SEGV during spectest run

gistfile1.txt

dogbert@dogbert-VirtualBox:~/repos/rakudo$ gdb install/bin/moar core.moar.1000.f4e1afea0509471c9f4e9e8a321dd81a.1641486.1627731959000000000000
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Reading symbols from install/bin/moar...
[New LWP 1641486]
[New LWP 1641487]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/home/dogbert/repos/rakudo/nqp/MoarVM/../../install/bin/moar --execname=/home/d'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  MVM_gc_root_add_frame_registers_to_worklist (tc=0x5596ab1cae40, worklist=0x5596ae452820, frame=0x7fa42ad34880) at src/gc/roots.c:497
497	                frame->params.legacy.arg_flags && frame->params.legacy.callsite->has_flattening) {
[Current thread is 1 (Thread 0x7fa42ad51440 (LWP 1641486))]
(gdb) bt
#0  MVM_gc_root_add_frame_registers_to_worklist (tc=0x5596ab1cae40, worklist=0x5596ae452820, frame=0x7fa42ad34880) at src/gc/roots.c:497
#1  0x00007fa42b36597c in MVM_gc_root_add_frame_roots_to_worklist (tc=0x5596ab1cae40, worklist=0x5596ae452820, cur_frame=0x7fa42ad34880) at src/gc/roots.c:447
#2  0x00007fa42b3273c9 in mark (tc=0x5596ab1cae40, from_record=0x7fa42ad34870, worklist=0x5596ae452820, snapshot=0x0) at src/core/callstack.c:524
#3  0x00007fa42b328690 in MVM_callstack_mark_current_thread (tc=0x5596ab1cae40, worklist=0x5596ae452820, snapshot=0x0) at src/core/callstack.c:609
#4  0x00007fa42b361d8b in MVM_gc_root_add_tc_roots_to_worklist (tc=0x5596ab1cae40, worklist=0x5596ae452820, snapshot=0x0) at src/gc/roots.c:173
#5  0x00007fa42b367080 in MVM_gc_collect (tc=0x5596ab1cae40, what_to_do=0 '\000', gen=0 '\000') at src/gc/collect.c:121
#6  0x00007fa42b35ba92 in run_gc (tc=0x5596ab1cae40, what_to_do=0 '\000') at src/gc/orchestrate.c:443
#7  0x00007fa42b35c16c in MVM_gc_enter_from_allocator (tc=0x5596ab1cae40) at src/gc/orchestrate.c:598
#8  0x00007fa42b35cbef in MVM_gc_allocate_nursery (tc=0x5596ab1cae40, size=80) at src/gc/allocation.c:37
#9  0x00007fa42b35c9e2 in MVM_gc_allocate (tc=0x5596ab1cae40, size=80) at src/gc/allocation.h:18
#10 0x00007fa42b35cc7c in MVM_gc_allocate_zeroed (tc=0x5596ab1cae40, size=80) at src/gc/allocation.c:56
#11 0x00007fa42b35d00a in MVM_gc_allocate_object (tc=0x5596ab1cae40, st=0x5596ab235c98) at src/gc/allocation.c:93
#12 0x00007fa42b38962d in MVM_repr_alloc_init (tc=0x5596ab1cae40, type=0x5596ab2414d8) at src/6model/reprconv.c:17
#13 0x00007fa42b43b219 in MVM_spesh_log_create (tc=0x5596ab1cae40, target_thread=0x5596ab272c50) at src/spesh/log.c:17
#14 0x00007fa42b43b4c8 in send_log (tc=0x5596ab1cae40, sl=0x5596acaba450) at src/spesh/log.c:48
#15 0x00007fa42b43b549 in commit_entry (tc=0x5596ab1cae40, sl=0x5596acaba450) at src/spesh/log.c:58
#16 0x00007fa42b43b815 in log_param_type (tc=0x5596ab1cae40, cid=15821, arg_idx=0, value=0x5596ae4f05d0, kind=MVM_SPESH_LOG_PARAMETER, rw_cont=0) at src/spesh/log.c:92
#17 0x00007fa42b43b8d3 in log_parameter (tc=0x5596ab1cae40, cid=15821, arg_idx=0, param=0x5596ae4f05d0) at src/spesh/log.c:96
#18 0x00007fa42b43bbb9 in MVM_spesh_log_entry (tc=0x5596ab1cae40, cid=15821, sf=0x5596accb1980, args=...) at src/spesh/log.c:130
#19 0x00007fa42b320333 in MVM_frame_dispatch (tc=0x5596ab1cae40, code=0x5596accd59b8, args=..., spesh_cand=-1) at src/core/frame.c:670
#20 0x00007fa42b411803 in MVM_disp_program_run (tc=0x5596ab1cae40, dp=0x5596adc820d0, record=0x7fa42ad34708, spesh_cid=0, bytecode_offset=154, dp_index=0) at src/disp/program.c:2820
#21 0x00007fa42b4051fa in dispatch_polymorphic (tc=0x5596ab1cae40, entry_ptr=0x5596adc84398, seen=0x5596ae194920, id=0x5596accc3580, callsite=0x5596ab29d890, arg_indices=0x7fa4281f3cd2, source=0x5596ab29de20, 
    sf=0x5596accb6880, bytecode_offset=154) at src/disp/inline_cache.c:176
#22 0x00007fa42b3067e3 in MVM_interp_run (tc=0x5596ab1cae40, initial_invoke=0x7fa42b4ad0b2 <toplevel_initial_invoke>, invoke_data=0x5596ab2839d0, outer_runloop=0x0) at src/core/interp.c:5501
#23 0x00007fa42b4ad213 in MVM_vm_run_file (instance=0x5596ab1ca2a0, filename=0x7ffd89c9d170 "/home/dogbert/repos/rakudo/rakudo.moarvm") at src/moar.c:506
#24 0x00005596a929cc87 in main (argc=7, argv=0x7ffd89c9cc08) at src/main.c:305
(gdb) p frame
$1 = (MVMFrame *) 0x7fa42ad34880
(gdb) p frame.params
$2 = {version = 1 '\001', legacy = {callsite = 0x0, arg_flags = 0x7fa42ad34704 "", args = 0x0, arg_count = 51712, num_pos = 11155, flag_count = 32676}, arg_info = {callsite = 0x5596ad596340, 
    source = 0x5596ae4bfd60, map = 0x5596ab247cf0}, named_used = {byte_array = 0x5596ab2e1cf0 "", bit_field = 94105605381360}, named_used_size = 1}
(gdb) p frame.params.legacy
$3 = {callsite = 0x0, arg_flags = 0x7fa42ad34704 "", args = 0x0, arg_count = 51712, num_pos = 11155, flag_count = 32676}
(gdb) p frame.params.legacy.arg_flags
$4 = (MVMCallsiteEntry *) 0x7fa42ad34704 ""
(gdb) p frame
$5 = (MVMFrame *) 0x7fa42ad34880
(gdb) p frame->params
$6 = {version = 1 '\001', legacy = {callsite = 0x0, arg_flags = 0x7fa42ad34704 "", args = 0x0, arg_count = 51712, num_pos = 11155, flag_count = 32676}, arg_info = {callsite = 0x5596ad596340, 
    source = 0x5596ae4bfd60, map = 0x5596ab247cf0}, named_used = {byte_array = 0x5596ab2e1cf0 "", bit_field = 94105605381360}, named_used_size = 1}
(gdb) p frame->params.legacy
$7 = {callsite = 0x0, arg_flags = 0x7fa42ad34704 "", args = 0x0, arg_count = 51712, num_pos = 11155, flag_count = 32676}
(gdb) p frame->params.legacy.callsite
$8 = (MVMCallsite *) 0x0
(gdb) inf threads
  Id   Target Id                           Frame 
* 1    Thread 0x7fa42ad51440 (LWP 1641486) MVM_gc_root_add_frame_registers_to_worklist (tc=0x5596ab1cae40, worklist=0x5596ae452820, frame=0x7fa42ad34880) at src/gc/roots.c:497
  2    Thread 0x7fa42ad0d700 (LWP 1641487) futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5596ab1ca424) at ../sysdeps/nptl/futex-internal.h:183
(gdb)