#0  0x0000559268018dcf in __kb_getp_aux_bufhl (r=<synthetic pointer>, k=0x7ffe2e963c68, x=0x55926873dda0)
    at ../src/nvim/bufhl_defs.h:39
#1  kb_itr_getp_bufhl (itr=0x7ffe2e963cb0, k=0x7ffe2e963c68, b=0x559268420618) at ../src/nvim/bufhl_defs.h:39
#2  kb_del_itr_bufhl (itr=0x7ffe2e963cb0, b=0x559268420618) at ../src/nvim/bufhl_defs.h:39
#3  bufhl_clear_line_range (buf=0x55926841da60, src_id=1, line_start=1, line_end=27) at ../src/nvim/buffer.c:5494
#4  0x000055926803a390 in nvim_buf_clear_namespace (buffer=<optimized out>, ns_id=1, line_start=0, line_end=27, err=0x7ffe2e9641b0)
    at ../src/nvim/api/buffer.c:1068
#5  0x000055926803a501 in nvim_buf_clear_highlight (buffer=<optimized out>, ns_id=<optimized out>, line_start=<optimized out>,
    line_end=<optimized out>, err=<optimized out>) at ../src/nvim/api/buffer.c:1088
#6  0x000055926803a643 in handle_nvim_buf_clear_highlight (channel_id=<optimized out>, args=..., error=<optimized out>)
    at src/nvim/auto/api/private/dispatch_wrappers.generated.h:1544
#7  0x0000559267fef12e in api_wrapper (argvars=<optimized out>, rettv=0x7ffe2e964f60,
    fptr=0x55926803a506 <handle_nvim_buf_clear_highlight>) at ../src/nvim/eval.c:6685
#8  0x0000559267fef63a in call_func (funcname=funcname@entry=0x559268a02a10 "nvim_buf_clear_highlight", len=<optimized out>,
    rettv=rettv@entry=0x7ffe2e964f60, argcount_in=argcount_in@entry=4, argvars_in=argvars_in@entry=0x7ffe2e9644a0,
    argv_func=argv_func@entry=0x0, firstline=13, lastline=13, doesrange=0x7ffe2e96449c, evaluate=true, partial=0x0,
    selfdict_in=0x0) at ../src/nvim/eval.c:6553
#9  0x0000559267fef80c in func_call (name=<optimized out>, args=args@entry=0x7ffe2e964900, partial=partial@entry=0x0,
    selfdict=0x0, rettv=rettv@entry=0x7ffe2e964f60) at ../src/nvim/eval.c:7538
#10 0x0000559267fef8dd in f_call (argvars=0x7ffe2e9648f0, rettv=0x7ffe2e964f60, fptr=<optimized out>) at ../src/nvim/eval.c:7585
#11 0x0000559267fef63a in call_func (funcname=funcname@entry=0x5592689ee820 "call", len=len@entry=4,
    rettv=rettv@entry=0x7ffe2e964f60, argcount_in=argcount_in@entry=2, argvars_in=argvars_in@entry=0x7ffe2e9648f0,
    argv_func=argv_func@entry=0x0, firstline=13, lastline=13, doesrange=0x7ffe2e964ac4, evaluate=true, partial=0x0,
    selfdict_in=0x0) at ../src/nvim/eval.c:6553
#12 0x0000559267fefb06 in get_func_tv (name=0x5592689ee820 "call", len=4, rettv=0x7ffe2e964f60, arg=0x7ffe2e964f10, firstline=13,
    lastline=13, doesrange=0x7ffe2e964ac4, evaluate=1, partial=0x0, selfdict=0x0) at ../src/nvim/eval.c:6294
#13 0x0000559267ff46c3 in eval7 (arg=arg@entry=0x7ffe2e964f10, rettv=rettv@entry=0x7ffe2e964f60, evaluate=evaluate@entry=1,
    want_string=want_string@entry=0) at ../src/nvim/eval.c:4397
#14 0x0000559267ff488f in eval6 (arg=arg@entry=0x7ffe2e964f10, rettv=rettv@entry=0x7ffe2e964f60, evaluate=evaluate@entry=1,
    want_string=want_string@entry=0) at ../src/nvim/eval.c:4094
#15 0x0000559267ff4ba3 in eval5 (arg=arg@entry=0x7ffe2e964f10, rettv=rettv@entry=0x7ffe2e964f60, evaluate=evaluate@entry=1)
    at ../src/nvim/eval.c:3942
#16 0x0000559267ff2b6c in eval4 (arg=arg@entry=0x7ffe2e964f10, rettv=rettv@entry=0x7ffe2e964f60, evaluate=evaluate@entry=1)
    at ../src/nvim/eval.c:3678
#17 0x0000559267ff34f7 in eval3 (arg=arg@entry=0x7ffe2e964f10, rettv=rettv@entry=0x7ffe2e964f60, evaluate=evaluate@entry=1)
    at ../src/nvim/eval.c:3596
#18 0x0000559267ff363c in eval2 (arg=arg@entry=0x7ffe2e964f10, rettv=rettv@entry=0x7ffe2e964f60, evaluate=evaluate@entry=1)
    at ../src/nvim/eval.c:3527
#19 0x0000559267ff3782 in eval1 (arg=arg@entry=0x7ffe2e964f10, rettv=rettv@entry=0x7ffe2e964f60, evaluate=evaluate@entry=1)
    at ../src/nvim/eval.c:3454
#20 0x0000559267ff4f2a in eval0 (arg=0x5592689137c3 "call(l:method, l:params)", rettv=rettv@entry=0x7ffe2e964f60,
    nextcmd=nextcmd@entry=0x7ffe2e965028, evaluate=1) at ../src/nvim/eval.c:3414
#21 0x0000559267ff82e0 in ex_let_const (eap=0x7ffe2e965020, is_const=is_const@entry=false) at ../src/nvim/eval.c:1604
#22 0x0000559267ff838b in ex_let (eap=<optimized out>) at ../src/nvim/eval.c:1545
#23 0x0000559267fab9f7 in do_one_cmd (cmdlinep=cmdlinep@entry=0x7ffe2e965248, flags=flags@entry=7,
    cstack=cstack@entry=0x7ffe2e9652d0, fgetline=fgetline@entry=0x559267fa95fc <get_loop_line>, cookie=cookie@entry=0x7ffe2e965270)
    at ../src/nvim/ex_docmd.c:2248
#24 0x0000559267fb0fbf in do_cmdline (cmdline=<optimized out>, fgetline=0x559267fd19e6 <get_func_line>, cookie=0x5592689c3420,
    flags=7) at ../src/nvim/ex_docmd.c:593
#25 0x0000559267fd4868 in call_user_func (fp=0x5592686c4c40, argcount=<optimized out>, argvars=<optimized out>,
    rettv=0x7ffe2e965fc0, firstline=<optimized out>, lastline=<optimized out>, selfdict=0x0) at ../src/nvim/eval.c:22618
#26 0x0000559267fef5ba in call_func (funcname=<optimized out>, len=<optimized out>, rettv=0x7ffe2e965fc0,
    argcount_in=<optimized out>, argvars_in=<optimized out>, argv_func=0x0, firstline=13, lastline=13, doesrange=0x7ffe2e965f84,
    evaluate=true, partial=0x0, selfdict_in=0x0) at ../src/nvim/eval.c:6538
#27 0x0000559267fda784 in callback_call (callback=<optimized out>, argcount_in=3, argvars_in=0x7ffe2e965fd0, rettv=0x7ffe2e965fc0)
    at ../src/nvim/eval.c:17880
#28 0x0000559268013695 in channel_callback_call (chan=<optimized out>, reader=<optimized out>) at ../src/nvim/channel.c:674
#29 0x00005592680138aa in channel_reader_callbacks (chan=chan@entry=0x5592686fc4a0, reader=reader@entry=0x5592686fcb60)
    at ../src/nvim/channel.c:615
#30 0x00005592680138f9 in on_channel_event (args=<optimized out>) at ../src/nvim/channel.c:577
#31 0x0000559267fbf0ff in multiqueue_process_events (this=0x55926840b370) at ../src/nvim/event/multiqueue.c:150
#32 0x0000559267f220f7 in nv_event (cap=0x7ffe2e966258) at ../src/nvim/normal.c:7983
#33 0x0000559267f3394c in normal_execute (state=0x7ffe2e9661d0, key=<optimized out>) at ../src/nvim/normal.c:1130
#34 0x0000559267e9406b in state_enter (s=0x7ffe2e9661d0) at ../src/nvim/state.c:73
#35 0x0000559267f30098 in normal_enter (cmdwin=<optimized out>, noexmode=<optimized out>) at ../src/nvim/normal.c:462
#36 0x0000559267f5c6ea in main (argc=<optimized out>, argv=<optimized out>) at ../src/nvim/main.c:568