB 11 regression for Baris.
> >
> >         IIUC, Andrew fixed the issue in upstream's readline, and
> >         now we just need to backport it.
> >         https://lists.gnu.org/archive/html/bug-readline/2022-03/msg00005.html
> 
> I've posted this series to the gdb list:
> 
>   https://sourceware.org/pipermail/gdb-patches/2022-March/186391.html
> 
> that fixes bug 28833.  There's a backport from readline, plus a GDB fix
> to use the new readline features.

Perfect. Thanks for the pointers, Andrew. And of course, for your help
on that one too!

-- 
Joel