Starting program: /home/froggs/dev/nqp/install/bin/moar --libpath=/home/froggs/dev/nqp/install/languages/nqp/lib --libpath=/home/froggs/dev/nqp/install/languages/perl6/lib --libpath=/home/froggs/dev/nqp/install/languages/perl6/runtime /home/froggs/dev/nqp/install/languages/perl6/runtime/perl6.moarvm -e enum\ Foo\ \<bar\>
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
key

Breakpoint 1, MVM_sc_wb_hit_st (tc=tc@entry=0x603430, st=0x119cd60) at src/6model/sc.c:360
360	        dump_backtrace(tc);
(gdb) bt full
#0  MVM_sc_wb_hit_st (tc=tc@entry=0x603430, st=0x119cd60) at src/6model/sc.c:360
        new_slot = <optimized out>
        comp_sc = 0x3c63c80
#1  0x00007ffff79d40d7 in MVM_interp_run (tc=tc@entry=0x603430, initial_invoke=initial_invoke@entry=0x7ffff7a251e2 <toplevel_initial_invoke>, 
    invoke_data=<optimized out>) at src/core/interp.c:2734
        check = <optimized out>
        obj = <optimized out>
        new_flags = <optimized out>
        flag = <optimized out>
        op = <optimized out>
        cur_op = 0x7ffff4f498ee "\022"
        bytecode_start = 0x7ffff4f495e6 "\237"
        reg_base = 0x43bab20
        cu = 0x709438
        cur_callsite = 0x2bb1e90
#2  0x00007ffff7a2588b in MVM_vm_run_file (instance=instance@entry=0x603010, filename=<optimized out>) at src/moar.c:176
        start_frame = <optimized out>
        tc = 0x603430
        cu = 0x7ffff63fa6a0
#3  0x0000000000400ceb in main (argc=7, argv=0x7fffffffdda8) at src/main.c:146
        instance = 0x603010
        input_file = <optimized out>
        lib_path = {0x7fffffffe189 "/home/froggs/dev/nqp/install/languages/nqp/lib", 0x7fffffffe1c2 "/home/froggs/dev/nqp/install/languages/perl6/lib", 
          0x7fffffffe1fd "/home/froggs/dev/nqp/install/languages/perl6/runtime", 0x0, 0xf0b2ff "@", 0xc2 <Address 0xc2 out of bounds>, 0x1 <Address 0x1 out of bounds>, 
          0x400d6d <__libc_csu_init+93> "H\203\303\001H9\353u\352H\213\\$\bH\213l$\020L\213d$\030L\213l$ L\213t$(L\213|$0H\203\304\070\303\017\037\200"}
        dump = 0
        argi = <optimized out>
        lib_path_i = 3