bug#69795: 29.1; cmdproxy.exe exits automatically after executing MSYS2 commands

[Eli Zaretskii]

> From: awrhygty@outlook.com
> Cc: 69795@debbugs.gnu.org
> Date: Mon, 18 Mar 2024 01:12:18 +0900
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> > Nothing jumps out as an obvious problem, but you did say that setting
> > PATH affects this?  How does it affect the problem?  Is there a recipe
> > where you invoke GDB with a different PATH, and don't see "Process
> > shell finished" after exiting GDB?  If so, can you show a recipe with
> > that different PATH?
> 
> Simply skipping PATH settings, cmdproxy.exe continues normally after
> quitting c:\msys64\mingw64\bin\gdb.exe(full path needed.)

So one of these two directories somehow triggers the problem?  Or do
you need both on PATH to trigger the problem, and if you only add
either one of them, the problem does not happen?