Panic when running t/spec/S17-channel/subscription-drain-in-react.t

gistfile1.txt

Thread 1 "moar" hit Breakpoint 1, MVM_panic (exitCode=1, messageFormat=0x7ffff7699878 "Zeroed owner in item added to GC worklist") at src/core/exceptions.c:830
830	MVM_NO_RETURN void MVM_panic(MVMint32 exitCode, const char *messageFormat, ...) {
(gdb) bt
#0  MVM_panic (exitCode=1, messageFormat=0x7ffff7699878 "Zeroed owner in item added to GC worklist") at src/core/exceptions.c:830
#1  0x00007ffff74f76ff in scan_lexicals (tc=0x604a70, worklist=0x3b4d950, frame=0x6f56a0) at src/gc/roots.c:496
#2  0x00007ffff74f695e in MVM_gc_root_add_frame_roots_to_worklist (tc=0x604a70, worklist=0x3b4d950, cur_frame=0x6f56a0) at src/gc/roots.c:418
#3  0x00007ffff74fb59c in MVM_gc_mark_collectable (tc=0x604a70, worklist=0x3b4d950, new_addr=0x6f56a0) at src/gc/collect.c:423
#4  0x00007ffff74f8892 in process_worklist (tc=0x604a70, worklist=0x3b4d950, wtp=0x7fffffffbca0, gen=0 '\000') at src/gc/collect.c:348
#5  0x00007ffff74f8357 in MVM_gc_collect (tc=0x604a70, what_to_do=1 '\001', gen=0 '\000') at src/gc/collect.c:147
#6  0x00007ffff74ed4a2 in run_gc (tc=0x604a70, what_to_do=1 '\001') at src/gc/orchestrate.c:414
#7  0x00007ffff74edcb5 in MVM_gc_enter_from_interrupt (tc=0x604a70) at src/gc/orchestrate.c:618
#8  0x00007ffff74ed0f0 in MVM_gc_mark_thread_blocked (tc=0x604a70) at src/gc/orchestrate.c:297
#9  0x00007ffff7563574 in MVM_reentrantmutex_lock (tc=0x604a70, rm=0x32b0a10) at src/6model/reprs/ReentrantMutex.c:136
#10 0x00007ffff758be20 in MVM_serialization_demand_object (tc=0x604a70, sc=0x352d3e0, idx=21) at src/6model/serialization.c:2815
#11 0x00007ffff758005a in MVM_sc_get_object (tc=0x604a70, sc=0x352d3e0, idx=21) at src/6model/sc.c:206
#12 0x00007ffff74b2be0 in create_context_only (tc=0x604a70, static_frame=0x24a4a58, code_ref=0x34e9638, autoclose=1) at src/core/frame.c:179
#13 0x00007ffff74b2e69 in autoclose (tc=0x604a70, needed=0x24a4a58) at src/core/frame.c:233
#14 0x00007ffff74b3b9a in MVM_frame_invoke (tc=0x604a70, static_frame=0x24a5620, callsite=0x7ffff7c9d420 <inv_arg_callsite>, args=0x6da0a0, outer=0x0, code_ref=0x34e99e0, spesh_cand=-1) at src/core/frame.c:474
#15 0x00007ffff7538661 in invoke_handler (tc=0x604a70, invokee=0x34e99e0, callsite=0x7ffff7c9d420 <inv_arg_callsite>, args=0x6da0a0) at src/6model/reprs/MVMCode.c:10
#16 0x00007ffff747e864 in MVM_interp_run (tc=0x604a70, initial_invoke=0x7ffff763083c <toplevel_initial_invoke>, invoke_data=0x6a5cb8) at src/core/interp.c:1048
#17 0x00007ffff76309a1 in MVM_vm_run_file (instance=0x604010, filename=0x7fffffffe1a6 "/home/dogbert/repos/rakudo/perl6.moarvm") at src/moar.c:444
#18 0x00000000004016e7 in main (argc=10, argv=0x7fffffffdd28) at src/main.c:302