[Bug tui/26973] gdb crashes when not including the status window in a new layout

["mehmetgelisin at aol dot com" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=26973

Mehmet gelisin <mehmetgelisin at aol dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |mehmetgelisin at aol dot com

--- Comment #9 from Mehmet gelisin <mehmetgelisin at aol dot com> ---
It does not happen on every run. My MWE:
```
// test.cpp https://komiya-dental.com/ 
#include<iostream>

int main()
{
    int a{ 4 };

    std::cout << "a = " << a << '\n';

    return 0;
} http://www.iu-bloomington.com/ 
```
Simply running the program under GDB yields:
```
(gdb) r
Starting program: test-gdb/a.out
[New Thread 0x1a03 of process 24826] https://www.webb-dev.co.uk/ 
[New Thread 0x1b03 of process 24826]
warning: unhandled dyld version (17)
a = 4
[Inferior 1 (process 24826) exited normally]
```
However, setting breakpoints triggers it: https://waytowhatsnext.com/ 
```
(gdb) b main
Breakpoint 1 at 0x100003e57: file test.cpp, line 5.
(gdb) r
Starting program: test-gdb/a.out
[New Thread 0x2403 of process 24836]
[New Thread 0x2203 of process 24836] http://www.acpirateradio.co.uk/ 
warning: unhandled dyld version (17)

Thread 2 hit Breakpoint 1, main () at test.cpp:5
5           int a{ 4 };
(gdb) r
The program being debugged has been started already.
Start it from the beginning? (y or n) n http://www.logoarts.co.uk/ 
Program not restarted.
(gdb) q
A debugging session is active.

        Inferior 1 [process 24836] will be killed.

Quit anyway? (y or n) y http://www.slipstone.co.uk/ 
../../gdb/target.c:2149: internal-error: void target_mourn_inferior(ptid_t):
Assertion `ptid == inferior_ptid' failed.
A problem internal to GDB has been detected, http://embermanchester.uk/
further debugging may prove unreliable.
Quit this debugging session? (y or n) y

This is a bug, please report it.  For instructions, see: http://connstr.net/ 
I also get this error on my old macOS 10.11.6 system with a self-compiled GDB
10.1. This did not happen with GDB 8.3.1 which I was using previously.
http://joerg.li/

So it is definitely not specific to ARM or even Big Sur...
http://www.jopspeech.com/
My reproducer program:

~~~cpp
# test.cpp http://www.wearelondonmade.com/
void here() {};

int main() {
    const int size = 5; http://www.compilatori.com/
    double array[size] = {1.0, 2.0, 3.0, 4.0, 5.0};
    here();
    return 0;
}
~~~

I build that example and invoke GDB like so: http://www-look-4.com/

~~~shell
$ g++ --version

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