NYI opcode somehow reached

const_iX_NYI

(While running doc/htmlify.p6.  m-BOOTSTRAP.nqp:2907 is "exit_handler" on my system, if I'm looking at the right file.)

Composing doc registry ...
Writing language document for Perl 5 to Perl 6 Translation ...
const_iX NYI
   at src/gen/m-BOOTSTRAP.nqp:2907  (/home/bri/.local/share/nqp/lib/Perl6/BOOTSTRAP.moarvm::1)
 from ./htmlify.p6:750  (<ephemeral file>::177)
 from ./htmlify.p6:742  (<ephemeral file>::120)
 from lib/Pod/To/HTML.pm:244  (/home/bri/.local/share/perl6/site/lib/Pod/To/HTML.pm.moarvm::37)
 from lib/Pod/To/HTML.pm:241  (/home/bri/.local/share/perl6/site/lib/Pod/To/HTML.pm.moarvm:node2html:0)
 from lib/Pod/To/HTML.pm:396  (/home/bri/.local/share/perl6/site/lib/Pod/To/HTML.pm.moarvm::0)
 from src/gen/m-CORE.setting:10132  (/home/bri/.local/share/perl6/runtime/CORE.setting.moarvm::566)
 from src/gen/m-CORE.setting:10054  (/home/bri/.local/share/perl6/runtime/CORE.setting.moarvm:reify:41)
 from src/gen/m-CORE.setting:9966  (/home/bri/.local/share/perl6/runtime/CORE.setting.moarvm::0)
 from src/gen/m-CORE.setting:9966  (/home/bri/.local/share/perl6/runtime/CORE.setting.moarvm::229)
 from src/gen/m-CORE.setting:9940  (/home/bri/.local/share/perl6/runtime/CORE.setting.moarvm:reify:4294967295)
 from src/gen/m-CORE.setting:9966  (/home/bri/.local/share/perl6/runtime/CORE.setting.moarvm::0)
 from src/gen/m-CORE.setting:9966  (/home/bri/.local/share/perl6/runtime/CORE.setting.moarvm::229)
 from src/gen/m-CORE.setting:9940  (/home/bri/.local/share/perl6/runtime/CORE.setting.moarvm:reify:41)
 from src/gen/m-CORE.setting:10463  (/home/bri/.local/share/perl6/runtime/CORE.setting.moarvm:gimme:0)
 from src/gen/m-CORE.setting:10437  (/home/bri/.local/share/perl6/runtime/CORE.setting.moarvm:eager:0)
 from src/gen/m-CORE.setting:9427  (/home/bri/.local/share/perl6/runtime/CORE.setting.moarvm:eager:0)
 from src/gen/m-CORE.setting:2054  (/home/bri/.local/share/perl6/runtime/CORE.setting.moarvm:join:49)
 from lib/Pod/To/HTML.pm:395  (/home/bri/.local/share/perl6/site/lib/Pod/To/HTML.pm.moarvm:node2html:0)
 from lib/Pod/To/HTML.pm:261  (/home/bri/.local/share/perl6/site/lib/Pod/To/HTML.pm.moarvm::0)
 from lib/Pod/To/HTML.pm:261  (/home/bri/.local/share/perl6/site/lib/Pod/To/HTML.pm.moarvm:node2html:4294967295)
 from lib/Pod/To/HTML.pm:396  (/home/bri/.local/share/perl6/site/lib/Pod/To/HTML.pm.moarvm::17)
 from src/gen/m-CORE.setting:10132  (/home/bri/.local/share/perl6/runtime/CORE.setting.moarvm::566)
 from src/gen/m-CORE.setting:10054  (/home/bri/.local/share/perl6/runtime/CORE.setting.moarvm:reify:41)
 from src/gen/m-CORE.setting:9966  (/home/bri/.local/share/perl6/runtime/CORE.setting.moarvm::0)
 from src/gen/m-CORE.setting:9966  (/home/bri/.local/share/perl6/runtime/CORE.setting.moarvm::229)
 from src/gen/m-CORE.setting:9940  (/home/bri/.local/share/perl6/runtime/CORE.setting.moarvm:reify:4294967295)
 from src/gen/m-CORE.setting:9966  (/home/bri/.local/share/perl6/runtime/CORE.setting.moarvm::0)
 from src/gen/m-CORE.setting:9966  (/home/bri/.local/share/perl6/runtime/CORE.setting.moarvm::229)
 from src/gen/m-CORE.setting:9940  (/home/bri/.local/share/perl6/runtime/CORE.setting.moarvm:reify:41)
 from src/gen/m-CORE.setting:10463  (/home/bri/.local/share/perl6/runtime/CORE.setting.moarvm:gimme:0)
 from src/gen/m-CORE.setting:10437  (/home/bri/.local/share/perl6/runtime/CORE.setting.moarvm:eager:0)
 from src/gen/m-CORE.setting:9427  (/home/bri/.local/share/perl6/runtime/CORE.setting.moarvm:eager:0)
 from src/gen/m-CORE.setting:2054  (/home/bri/.local/share/perl6/runtime/CORE.setting.moarvm:join:49)
 from lib/Pod/To/HTML.pm:395  (/home/bri/.local/share/perl6/site/lib/Pod/To/HTML.pm.moarvm:node2html:0)
 from lib/Pod/To/HTML.pm:96  (/home/bri/.local/share/perl6/site/lib/Pod/To/HTML.pm.moarvm:pod2html:225)
 from ./htmlify.p6:79  (<ephemeral file>:p2h:90)
 from ./htmlify.p6:139  (<ephemeral file>::133)
 from src/gen/m-CORE.setting:10132  (/home/bri/.local/share/perl6/runtime/CORE.setting.moarvm::558)
 from src/gen/m-CORE.setting:10054  (/home/bri/.local/share/perl6/runtime/CORE.setting.moarvm:reify:41)
 from src/gen/m-CORE.setting:9970  (/home/bri/.local/share/perl6/runtime/CORE.setting.moarvm::96)
 from src/gen/m-CORE.setting:9966  (/home/bri/.local/share/perl6/runtime/CORE.setting.moarvm::229)
 from src/gen/m-CORE.setting:9940  (/home/bri/.local/share/perl6/runtime/CORE.setting.moarvm:reify:41)
 from src/gen/m-CORE.setting:10468  (/home/bri/.local/share/perl6/runtime/CORE.setting.moarvm:gimme:115)
 from src/gen/m-CORE.setting:11026  (/home/bri/.local/share/perl6/runtime/CORE.setting.moarvm:sink:0)
 from ./htmlify.p6:136  (<ephemeral file>:MAIN:429)
 from src/gen/m-CORE.setting:20188  (/home/bri/.local/share/perl6/runtime/CORE.setting.moarvm:MAIN_HELPER:294)
 from ./htmlify.p6:757  (<ephemeral file>:<unit>:200)
 from ./htmlify.p6:1  (<ephemeral file>:<unit-outer>:10)
 from gen/moar/stage2/NQPHLL.nqp:1289  (/home/bri/.local/share/nqp/lib/NQPHLL.moarvm:eval:190)
 from gen/moar/stage2/NQPHLL.nqp:1487  (/home/bri/.local/share/nqp/lib/NQPHLL.moarvm:evalfiles:91)
 from gen/moar/stage2/NQPHLL.nqp:1386  (/home/bri/.local/share/nqp/lib/NQPHLL.moarvm:command_eval:214)
 from src/Perl6/Compiler.nqp:59  (/home/bri/.local/share/nqp/lib/Perl6/Compiler.moarvm:command_eval:93)
 from gen/moar/stage2/NQPHLL.nqp:1360  (/home/bri/.local/share/nqp/lib/NQPHLL.moarvm:command_line:116)
 from src/gen/m-main.nqp:39  (/home/bri/.local/share/perl6/runtime/perl6.moarvm:MAIN:18)
 from src/gen/m-main.nqp:35  (/home/bri/.local/share/perl6/runtime/perl6.moarvm:<mainline>:197)
 from <unknown>:1  (/home/bri/.local/share/perl6/runtime/perl6.moarvm:<main>:8)
 from <unknown>:1  (/home/bri/.local/share/perl6/runtime/perl6.moarvm:<entry>:9)