Rakudo SEGV

rakudo-segv

Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00007f9a85de6249 in exists_key () from //home/vrurg/src/Raku/rakudo-master/install/lib/libmoar.so
[Current thread is 1 (Thread 0x7f9a857db440 (LWP 3931316))]

(gdb) info threads
  Id   Target Id                           Frame
* 1    Thread 0x7f9a857db440 (LWP 3931316) 0x00007f9a85de6249 in exists_key ()
   from //home/vrurg/src/Raku/rakudo-master/install/lib/libmoar.so
  2    Thread 0x7f9a857d9700 (LWP 3931317) 0x00007f9a85e3a0a5 in add_usage_for_bb ()
   from //home/vrurg/src/Raku/rakudo-master/install/lib/libmoar.so
   
(gdb) thread 1
[Switching to thread 1 (Thread 0x7f9a857db440 (LWP 3931316))]
#0  0x00007f9a85de6249 in exists_key () from //home/vrurg/src/Raku/rakudo-master/install/lib/libmoar.so
(gdb) bt
#0  0x00007f9a85de6249 in exists_key () from //home/vrurg/src/Raku/rakudo-master/install/lib/libmoar.so
#1  0x00007f9a85d7f8da in MVM_interp_run () from //home/vrurg/src/Raku/rakudo-master/install/lib/libmoar.so
#2  0x000055e6457448f0 in main ()

(gdb) thread 2
[Switching to thread 2 (Thread 0x7f9a857d9700 (LWP 3931317))]
#0  0x00007f9a85e3a0a5 in add_usage_for_bb () from //home/vrurg/src/Raku/rakudo-master/install/lib/libmoar.so
(gdb) bt
#0  0x00007f9a85e3a0a5 in add_usage_for_bb () from //home/vrurg/src/Raku/rakudo-master/install/lib/libmoar.so
#1  0x00007f9a85e3a04e in add_usage_for_bb () from //home/vrurg/src/Raku/rakudo-master/install/lib/libmoar.so
#2  0x00007f9a85e3a04e in add_usage_for_bb () from //home/vrurg/src/Raku/rakudo-master/install/lib/libmoar.so
#3  0x00007f9a85e3a04e in add_usage_for_bb () from //home/vrurg/src/Raku/rakudo-master/install/lib/libmoar.so
#4  0x00007f9a85e3a04e in add_usage_for_bb () from //home/vrurg/src/Raku/rakudo-master/install/lib/libmoar.so
#5  0x00007f9a85e3a04e in add_usage_for_bb () from //home/vrurg/src/Raku/rakudo-master/install/lib/libmoar.so
#6  0x00007f9a85e3bc03 in MVM_spesh_facts_discover () from //home/vrurg/src/Raku/rakudo-master/install/lib/libmoar.so
#7  0x00007f9a85e50b39 in MVM_spesh_candidate_add () from //home/vrurg/src/Raku/rakudo-master/install/lib/libmoar.so
#8  0x00007f9a85e48429 in worker () from //home/vrurg/src/Raku/rakudo-master/install/lib/libmoar.so
#9  0x00007f9a85da3fa1 in thread_initial_invoke () from //home/vrurg/src/Raku/rakudo-master/install/lib/libmoar.so
#10 0x00007f9a85d79237 in MVM_interp_run () from //home/vrurg/src/Raku/rakudo-master/install/lib/libmoar.so
#11 0x00007f9a85da406d in start_thread () from //home/vrurg/src/Raku/rakudo-master/install/lib/libmoar.so
#12 0x00007f9a857eb609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#13 0x00007f9a85a76293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95