makes gdb crash

[ghost]

[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/arm-linux-gnueabihf/libthread_db.so.1".
__GI___poll (timeout=100, nfds=1, fds=0xbed30650) at ../sysdeps/unix/sysv/linux/poll.c:29
29 ../sysdeps/unix/sysv/linux/poll.c: No such file or directory.
custom command => blocked - command show how threads blocks themselves waiting on mutexes

---

Displaying blocking threads using 'blocked' command
/build/gdb-Y5K2MU/gdb-8.2.1/gdb/inline-frame.c:156: internal-error: void inline_frame_this_id(frame_info*, void**, frame_id*): Assertion `frame_id_p (*this_id)' fail.
A problem internal to GDB has been detected,
further debugging may prove unreliable.
Quit this debugging session? (y or n) [answered Y; input not from terminal]

This is a bug, please report it. For instructions, see:
http://www.gnu.org/software/gdb/bugs/.

/build/gdb-Y5K2MU/gdb-8.2.1/gdb/inline-frame.c:156: internal-error: void inline_frame_this_id(frame_info*, void**, frame_id*): Assertion `frame_id_p (*this_id)' fail.
A problem internal to GDB has been detected,
further debugging may prove unreliable.
Create a core file of GDB? (y or n) [answered Y; input not from terminal]
Aborted (core dumped)