precomp issue

(Python3)[cjfields@cjfields-imac bioperl6 (master)]$ prove6 -lrv t/SeqIO.t
t/SeqIO.t ..
ok 1 -
===SORRY!===
No such method 'update' for invocant of type 'Signature'
ok 2 - format
ok 3 - readonly
ok 4 - version
ok 5 - variant
ok 6 - format
ok 7 - version
ok 8 - readonly
ok 9 - readonly
ok 10 - variant
ok 11 - format
ok 12 - version
ok 13 - variant
ok 14 - dies with an unknown format
1..14
ok
All tests successful.
Files=1, Tests=14, 12 wallclock secs ( 0.02 usr  0.00 sys + 10.32 cusr  1.05 csys = 11.39 CPU)
Result: PASS
(Python3)[cjfields@cjfields-imac bioperl6 (master)]$ prove6 -lrv t/SeqIO.t
t/SeqIO.t ..
ok 1 -
ok 2 - format
ok 3 - readonly
ok 4 - version
ok 5 - variant
ok 6 - format
ok 7 - version
ok 8 - readonly
ok 9 - readonly
ok 10 - variant
ok 11 - format
ok 12 - version
ok 13 - variant
ok 14 - dies with an unknown format
1..14
ok
All tests successful.
Files=1, Tests=14,  2 wallclock secs ( 0.01 usr  0.00 sys +  1.69 cusr  0.14 csys =  1.84 CPU)
Result: PASS
(Python3)[cjfields@cjfields-imac bioperl6 (master)]$ git clean -fdx
Removing lib/.precomp/
(Python3)[cjfields@cjfields-imac bioperl6 (master)]$ prove6 -lrv t/SeqIO.t
t/SeqIO.t ..
ok 1 -
===SORRY!===
No such method 'update' for invocant of type 'Signature'
ok 2 - format
ok 3 - readonly
ok 4 - version
ok 5 - variant
ok 6 - format
ok 7 - version
ok 8 - readonly
ok 9 - readonly
ok 10 - variant
ok 11 - format
ok 12 - version
ok 13 - variant
ok 14 - dies with an unknown format
1..14
ok
All tests successful.
Files=1, Tests=14, 12 wallclock secs ( 0.02 usr  0.00 sys + 10.72 cusr  1.09 csys = 11.83 CPU)
Result: PASS

run using "perl6 --ll-exception"

(Python3)[cjfields@cjfields-imac bioperl6 (master)]$ prove -e "perl6 --ll-exception" -lv t/SeqIO.t
t/SeqIO.t ..
ok 1 -
No such method 'update' for invocant of type 'Signature'
   at gen/moar/m-CORE.setting:19460  (/Users/cjfields/.perl6/share/perl6/runtime/CORE.setting.moarvm:throw:215)
 from gen/moar/m-CORE.setting:34477  (/Users/cjfields/.perl6/share/perl6/runtime/CORE.setting.moarvm::15)
 from gen/moar/m-CORE.setting:34475  (/Users/cjfields/.perl6/share/perl6/runtime/CORE.setting.moarvm::47)
 from <unknown>:1  (/Users/cjfields/.perl6/share/perl6/runtime/CORE.setting.moarvm::18)
 from gen/moar/m-BOOTSTRAP.nqp:3130  (/Users/cjfields/.perl6/share/nqp/lib/Perl6/BOOTSTRAP.moarvm::12)
 from <unknown>:1  (/Users/cjfields/bioperl/bioperl6/lib/.precomp/1BDB759B81ED375437EFAB71C864DCEE3C1201E7.1449674037.71593/E9/E9347FE07FF9276D1A6C025188DD83CE68B12CA7:<dependencies+deserialize>:138)
 from gen/moar/m-CORE.setting:34303  (/Users/cjfields/.perl6/share/perl6/runtime/CORE.setting.moarvm:load-precompilation-file:55)
 from gen/moar/m-CORE.setting:34472  (/Users/cjfields/.perl6/share/perl6/runtime/CORE.setting.moarvm::79)
 from gen/moar/m-CORE.setting:34469  (/Users/cjfields/.perl6/share/perl6/runtime/CORE.setting.moarvm::58)
 from gen/moar/m-CORE.setting:34467  (/Users/cjfields/.perl6/share/perl6/runtime/CORE.setting.moarvm:load:94)
 from gen/moar/m-CORE.setting:35001  (/Users/cjfields/.perl6/share/perl6/runtime/CORE.setting.moarvm::190)
 from gen/moar/m-CORE.setting:34997  (/Users/cjfields/.perl6/share/perl6/runtime/CORE.setting.moarvm:need:272)
 from gen/moar/m-CORE.setting:34760  (/Users/cjfields/.perl6/share/perl6/runtime/CORE.setting.moarvm::100)
 from gen/moar/m-CORE.setting:34756  (/Users/cjfields/.perl6/share/perl6/runtime/CORE.setting.moarvm::247)
 from gen/moar/m-CORE.setting:34737  (/Users/cjfields/.perl6/share/perl6/runtime/CORE.setting.moarvm::52)
 from gen/moar/m-CORE.setting:30406  (/Users/cjfields/.perl6/share/perl6/runtime/CORE.setting.moarvm:protect:51)
 from gen/moar/m-CORE.setting:34734  (/Users/cjfields/.perl6/share/perl6/runtime/CORE.setting.moarvm:load_module:165)
 from src/Perl6/World.nqp:956  (/Users/cjfields/.perl6/share/nqp/lib/Perl6/World.moarvm:load_module:64)
 from src/Perl6/World.nqp:897  (/Users/cjfields/.perl6/share/nqp/lib/Perl6/World.moarvm:do_pragma_or_load_module:151)
 from src/Perl6/Grammar.nqp:1514  (/Users/cjfields/.perl6/share/nqp/lib/Perl6/Grammar.moarvm:statement_control:sym<use>:1275)
 from gen/moar/stage2/QRegex.nqp:1379  (/Users/cjfields/.perl6/share/nqp/lib/QRegex.moarvm:!protoregex:109)
 from <unknown>:1  (/Users/cjfields/.perl6/share/nqp/lib/Perl6/Grammar.moarvm:statement_control:10)
 from src/Perl6/Grammar.nqp:1210  (/Users/cjfields/.perl6/share/nqp/lib/Perl6/Grammar.moarvm:statement:365)
 from src/Perl6/Grammar.nqp:1140  (/Users/cjfields/.perl6/share/nqp/lib/Perl6/Grammar.moarvm:statementlist:241)
 from gen/moar/stage2/NQPHLL.nqp:907  (/Users/cjfields/.perl6/share/nqp/lib/NQPHLL.moarvm:LANG:146)
 from src/Perl6/Grammar.nqp:1528  (/Users/cjfields/.perl6/share/nqp/lib/Perl6/Grammar.moarvm:FOREIGN_LANG:67)
 from src/Perl6/Grammar.nqp:1124  (/Users/cjfields/.perl6/share/nqp/lib/Perl6/Grammar.moarvm:comp_unit:1029)
 from src/Perl6/Grammar.nqp:427  (/Users/cjfields/.perl6/share/nqp/lib/Perl6/Grammar.moarvm:TOP:524)
 from gen/moar/stage2/QRegex.nqp:2093  (/Users/cjfields/.perl6/share/nqp/lib/QRegex.moarvm:parse:44)
 from gen/moar/stage2/NQPHLL.nqp:1593  (/Users/cjfields/.perl6/share/nqp/lib/NQPHLL.moarvm:parse:80)
 from gen/moar/stage2/NQPHLL.nqp:1549  (/Users/cjfields/.perl6/share/nqp/lib/NQPHLL.moarvm:compile:200)
 from gen/moar/stage2/NQPHLL.nqp:1286  (/Users/cjfields/.perl6/share/nqp/lib/NQPHLL.moarvm:eval:62)
 from gen/moar/stage2/NQPHLL.nqp:1506  (/Users/cjfields/.perl6/share/nqp/lib/NQPHLL.moarvm:evalfiles:91)
 from gen/moar/stage2/NQPHLL.nqp:1400  (/Users/cjfields/.perl6/share/nqp/lib/NQPHLL.moarvm:command_eval:214)
 from src/Perl6/Compiler.nqp:65  (/Users/cjfields/.perl6/share/nqp/lib/Perl6/Compiler.moarvm:command_eval:93)
 from gen/moar/stage2/NQPHLL.nqp:1374  (/Users/cjfields/.perl6/share/nqp/lib/NQPHLL.moarvm:command_line:114)
 from gen/moar/m-main.nqp:37  (/Users/cjfields/.perl6/share/perl6/runtime/perl6.moarvm:MAIN:18)
 from gen/moar/m-main.nqp:33  (/Users/cjfields/.perl6/share/perl6/runtime/perl6.moarvm:<mainline>:189)
 from <unknown>:1  (/Users/cjfields/.perl6/share/perl6/runtime/perl6.moarvm:<main>:8)
 from <unknown>:1  (/Users/cjfields/.perl6/share/perl6/runtime/perl6.moarvm:<entry>:9)
ok 2 - format
ok 3 - readonly
ok 4 - version
ok 5 - variant
ok 6 - format
ok 7 - version
ok 8 - readonly
ok 9 - readonly
ok 10 - variant
ok 11 - format
ok 12 - version
ok 13 - variant
ok 14 - dies with an unknown format
1..14
ok
All tests successful.
Files=1, Tests=14, 13 wallclock secs ( 0.01 usr  0.00 sys + 11.45 cusr  1.14 csys = 12.60 CPU)
Result: PASS