rakudo segfault

... upon REPL exit

(gdb) run
Starting program: /home/moritz/bin/perl6 
[Thread debugging using libthread_db enabled]
> ~Date.new
Cannot unbox a type object as a native int
> 

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff3eb7858 in nqp_op_info_table ()
   from /home/moritz/p6/rakudo/install/lib/parrot/4.2.0-devel/dynext/nqp_ops.so
(gdb) bt
#0  0x00007ffff3eb7858 in nqp_op_info_table ()
   from /home/moritz/p6/rakudo/install/lib/parrot/4.2.0-devel/dynext/nqp_ops.so
#1  0x00007ffff7a6c736 in runops_fast_core ()
   from /home/moritz/p6/rakudo/install/lib/libparrot.so.4.2.0
#2  0x00007ffff7a6c5aa in runops_int ()
   from /home/moritz/p6/rakudo/install/lib/libparrot.so.4.2.0
#3  0x00007ffff7a5417e in runops ()
   from /home/moritz/p6/rakudo/install/lib/libparrot.so.4.2.0
#4  0x00007ffff7a4fa36 in Parrot_pcc_invoke_from_sig_object ()
   from /home/moritz/p6/rakudo/install/lib/libparrot.so.4.2.0
#5  0x00007ffff7a43e8d in Parrot_ext_call ()
   from /home/moritz/p6/rakudo/install/lib/libparrot.so.4.2.0
#6  0x00007ffff7b21ea8 in Parrot_Task_invoke ()
   from /home/moritz/p6/rakudo/install/lib/libparrot.so.4.2.0
#7  0x00007ffff7a4f9e2 in Parrot_pcc_invoke_from_sig_object ()
   from /home/moritz/p6/rakudo/install/lib/libparrot.so.4.2.0
#8  0x00007ffff7a43e8d in Parrot_ext_call ()
   from /home/moritz/p6/rakudo/install/lib/libparrot.so.4.2.0
#9  0x00007ffff7a7091d in Parrot_cx_outer_runloop ()
   from /home/moritz/p6/rakudo/install/lib/libparrot.so.4.2.0
#10 0x00007ffff7a709ad in Parrot_cx_begin_execution ()
   from /home/moritz/p6/rakudo/install/lib/libparrot.so.4.2.0
#11 0x00007ffff7a777e8 in Parrot_pf_execute_bytecode_program ()
---Type <return> to continue, or q <return> to quit---
   from /home/moritz/p6/rakudo/install/lib/libparrot.so.4.2.0
#12 0x00007ffff7a3f8fa in Parrot_api_run_bytecode ()
   from /home/moritz/p6/rakudo/install/lib/libparrot.so.4.2.0
#13 0x0000000000401550 in main ()
(gdb)