minetest debug build segfault gdb

(gdb) run
Starting program: ~/Desktop/latest_minetest_vanillaplus/bin/minetest
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7ffff4b92640 (LWP 39146)]
[Thread 0x7ffff4b92640 (LWP 39146) exited]
[New Thread 0x7fffeffff640 (LWP 39147)]
[Thread 0x7fffeffff640 (LWP 39147) exited]
[New Thread 0x7fffeffff640 (LWP 39148)]
[New Thread 0x7ffff42c5640 (LWP 39149)]
[New Thread 0x7fffdefd7640 (LWP 39150)]

Thread 1 "minetest" received signal SIGSEGV, Segmentation fault.
0x0000555555822f15 in JoystickController::handleEvent (this=0x0, ev=...)
    at ~/Desktop/latest_minetest_vanillaplus/src/client/joystick_controller.cpp:197
197     if (ev.Joystick != m_joystick_id)
(gdb)