runtime(termdebug): check for gdb file/dir before using as buffer name Commit: https://github.com/vim/vim/commit/62ccaa60d5f7f9a13c758bd5e55b7ca6855a6de9 Author: Ubaldo Tiberi <ubaldo.tiberi@volvo.com> Date: Tue May 21 23:33:03 2024 +0200 runtime(termdebug): check for gdb file/dir before using as buffer name Add test so that this doesn't regress. fixes: #12718 closes: #14792 Signed-off-by: Ubaldo Tiberi <ubaldo.tiberi@volvo.com> Signed-off-by: Christian Brabandt <cb@256bit.org>