I just tested with this version and still segfaults...

MacBook-Pro-de-Fernando:Test-Fuzz fernando$ perl6 -v

This is Rakudo version 2016.12-49-gb8df3a6 built on MoarVM version
2016.12-18-ga645d7e

implementing Perl 6.c.




Just another Perl Hacker,
Fernando (SmokeMachine)

2016-12-19 23:36 GMT-02:00 perl6 via RT <[email protected]>:

> Greetings,
>
> This message has been automatically generated in response to the
> creation of a trouble ticket regarding:
>         "[BUG] SegFault",
> a summary of which appears below.
>
> There is no need to reply to this message right now.  Your ticket has been
> assigned an ID of [perl #130379].
>
> Please include the string:
>
>          [perl #130379]
>
> in the subject line of all future correspondence about this issue. To do
> so,
> you may reply to this message.
>
>                         Thank you,
>                         [email protected]
>
> -------------------------------------------------------------------------
> HI there!
>
> I was trying to reduce the code, but I couldn’t…
> Some times I get a segfault running this code:
>
> perl6 -Ilib -MTest::Fuzz -e 'sub bla(Int $a) is fuzzed {42}; run-tests’
>
> on branch “role” of https://github.com/FCO/Test-Fuzz/tree/role <
> https://github.com/FCO/Test-Fuzz/tree/role>
>
> I'm sorry the big code…
>
> The perl6 version:
>
> MacBook-Pro-de-Fernando:Test-Fuzz fernando$ docker run -ti -v$PWD:/code
> --security-opt seccomp=unconfined perl6-debug perl6 --version
> This is Rakudo version 2016.12-10-g7a642f8 built on MoarVM version 2016.12
> implementing Perl 6.c.
>
>
> that’s what I get when I try to gdb it.
>
>
> MacBook-Pro-de-Fernando:Test-Fuzz fernando$ docker run -ti -v$PWD:/code
> --security-opt seccomp=unconfined perl6-debug perl6-gdb-m --optimize=0
> -I/code/lib -MTest::Fuzz -e 'sub bla(Int $a) is fuzzed {42}; run-tests'
> ============================================================
> ====================================
> This is Rakudo Perl 6 running in the GNU debugger, which often allows the
> user to generate useful back-
> traces to debug or report issues in Rakudo, the MoarVM backend or the
> currently running code.
>
> This Rakudo version is 2016.12.10.g.7.a.642.f.8 built on MoarVM version
> 2016.12,
> running on debian (8.jessie) / linux (4.8.14.moby)
>
> Type `bt full` to generate a backtrace if applicable, type `q` to quit or
> `help` for help.
> ------------------------------------------------------------
> ------------------------------------
> Reading symbols from /usr/bin/moar...done.
> Starting program: /usr/bin/moar --execname=/usr/bin/perl6-gdb-m
> --libpath=/usr/share/nqp/lib --libpath=/usr/share/perl6/lib
> --libpath=/usr/share/perl6/runtime /usr/share/perl6/runtime/perl6.moarvm
> --optimize=0 -I/code/lib -MTest::Fuzz -e sub\ bla\(Int\ \$a\)\ is\ fuzzed\
> \{42\}\;\ run-tests
> [Thread debugging using libthread_db enabled]
> Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
>
> Program received signal SIGSEGV, Segmentation fault.
> 0x00007ffff7912fb7 in gc_mark (tc=0x6027c0, st=<optimized out>,
> data=<optimized out>, worklist=0x4922360) at src/6model/reprs/
> MVMCallCapture.c:55
> 55      src/6model/reprs/MVMCallCapture.c: No such file or directory.
> (gdb) bt full
> #0  0x00007ffff7912fb7 in gc_mark (tc=0x6027c0, st=<optimized out>,
> data=<optimized out>, worklist=0x4922360) at src/6model/reprs/
> MVMCallCapture.c:55
>         ctx = 0x37afa10
>         count = 3
>         i = 0
>         flag = 0
>         flag_map = <optimized out>
>         st = <optimized out>
>         worklist = 0x4922360
>         data = <optimized out>
>         tc = 0x6027c0
>         body = <optimized out>
> #1  0x00007ffff78ebcbc in process_worklist (tc=tc@entry=0x6027c0,
> worklist=worklist@entry=0x4922360, wtp=wtp@entry=0x7fffffffe5f0,
> gen=gen@entry=0 '\000') at src/gc/collect.c:313
>         item = 0x7ffff4d68010
>         item_gen2 = <optimized out>
>         to_gen2 = 1 '\001'
>         gen2 = 0x602d00
>         item_ptr = <optimized out>
>         new_addr = 0x49828b0
>         gen2count = 1610
> #2  0x00007ffff78ec2be in MVM_gc_collect (tc=0x6027c0,
> what_to_do=<optimized out>, gen=gen@entry=0 '\000') at
> src/gc/collect.c:129
>         fromspace = <optimized out>
>         tospace = <optimized out>
>         worklist = 0x4922360
>         wtp = {num_target_threads = 0, target_work = 0x0}
> #3  0x00007ffff78e8136 in run_gc (tc=tc@entry=0x6027c0,
> what_to_do=what_to_do@entry=0 '\000') at src/gc/orchestrate.c:323
>         other = <optimized out>
>         gen = 0 '\000'
>         i = <optimized out>
>         n = <optimized out>
> #4  0x00007ffff78e8bd6 in MVM_gc_enter_from_allocator (tc=tc@entry=0x6027c0)
> at src/gc/orchestrate.c:457
>         last_starter = 0x621060
>         num_threads = <optimized out>
> #5  0x00007ffff78e8cf8 in MVM_gc_allocate_nursery (tc=0x6027c0, size=280)
> at src/gc/allocation.c:32
>         allocated = <optimized out>
> #6  0x00007ffff78e8fde in MVM_gc_allocate_frame (tc=tc@entry=0x6027c0) at
> src/gc/allocation.c:99
>         f = 0x37aedb0
> #7  0x00007ffff78cfca8 in MVM_frame_force_to_heap (tc=0x6027c0,
> frame=0x7ffff7fcc260) at src/core/frame.c:669
>         promoted = <optimized out>
>         cur_to_promote = 0x7ffff7fcc030
>         new_cur_frame = 0x7ffff6689c38
>         update_caller = 0x7ffff6689d50
>         result = 0x7ffff6689c38
>         frame = 0x7ffff7fcc260
>         tc = 0x6027c0
> #8  0x00007ffff78d158d in MVM_frame_takeclosure (tc=0x6027c0,
> code=<optimized out>) at src/core/frame.c:1090
>         closure = 0x7ffff6689e68
>         captured = <optimized out>
> #9  0x00007ffff78c5366 in MVM_interp_run (tc=tc@entry=0x6027c0,
> initial_invoke=0x37aedb0, invoke_data=0x49828c8) at src/core/interp.c:1089
>         op = 10440
>         LABELS = {0x7ffff78b5ed9 <MVM_interp_run+153>, 0x7ffff78bdfa4
> <MVM_interp_run+33124>, 0x7ffff78b60c5 <MVM_interp_run+645>, 0x7ffff78b60c5
> <MVM_interp_run+645>, 0x7ffff78c14e7 <MVM_interp_run+46759>,
>           0x7ffff78b72bf <MVM_interp_run+5247>, 0x7ffff78b72d2
> <MVM_interp_run+5266>, 0x7ffff78bdc94 <MVM_interp_run+32340>,
> 0x7ffff78bdcf5 <MVM_interp_run+32437>, 0x7ffff78bdd3c
> <MVM_interp_run+32508>,
>           0x7ffff78bdd83 <MVM_interp_run+32579>, 0x7ffff78bbb44
> <MVM_interp_run+23812>, 0x7ffff78bbb8a <MVM_interp_run+23882>,
> 0x7ffff78bbbd2 <MVM_interp_run+23954>, 0x7ffff78bbc1a
> <MVM_interp_run+24026>,
>           0x7ffff78bbc61 <MVM_interp_run+24097>, 0x7ffff78bbca7
> <MVM_interp_run+24167>, 0x7ffff78bbcee <MVM_interp_run+24238>,
> 0x7ffff78bbd34 <MVM_interp_run+24308>, 0x7ffff78bb6be
> <MVM_interp_run+22654>,
>           0x7ffff78bb705 <MVM_interp_run+22725>, 0x7ffff78bce66
> <MVM_interp_run+28710>, 0x7ffff78bcf82 <MVM_interp_run+28994>,
> 0x7ffff78bcdad <MVM_interp_run+28525>, 0x7ffff78bcdfe
> <MVM_interp_run+28606>,
>           0x7ffff78bceb3 <MVM_interp_run+28787>, 0x7ffff78bcf14
> <MVM_interp_run+28884>, 0x7ffff78c486d <MVM_interp_run+59949>,
> 0x7ffff78c48d4 <MVM_interp_run+60052>, 0x7ffff78c4953
> <MVM_interp_run+60179>,
>           0x7ffff78c5089 <MVM_interp_run+62025>, 0x7ffff78c4e9f
> <MVM_interp_run+61535>, 0x7ffff78c4f1b <MVM_interp_run+61659>,
> 0x7ffff78c4f8b <MVM_interp_run+61771>, 0x7ffff78c4ffe
> <MVM_interp_run+61886>,
>           0x7ffff78c39ad <MVM_interp_run+56173>, 0x7ffff78c3a31
> <MVM_interp_run+56305>, 0x7ffff78c3ad5 <MVM_interp_run+56469>,
> 0x7ffff78c44f6 <MVM_interp_run+59062>, 0x7ffff78c440d
> <MVM_interp_run+58829>,
>           0x7ffff78c45e1 <MVM_interp_run+59297>, 0x7ffff78c4483
> <MVM_interp_run+58947>, 0x7ffff78c456e <MVM_interp_run+59182>,
> 0x7ffff78c152a <MVM_interp_run+46826>, 0x7ffff78c159d
> <MVM_interp_run+46941>,
>           0x7ffff78b60d8 <MVM_interp_run+664>, 0x7ffff78b60d8
> <MVM_interp_run+664>, 0x7ffff78c1610 <MVM_interp_run+47056>, 0x7ffff78c17d0
> <MVM_interp_run+47504>, 0x7ffff78c166c <MVM_interp_run+47148>,
>           0x7ffff78c1829 <MVM_interp_run+47593>, 0x7ffff78c18ab
> <MVM_interp_run+47723>, 0x7ffff78c1b8d <MVM_interp_run+48461>,
> 0x7ffff78c1ad1 <MVM_interp_run+48273>, 0x7ffff78c1b2f
> <MVM_interp_run+48367>,
>           0x7ffff78c198e <MVM_interp_run+47950>, 0x7ffff78c19d5
> <MVM_interp_run+48021>, 0x7ffff78c1a29 <MVM_interp_run+48105>,
> 0x7ffff78c1a7d <MVM_interp_run+48189>, 0x7ffff78c4146
> <MVM_interp_run+58118>,
> ---Type <return> to continue, or q <return> to quit---
>           0x7ffff78c419a <MVM_interp_run+58202>, 0x7ffff78c41ee
> <MVM_interp_run+58286>, 0x7ffff78c4242 <MVM_interp_run+58370>,
> 0x7ffff78c42a3 <MVM_interp_run+58467>, 0x7ffff78c42f2
> <MVM_interp_run+58546>,
>           0x7ffff78c4341 <MVM_interp_run+58625>, 0x7ffff78c4391
> <MVM_interp_run+58705>, 0x7ffff78c3c4e <MVM_interp_run+56846>,
> 0x7ffff78c3c9f <MVM_interp_run+56927>, 0x7ffff78c3cfc
> <MVM_interp_run+57020>,
>           0x7ffff78c3d4d <MVM_interp_run+57101>, 0x7ffff78c3d97
> <MVM_interp_run+57175>, 0x7ffff78c3deb <MVM_interp_run+57259>,
> 0x7ffff78c3e2b <MVM_interp_run+57323>, 0x7ffff78c3e6b
> <MVM_interp_run+57387>,
>           0x7ffff78c3eab <MVM_interp_run+57451>, 0x7ffff78c3eeb
> <MVM_interp_run+57515>, 0x7ffff78c3f3a <MVM_interp_run+57594>,
> 0x7ffff78c3f89 <MVM_interp_run+57673>, 0x7ffff78c3fd8
> <MVM_interp_run+57752>,
>           0x7ffff78c4022 <MVM_interp_run+57826>, 0x7ffff78c4074
> <MVM_interp_run+57908>, 0x7ffff78c40c6 <MVM_interp_run+57990>,
> 0x7ffff78bd90c <MVM_interp_run+31436>, 0x7ffff78bd95a
> <MVM_interp_run+31514>,
>           0x7ffff78bd9e7 <MVM_interp_run+31655>, 0x7ffff78bda6c
> <MVM_interp_run+31788>, 0x7ffff78bdacb <MVM_interp_run+31883>,
> 0x7ffff78bdb2a <MVM_interp_run+31978>, 0x7ffff78bdb80
> <MVM_interp_run+32064>,
>           0x7ffff78bdbd6 <MVM_interp_run+32150>, 0x7ffff78c47ae
> <MVM_interp_run+59758>, 0x7ffff78c4805 <MVM_interp_run+59845>,
> 0x7ffff78c6801 <MVM_interp_run+68033>, 0x7ffff78c6853
> <MVM_interp_run+68115>,
>           0x7ffff78c66c3 <MVM_interp_run+67715>, 0x7ffff78c6715
> <MVM_interp_run+67797>, 0x7ffff78c6767 <MVM_interp_run+67879>,
> 0x7ffff78c68a5 <MVM_interp_run+68197>, 0x7ffff78c3b4b
> <MVM_interp_run+56587>,
>           0x7ffff78c641b <MVM_interp_run+67035>, 0x7ffff78c637d
> <MVM_interp_run+66877>, 0x7ffff78c63cc <MVM_interp_run+66956>,
> 0x7ffff78c623d <MVM_interp_run+66557>, 0x7ffff78c628c
> <MVM_interp_run+66636>,
>           0x7ffff78c62dd <MVM_interp_run+66717>, 0x7ffff78c632c
> <MVM_interp_run+66796>, 0x7ffff78c4b22 <MVM_interp_run+60642>,
> 0x7ffff78c6674 <MVM_interp_run+67636>, 0x7ffff78c65bf
> <MVM_interp_run+67455>,
>           0x7ffff78c6619 <MVM_interp_run+67545>, 0x7ffff78c6475
> <MVM_interp_run+67125>, 0x7ffff78c64ce <MVM_interp_run+67214>,
> 0x7ffff78c651f <MVM_interp_run+67295>, 0x7ffff78c6570
> <MVM_interp_run+67376>,
>           0x7ffff78c0c68 <MVM_interp_run+44584>, 0x7ffff78c0cc5
> <MVM_interp_run+44677>, 0x7ffff78c0d1b <MVM_interp_run+44763>,
> 0x7ffff78c5909 <MVM_interp_run+64201>, 0x7ffff78c57c9
> <MVM_interp_run+63881>,
>           0x7ffff78c5817 <MVM_interp_run+63959>, 0x7ffff78c5860
> <MVM_interp_run+64032>, 0x7ffff78c58b4 <MVM_interp_run+64116>,
> 0x7ffff78c49ce <MVM_interp_run+60302>, 0x7ffff78c5b62
> <MVM_interp_run+64802>,
>           0x7ffff78c5aa8 <MVM_interp_run+64616>, 0x7ffff78c5b05
> <MVM_interp_run+64709>, 0x7ffff78c595a <MVM_interp_run+64282>,
> 0x7ffff78c59aa <MVM_interp_run+64362>, 0x7ffff78c59fe
> <MVM_interp_run+64446>,
>           0x7ffff78c5a54 <MVM_interp_run+64532>, 0x7ffff78c3bfa
> <MVM_interp_run+56762>, 0x7ffff78c5f57 <MVM_interp_run+65815>,
> 0x7ffff78c5ea7 <MVM_interp_run+65639>, 0x7ffff78c5ef1
> <MVM_interp_run+65713>,
>           0x7ffff78c5bb7 <MVM_interp_run+64887>, 0x7ffff78c5c6a
> <MVM_interp_run+65066>, 0x7ffff78c5d29 <MVM_interp_run+65257>,
> 0x7ffff78c5de8 <MVM_interp_run+65448>, 0x7ffff78c50fe
> <MVM_interp_run+62142>,
>           0x7ffff78c51bd <MVM_interp_run+62333>, 0x7ffff78c6173
> <MVM_interp_run+66355>, 0x7ffff78c61d8 <MVM_interp_run+66456>,
> 0x7ffff78c5f9f <MVM_interp_run+65887>, 0x7ffff78c6004
> <MVM_interp_run+65988>,
>           0x7ffff78c6069 <MVM_interp_run+66089>, 0x7ffff78c60ee
> <MVM_interp_run+66222>, 0x7ffff78bfd15 <MVM_interp_run+40661>,
> 0x7ffff78c5553 <MVM_interp_run+63251>, 0x7ffff78c5453
> <MVM_interp_run+62995>,
>           0x7ffff78c54d3 <MVM_interp_run+63123>, 0x7ffff78c4a22
> <MVM_interp_run+60386>, 0x7ffff78c4aa2 <MVM_interp_run+60514>,
> 0x7ffff78c55d8 <MVM_interp_run+63384>, 0x7ffff78c567b
> <MVM_interp_run+63547>,
>           0x7ffff78c4668 <MVM_interp_run+59432>, 0x7ffff78c470b
> <MVM_interp_run+59595>, 0x7ffff78c5391 <MVM_interp_run+62801>,
> 0x7ffff78c53f4 <MVM_interp_run+62900>, 0x7ffff78c520e
> <MVM_interp_run+62414>,
>           0x7ffff78c5261 <MVM_interp_run+62497>, 0x7ffff78c52f4
> <MVM_interp_run+62644>, 0x7ffff78c533d <MVM_interp_run+62717>,
> 0x7ffff78c3ba2 <MVM_interp_run+56674>, 0x7ffff78c4e17
> <MVM_interp_run+61399>,
>           0x7ffff78c4d2e <MVM_interp_run+61166>, 0x7ffff78c4db6
> <MVM_interp_run+61302>, 0x7ffff78c4b71 <MVM_interp_run+60721>,
> 0x7ffff78c4bdb <MVM_interp_run+60827>, 0x7ffff78c4c66
> <MVM_interp_run+60966>,
>           0x7ffff78c4cd0 <MVM_interp_run+61072>, 0x7ffff78b60fe
> <MVM_interp_run+702>, 0x7ffff78b615f <MVM_interp_run+799>, 0x7ffff78b61c0
> <MVM_interp_run+896>, 0x7ffff78b621a <MVM_interp_run+986>, 0x7ffff78b6277
> <MVM_interp_run+1079>,
>           0x7ffff78b62d4 <MVM_interp_run+1172>, 0x7ffff78b6330
> <MVM_interp_run+1264>, 0x7ffff78b637c <MVM_interp_run+1340>, 0x7ffff78b63c4
> <MVM_interp_run+1412>, 0x7ffff78b642b <MVM_interp_run+1515>,
>           0x7ffff78b6f3c <MVM_interp_run+4348>, 0x7ffff78b6fa6
> <MVM_interp_run+4454>, 0x7ffff78b6e85 <MVM_interp_run+4165>, 0x7ffff78b70ec
> <MVM_interp_run+4780>, 0x7ffff78b6ffa <MVM_interp_run+4538>,
>           0x7ffff78b7068 <MVM_interp_run+4648>, 0x7ffff78b6a71
> <MVM_interp_run+3121>, 0x7ffff78b6af5 <MVM_interp_run+3253>, 0x7ffff78b6b79
> <MVM_interp_run+3385>, 0x7ffff78b6bfd <MVM_interp_run+3517>,
>           0x7ffff78b6cb8 <MVM_interp_run+3704>, 0x7ffff78b6d37
> <MVM_interp_run+3831>, 0x7ffff78b6daf <MVM_interp_run+3951>, 0x7ffff78b6ed8
> <MVM_interp_run+4248>, 0x7ffff78b647a <MVM_interp_run+1594>,
>           0x7ffff78b64d6 <MVM_interp_run+1686>, 0x7ffff78b6519
> <MVM_interp_run+1753>, 0x7ffff78b6567 <MVM_interp_run+1831>, 0x7ffff78b65c3
> <MVM_interp_run+1923>...}
>         cur_op = 0x7ffff532f360 "]"
>         bytecode_start = 0x7ffff532f358 "\237"
>         reg_base = 0x4921f60
>         cu = 0x6642f0
>         cur_callsite = 0x7ffff7dcaf00 <two_args_callsite>
> #10 0x00007ffff797c809 in MVM_vm_run_file (instance=0x602010,
> filename=0x7fffffffeeb1 "/usr/share/perl6/runtime/perl6.moarvm") at
> src/moar.c:309
>         tc = 0x6027c0
>         cu = 0x662df0
> #11 0x0000000000400f8f in main (argc=11, argv=0x7fffffffec28) at
> src/main.c:192
>         instance = 0x602010
>         input_file = 0x7fffffffeeb1 "/usr/share/perl6/runtime/
> perl6.moarvm"
>         executable_name = <optimized out>
>         lib_path = {0x7fffffffee5c "/usr/share/nqp/lib", 0x7fffffffee79
> "/usr/share/perl6/lib", 0x7fffffffee98 "/usr/share/perl6/runtime", 0x0,
> 0x7ffff7ffe1a8 "", 0x0, 0x1 <error: Cannot access memory at address 0x1>,
>           0x4010ed <__libc_csu_init+77> "H\203\303\001H9\353u\352H\
> 203\304\b[]A\\A]A^A_\303ff.\017\037\204"}
>         dump = <optimized out>
>         full_cleanup = <optimized out>
>         argi = 6
>         lib_path_i = <optimized out>
> (gdb) call MVM_print_backtrace(tc)
> No symbol "MVM_print_backtrace" in current context.
> (gdb) call MVM_dump_backtrace(tc)
>    at <unknown>:1  (/usr/share/nqp/lib/Perl6/BOOTSTRAP.moarvm:)
>  from SETTING::src/core/Mu.pm:527  (/usr/share/perl6/runtime/
> CORE.setting.moarvm:perl)
>  from SETTING::src/core/Setty.pm:75  (/usr/share/perl6/runtime/
> CORE.setting.moarvm:)
>  from SETTING::src/core/Any-iterable-methods.pm:417
> (/usr/share/perl6/runtime/CORE.setting.moarvm:push-all)
>  from SETTING::src/core/Iterator.pm:70  (/usr/share/perl6/runtime/
> CORE.setting.moarvm:push-until-lazy)
>  from SETTING::src/core/List.pm:243  (/usr/share/perl6/runtime/
> CORE.setting.moarvm:reify-until-lazy)
>  from SETTING::src/core/List.pm:1238  (/usr/share/perl6/runtime/
> CORE.setting.moarvm:join)
>  from SETTING::src/core/Any.pm:153  (/usr/share/perl6/runtime/
> CORE.setting.moarvm:join)
>  from SETTING::src/core/Setty.pm:73  (/usr/share/perl6/runtime/
> CORE.setting.moarvm:perl)
>  from /code/lib/Test/Fuzz/Generator.pm6 (Test::Fuzz::Generator):15
> (/code/lib/.precomp/3A7F8D44B1BE04579CC836E5E37C3F
> 4785F6362E.1482107421.76571/3C/3C3AF497BAC115D045D262DABA57A198F363CF82:)
>  from /code/lib/Test/Fuzz/Generator.pm6 (Test::Fuzz::Generator):15
> (/code/lib/.precomp/3A7F8D44B1BE04579CC836E5E37C3F
> 4785F6362E.1482107421.76571/3C/3C3AF497BAC115D045D262DABA57A1
> 98F363CF82:generate)
>  from /code/lib/Test/Fuzz/AggGenerators.pm6
> (Test::Fuzz::AggGenerators):21  (/code/lib/.precomp/
> 3A7F8D44B1BE04579CC836E5E37C3F4785F6362E.1482107421.76571/FC/
> FCB4BA9267A20C12B18033CB15E46FCA5734914A:)
>  from SETTING::src/core/Any-iterable-methods.pm:462
> (/usr/share/perl6/runtime/CORE.setting.moarvm:)
>  from SETTING::src/core/Any-iterable-methods.pm:448
> (/usr/share/perl6/runtime/CORE.setting.moarvm:sink-all)
>  from SETTING::src/core/Seq.pm:159  (/usr/share/perl6/runtime/
> CORE.setting.moarvm:sink)
>  from /code/lib/Test/Fuzz/AggGenerators.pm6
> (Test::Fuzz::AggGenerators):20  (/code/lib/.precomp/
> 3A7F8D44B1BE04579CC836E5E37C3F4785F6362E.1482107421.76571/FC/
> FCB4BA9267A20C12B18033CB15E46FCA5734914A:build-possibilities)
>  from SETTING::src/core/Mu.pm:693  (/usr/share/perl6/runtime/
> CORE.setting.moarvm:dispatch:<!>)
>  from /code/lib/Test/Fuzz/AggGenerators.pm6
> (Test::Fuzz::AggGenerators):31  (/code/lib/.precomp/
> 3A7F8D44B1BE04579CC836E5E37C3F4785F6362E.1482107421.76571/FC/
> FCB4BA9267A20C12B18033CB15E46FCA5734914A:generate-samples)
>  from /code/lib/Test/Fuzz/Fuzzed.pm6 (Test::Fuzz::Fuzzed):21
> (/code/lib/.precomp/3A7F8D44B1BE04579CC836E5E37C3F
> 4785F6362E.1482107421.76571/5B/5B6759756EF7703FD91573CDB96C7516BF6F033F:)
>  from perl#sources/C712FE6969F786C9380D643DF17E85D06868219E (Test):364
> (/usr/share/perl6/precomp/3A7F8D44B1BE04579CC836E5E37C3F
> 4785F6362E.1482107421.76571/C7/C712FE6969F786C9380D643DF17E85
> D06868219E:subtest)
>  from perl#sources/C712FE6969F786C9380D643DF17E85D06868219E (Test):356
> (/usr/share/perl6/precomp/3A7F8D44B1BE04579CC836E5E37C3F
> 4785F6362E.1482107421.76571/C7/C712FE6969F786C9380D643DF17E85
> D06868219E:subtest)
>  from /code/lib/Test/Fuzz/Fuzzed.pm6 (Test::Fuzz::Fuzzed):20
> (/code/lib/.precomp/3A7F8D44B1BE04579CC836E5E37C3F
> 4785F6362E.1482107421.76571/5B/5B6759756EF7703FD91573CDB96C75
> 16BF6F033F:run-tests)
>  from SETTING::src/core/Mu.pm:748  (/usr/share/perl6/runtime/
> CORE.setting.moarvm:)
>  from SETTING::src/core/Rakudo/Internals.pm:2409
> (/usr/share/perl6/runtime/CORE.setting.moarvm:pull-one)
>  from SETTING::src/core/Iterator.pm:57  (/usr/share/perl6/runtime/
> CORE.setting.moarvm:push-all)
>  from SETTING::src/core/Rakudo/Internals.pm:2445
> (/usr/share/perl6/runtime/CORE.setting.moarvm:coremap)
>  from SETTING::src/core/Rakudo/Internals.pm:2365
> (/usr/share/perl6/runtime/CORE.setting.moarvm:coremap)
>  from SETTING::src/core/metaops.pm:515  (/usr/share/perl6/runtime/
> CORE.setting.moarvm:deepmap)
>  from SETTING::src/core/metaops.pm:513  (/usr/share/perl6/runtime/
> CORE.setting.moarvm:deepmap)
>  from SETTING::src/core/metaops.pm:507  (/usr/share/perl6/runtime/
> CORE.setting.moarvm:HYPER)
>  from SETTING::src/core/metaops.pm:398  (/usr/share/perl6/runtime/
> CORE.setting.moarvm:HYPER)
>  from SETTING::src/core/Mu.pm:742  (/usr/share/perl6/runtime/
> CORE.setting.moarvm:dispatch:<hyper>)
>  from /code/lib/Test/Fuzz.pm6 (Test::Fuzz):20  (/code/lib/.precomp/
> 3A7F8D44B1BE04579CC836E5E37C3F4785F6362E.1482107421.76571/E8/
> E824BF4C92321B778DE5CED78D180342653C59FE:)
>  from SETTING::src/core/Any-iterable-methods.pm:462
> (/usr/share/perl6/runtime/CORE.setting.moarvm:)
>  from SETTING::src/core/Any-iterable-methods.pm:448
> (/usr/share/perl6/runtime/CORE.setting.moarvm:sink-all)
>  from SETTING::src/core/Seq.pm:159  (/usr/share/perl6/runtime/
> CORE.setting.moarvm:sink)
>  from /code/lib/Test/Fuzz.pm6 (Test::Fuzz):19  (/code/lib/.precomp/
> 3A7F8D44B1BE04579CC836E5E37C3F4785F6362E.1482107421.76571/E8/
> E824BF4C92321B778DE5CED78D180342653C59FE:run-tests)
>  from -e:1  (<ephemeral file>:<unit>)
>  from -e:1  (<ephemeral file>:<unit-outer>)
>  from gen/moar/stage2/NQPHLL.nqp:1577  (/usr/share/nqp/lib/NQPHLL.
> moarvm:eval)
>  from gen/moar/stage2/NQPHLL.nqp:1667  (/usr/share/nqp/lib/NQPHLL.moarvm:)
>  from gen/moar/stage2/NQPHLL.nqp:1664  (/usr/share/nqp/lib/NQPHLL.
> moarvm:command_eval)
>  from src/Perl6/Compiler.nqp:27  (/usr/share/nqp/lib/Perl6/
> Compiler.moarvm:command_eval)
>  from gen/moar/stage2/NQPHLL.nqp:1648  (/usr/share/nqp/lib/NQPHLL.
> moarvm:command_line)
>  from gen/moar/main.nqp:47  (/usr/share/perl6/runtime/perl6.moarvm:MAIN)
>  from gen/moar/main.nqp:38  (/usr/share/perl6/runtime/
> perl6.moarvm:<mainline>)
>  from <unknown>:1  (/usr/share/perl6/runtime/perl6.moarvm:<main>)
>  from <unknown>:1  (/usr/share/perl6/runtime/perl6.moarvm:<entry>)
>

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