gdb not working

[Lemke, Michael SF/HZA-ZIC2]

I just installed a fresh copy of Cygwin and gdb with setup-x86_64.exe.
However, gdb does not produce any output.

Installing gdb versions 7.9.1-1 and 7.10.1-1 work, anything newer doesn't.
Any ideas why?

pc> gdb -v
GNU gdb (GDB) Cygwin 7.9.1-1
Copyright (C) 2015 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-pc-cygwin".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word".

Install gdb 7.10.1-1
 pc> gdb -v
GNU gdb (GDB) (Cygwin 7.10.1-1) 7.10.1
Copyright (C) 2015 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-pc-cygwin".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word".

Install gdb 7.12.1-2
 pc> gdb -v
Install gdb 8.0.1-1
 pc> gdb -v
 pc> cygcheck -c gdb
Cygwin Package Information
Package              Version        Status
gdb                  8.0.1-1        OK
 pc> uname -a
CYGWIN_NT-10.0 pc 3.1.7(0.340/5/3) 2020-08-22 17:48 x86_64 Cygwin