# New Ticket Created by  Moritz Lenz 
# Please include the string:  [perl #119763]
# in the subject line of all future correspondence about this issue. 
# <URL: https://rt.perl.org:443/rt3/Ticket/Display.html?id=119763 >


moritz r: my $s :a
camelia rakudo 69c3cc: OUTPUT«===SORRY!===␤invoke() not implemented in
class 'QAST::Op'␤»

$ ./perl6 --ll-exception -e 'my $s :a'
invoke() not implemented in class 'QAST::Op'
current instr.: '' pc 18914 (src/gen/perl6-actions.pir:7487)
(src/Perl6/Actions.nqp:2112)
called from Sub '' pc 18869 (src/gen/perl6-actions.pir:7465)
(src/Perl6/Actions.nqp:2103)
called from Sub '' pc 18567 (src/gen/perl6-actions.pir:7342)
(src/Perl6/Actions.nqp:2094)
called from Sub 'declare_variable' pc 15378
(src/gen/perl6-actions.pir:6101) (src/Perl6/Actions.nqp:1985)
called from Sub '' pc 93493 (src/gen/perl6-actions.pir:37022)
(src/Perl6/Actions.nqp:1976)
called from Sub 'variable_declarator' pc 92797
(src/gen/perl6-actions.pir:36745) (src/Perl6/Actions.nqp:1964)
called from Sub '!reduce' pc 11559 (src/stage2/QRegex.pir:4748)
(src/stage2/QRegex.nqp:667)
called from Sub '!cursor_pass' pc 11043 (src/stage2/QRegex.pir:4531)
(src/stage2/QRegex.nqp:631)
called from Sub 'variable_declarator' pc 165463
(src/gen/perl6-grammar.pir:57856) (src/Perl6/Grammar.nqp:2129)
called from Sub 'declarator' pc 157894 (src/gen/perl6-grammar.pir:55523)
(src/Perl6/Grammar.nqp:2050)
called from Sub 'scoped' pc 163258 (src/gen/perl6-grammar.pir:57246)
(src/Perl6/Grammar.nqp:2102)
called from Sub 'scope_declarator:sym<my>' pc 160855
(src/gen/perl6-grammar.pir:56433) (src/Perl6/Grammar.nqp:2087)
called from Sub '!protoregex' pc 11922 (src/stage2/QRegex.pir:4900)
(src/stage2/QRegex.nqp:699)
called from Sub 'scope_declarator' pc 160682
(src/gen/perl6-grammar.pir:56370) (src/Perl6/Grammar.nqp:2086)
called from Sub 'term:sym<scope_declarator>' pc 103469
(src/gen/perl6-grammar.pir:36529) (src/Perl6/Grammar.nqp:1415)
called from Sub '!protoregex' pc 11922 (src/stage2/QRegex.pir:4900)
(src/stage2/QRegex.nqp:699)
called from Sub 'term' pc 200696 (src/gen/perl6-grammar.pir:68943)
(src/Perl6/Grammar.nqp:2612)
called from Sub 'termish' pc 242151 (src/gen/perl6-grammar.pir:83319)
(src/Perl6/Grammar.nqp:3040)
called from Sub 'EXPR' pc 17224 (src/stage2/gen/NQPHLL.pir:6315)
(src/stage2/gen/NQPHLL.nqp:430)
called from Sub 'EXPR' pc 243847 (src/gen/perl6-grammar.pir:83938)
(src/Perl6/Grammar.nqp:3075)
called from Sub 'statement' pc 69478 (src/gen/perl6-grammar.pir:25283)
(src/Perl6/Grammar.nqp:1005)
called from Sub 'statementlist' pc 66962
(src/gen/perl6-grammar.pir:24466) (src/Perl6/Grammar.nqp:972)
called from Sub 'comp_unit' pc 59754 (src/gen/perl6-grammar.pir:21515)
(src/Perl6/Grammar.nqp:763)
called from Sub 'TOP' pc 22820 (src/gen/perl6-grammar.pir:8678)
(src/Perl6/Grammar.nqp:340)
called from Sub 'parse' pc 19856 (src/stage2/QRegex.pir:7997)
(src/stage2/QRegex.nqp:1192)
called from Sub 'parse' pc 33575 (src/stage2/gen/NQPHLL.pir:13245)
(src/stage2/gen/NQPHLL.nqp:1409)
called from Sub '' pc 32960 (src/stage2/gen/NQPHLL.pir:13014)
(src/stage2/gen/NQPHLL.nqp:1364)
called from Sub 'compile' pc 32738 (src/stage2/gen/NQPHLL.pir:12925)
(src/stage2/gen/NQPHLL.nqp:1356)
called from Sub 'eval' pc 28285 (src/stage2/gen/NQPHLL.pir:11065)
(src/stage2/gen/NQPHLL.nqp:1113)
called from Sub '' pc 30528 (src/stage2/gen/NQPHLL.pir:12049)
(src/stage2/gen/NQPHLL.nqp:1220)
called from Sub 'command_eval' pc 30411
(src/stage2/gen/NQPHLL.pir:11999) (src/stage2/gen/NQPHLL.nqp:1252)
called from Sub 'command_eval' pc 369 (src/gen/perl6-compiler.pir:194)
(src/Perl6/Compiler.nqp:17)
called from Sub 'command_line' pc 29434
(src/stage2/gen/NQPHLL.pir:11594) (src/stage2/gen/NQPHLL.nqp:1202)
called from Sub 'MAIN' pc 367 (src/gen/perl6.pir:136) (src/gen/main.nqp:44)
called from Sub '' pc 321 (src/gen/perl6.pir:115) (src/gen/main.nqp:32)
called from Sub '' pc 1064 (src/gen/perl6.pir:382) (src/gen/main.nqp:57)

https://github.com/ugexe/Perl6-Text--Levenshtein--Damerau triggers this
bug by trying to declare

my Int @scores :shape($source_length + 1, $target_length + 1)

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