bug#74642: 31.0.50; [Patch] Turn off current source line indicator when gdb buffer is killed

[Diancheng Wang <diancheng_wang@163.com>]

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Eli Zaretskii <eliz@gnu.org> writes:

>> From: Diancheng Wang <diancheng_wang@163.com>
>> Cc: 74642@debbugs.gnu.org
>> Date: Tue, 03 Dec 2024 10:04:30 +0800
>> 
>> Eli Zaretskii <eliz@gnu.org> writes:
>> 
>> > Thanks, but can you please describe the scenario in which the
>> > indicator is not removed?  I guess I don't really understand what you
>> > mean by "gdb buffer is killed": what I tried is simply end the
>> > debugging session by typing "q RET" at the GDB prompt.  And that
>> > removed the indicator.
>> 
>> Hi,
>> 
>> Sorry for confusing. I mean killing GDB interactive buffer directly by
>> typing "C-k RET" when gdb is stopped on a source line. The indicator is
>> not removed.
>
> I guess you mean "C-x k RET"?

Yes, I mean "C-x k RET"

>
> When I do that, Emacs asks me whether to kill the process associated
> with the buffer, and if I say YES, the indicator does disappear

Yes, the steps are same with me.

> (sometimes after a second, which I guess is needed for Emacs to kill
> the process).  Isn't that what you see?

No, the indicator does not disappear after I killed "*gud-myprogram*" buffer.
By the way I started emacs using "emacs -Q". The attachment is my
running emacs information (the buffer content created by
report-emacs-bug)


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In GNU Emacs 31.0.50 (build 1, x86_64-pc-linux-gnu, X toolkit, cairo
 version 1.15.12, Xaw3d scroll bars) of 2024-12-04 built on h4
Repository revision: d706be4b345f3e2d242c4f2ffb5e566845b2935d
Repository branch: master
System Description: TencentOS Server 3.2 (Final)

Configured using:
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 CC=/opt/rh/gcc-toolset-12/root/usr/bin/gcc
 CXX=/opt/rh/gcc-toolset-12/root/usr/bin/g++
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