lldb can't run commands depending on output device type

[lb90]

Description / Steps to reproduce the issue

1. Open the CLANG64 MSYS2 shell
2. lldb /clang64/bin/glib-compile-resources.exe
3. run

Expected behavior

The child process is launched

Actual behavior

(lldb) run
error: The parameter is incorrect.
(lldb) 

Additional details

If I run lldb from CMD the error doesn't happen:

cd C:\msys64\clang64\bin
lldb glib-compile-resources.exe
(lldb) run
Process 16096 launched: 'C:\msys64\clang64\bin\glib-compile-resources.exe' (x86_64)

If I run lldb from the CLANG64 MSYS2 shell but pipe to tee or cat, the error doesn't happen:

lldb glib-compile-resources.exe | cat
(lldb) r
Process 1664 launched: 'C:\msys64\clang64\bin\glib-compile-resources.exe' (x86_64)

Verification

• [x] I have verified that my MSYS2 is up-to-date before submitting the report (see https://www.msys2.org/docs/updating/)

Windows Version

MINGW64_NT-10.0-26200

MINGW environments affected

• [ ] MINGW64
• [ ] MINGW32
• [ ] UCRT64
• [x] CLANG64
• [ ] CLANGARM64

Are you willing to submit a PR?

Yes

[lb90]

IMO the error is triggered only when the output is ConPTY

[ognevny]

with winpty it seems to work