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error message with if; and unless; without conditions #4392

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p6rt opened this issue Jul 11, 2015 · 9 comments
Closed

error message with if; and unless; without conditions #4392

p6rt opened this issue Jul 11, 2015 · 9 comments
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LTA Less Than Awesome; typically an error message that could be better testneeded

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@p6rt
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p6rt commented Jul 11, 2015

Migrated from rt.perl.org#125596 (status was 'resolved')

Searchable as RT125596$
@p6rt
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p6rt commented Jul 11, 2015

From @AlexDaniel

Code​:
say 1 if;

Result​:
===SORRY!===
Whitespace required after keyword 'if'
at ./test.pl​:2
------> say 1 if⏏;
Whitespace required after keyword 'if'
at ./test.pl​:2
------> say 1 if⏏;
Whitespace required after keyword 'if'
at ./test.pl​:2
------> say 1 if⏏;
Whitespace required after keyword 'if'
at ./test.pl​:2
------> say 1 if⏏;
Missing semicolon
at ./test.pl​:2
------> say 1 if⏏;

OR

Code​:
say 1 unless;

Result​:
===SORRY!===
Whitespace required after keyword 'unless'
at ./test.pl​:2
------> say 1 unless⏏;
Whitespace required after keyword 'unless'
at ./test.pl​:2
------> say 1 unless⏏;
Whitespace required after keyword 'unless'
at ./test.pl​:2
------> say 1 unless⏏;
Whitespace required after keyword 'unless'
at ./test.pl​:2
------> say 1 unless⏏;
Confused
at ./test.pl​:2
------> say 1 unless⏏;

Definitely there is no need to repeat that 4 four times. But it could also
print something useful.

Notice the difference – in one case it says "confused" but in another one
it wants a semicolon (which is obviously right there).

@p6rt
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p6rt commented Oct 7, 2017

From @AlexDaniel

Oof. I'm wondering why is it a .sorry and not .panic. Panic will blow up immediately with a good error message, but I think there's some reason for it to be a sorry. I can't figure out what it is exactly. Maybe something about subs called “if”? I tried various ways to trigger it erroneously but couldn't come up with anything useful.

In any case, you may be wondering why it prints it 4 times. Here are backtraces of all four sorry-s​:

############ 1
debug
   at SETTING​::src/core/Exception.pm​:57  (./CORE.setting.moarvm​:throw)
 from src/Perl6/World.nqp​:4660  (blib/Perl6/World.moarvm​:throw)
 from src/Perl6/Grammar.nqp​:272  (blib/Perl6/Grammar.moarvm​:typed_panic)
 from src/Perl6/Grammar.nqp​:262  (blib/Perl6/Grammar.moarvm​:panic)
 from src/Perl6/Grammar.nqp​:607  (blib/Perl6/Grammar.moarvm​:kok)
 from <unknown>​:1  (blib/Perl6/Grammar.moarvm​:terminator​:sym<while>)
 from gen/moar/stage2/QRegex.nqp​:1721  (/home/alex/git/rakudo/install/share/nqp/lib/QRegex.moarvm​:!protoregex)
 from <unknown>​:1  (blib/Perl6/Grammar.moarvm​:terminator)
 from <unknown>​:1  (blib/Perl6/Grammar.moarvm​:stdstopper)
 from src/Perl6/Grammar.nqp​:3996  (blib/Perl6/Grammar.moarvm​:infixish)
 from gen/moar/stage2/NQPHLL.nqp​:939  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:EXPR)
 from src/Perl6/Grammar.nqp​:3981  (blib/Perl6/Grammar.moarvm​:EXPR)
 from <unknown>​:1  (blib/Perl6/Grammar.moarvm​:arglist)
 from src/Perl6/Grammar.nqp​:3478  (blib/Perl6/Grammar.moarvm​:args)
 from src/Perl6/Grammar.nqp​:3425  (blib/Perl6/Grammar.moarvm​:term​:sym<name>)
 from gen/moar/stage2/QRegex.nqp​:1721  (/home/alex/git/rakudo/install/share/nqp/lib/QRegex.moarvm​:!protoregex)
 from <unknown>​:1  (blib/Perl6/Grammar.moarvm​:term)
 from src/Perl6/Grammar.nqp​:3941  (blib/Perl6/Grammar.moarvm​:termish)
 from gen/moar/stage2/NQPHLL.nqp​:875  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:EXPR)
 from src/Perl6/Grammar.nqp​:3981  (blib/Perl6/Grammar.moarvm​:EXPR)
 from src/Perl6/Grammar.nqp​:1306  (blib/Perl6/Grammar.moarvm​:statement)
 from src/Perl6/Grammar.nqp​:1238  (blib/Perl6/Grammar.moarvm​:statementlist)
 from gen/moar/stage2/NQPHLL.nqp​:1105  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:LANG)
 from src/Perl6/Grammar.nqp​:1677  (blib/Perl6/Grammar.moarvm​:FOREIGN_LANG)
 from src/Perl6/Grammar.nqp​:1202  (blib/Perl6/Grammar.moarvm​:comp_unit)
 from src/Perl6/Grammar.nqp​:508  (blib/Perl6/Grammar.moarvm​:TOP)
 from gen/moar/stage2/QRegex.nqp​:2330  (/home/alex/git/rakudo/install/share/nqp/lib/QRegex.moarvm​:parse)
 from gen/moar/stage2/NQPHLL.nqp​:1864  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:parse)
 from gen/moar/stage2/NQPHLL.nqp​:1780  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:execute_stage)
 from gen/moar/stage2/NQPHLL.nqp​:1813  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:run)
 from gen/moar/stage2/NQPHLL.nqp​:1816  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:)
 from gen/moar/stage2/NQPHLL.nqp​:1802  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:compile)
 from gen/moar/stage2/NQPHLL.nqp​:1511  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:eval)
 from gen/moar/stage2/NQPHLL.nqp​:1636  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:)
 from gen/moar/stage2/NQPHLL.nqp​:1682  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:command_eval)
 from src/Perl6/Compiler.nqp​:42  (blib/Perl6/Compiler.moarvm​:command_eval)
 from gen/moar/stage2/NQPHLL.nqp​:1617  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:command_line)
 from gen/moar/main.nqp​:47  (/home/alex/git/rakudo/perl6.moarvm​:MAIN)
 from gen/moar/main.nqp​:38  (/home/alex/git/rakudo/perl6.moarvm​:<mainline>)
 from <unknown>​:1  (/home/alex/git/rakudo/perl6.moarvm​:<main>)
 from <unknown>​:1  (/home/alex/git/rakudo/perl6.moarvm​:<entry>)

############ 2
debug
   at SETTING​::src/core/Exception.pm​:57  (./CORE.setting.moarvm​:throw)
 from src/Perl6/World.nqp​:4660  (blib/Perl6/World.moarvm​:throw)
 from src/Perl6/Grammar.nqp​:272  (blib/Perl6/Grammar.moarvm​:typed_panic)
 from src/Perl6/Grammar.nqp​:262  (blib/Perl6/Grammar.moarvm​:panic)
 from src/Perl6/Grammar.nqp​:607  (blib/Perl6/Grammar.moarvm​:kok)
 from <unknown>​:1  (blib/Perl6/Grammar.moarvm​:terminator​:sym<while>)
 from gen/moar/stage2/QRegex.nqp​:1721  (/home/alex/git/rakudo/install/share/nqp/lib/QRegex.moarvm​:!protoregex)
 from <unknown>​:1  (blib/Perl6/Grammar.moarvm​:terminator)
 from <unknown>​:1  (blib/Perl6/Grammar.moarvm​:stdstopper)
 from src/Perl6/Grammar.nqp​:4042  (blib/Perl6/Grammar.moarvm​:postfixish)
 from src/Perl6/Grammar.nqp​:3955  (blib/Perl6/Grammar.moarvm​:termish)
 from gen/moar/stage2/NQPHLL.nqp​:875  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:EXPR)
 from src/Perl6/Grammar.nqp​:3981  (blib/Perl6/Grammar.moarvm​:EXPR)
 from src/Perl6/Grammar.nqp​:1306  (blib/Perl6/Grammar.moarvm​:statement)
 from src/Perl6/Grammar.nqp​:1238  (blib/Perl6/Grammar.moarvm​:statementlist)
 from gen/moar/stage2/NQPHLL.nqp​:1105  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:LANG)
 from src/Perl6/Grammar.nqp​:1677  (blib/Perl6/Grammar.moarvm​:FOREIGN_LANG)
 from src/Perl6/Grammar.nqp​:1202  (blib/Perl6/Grammar.moarvm​:comp_unit)
 from src/Perl6/Grammar.nqp​:508  (blib/Perl6/Grammar.moarvm​:TOP)
 from gen/moar/stage2/QRegex.nqp​:2330  (/home/alex/git/rakudo/install/share/nqp/lib/QRegex.moarvm​:parse)
 from gen/moar/stage2/NQPHLL.nqp​:1864  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:parse)
 from gen/moar/stage2/NQPHLL.nqp​:1780  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:execute_stage)
 from gen/moar/stage2/NQPHLL.nqp​:1813  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:run)
 from gen/moar/stage2/NQPHLL.nqp​:1816  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:)
 from gen/moar/stage2/NQPHLL.nqp​:1802  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:compile)
 from gen/moar/stage2/NQPHLL.nqp​:1511  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:eval)
 from gen/moar/stage2/NQPHLL.nqp​:1636  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:)
 from gen/moar/stage2/NQPHLL.nqp​:1682  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:command_eval)
 from src/Perl6/Compiler.nqp​:42  (blib/Perl6/Compiler.moarvm​:command_eval)
 from gen/moar/stage2/NQPHLL.nqp​:1617  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:command_line)
 from gen/moar/main.nqp​:47  (/home/alex/git/rakudo/perl6.moarvm​:MAIN)
 from gen/moar/main.nqp​:38  (/home/alex/git/rakudo/perl6.moarvm​:<mainline>)
 from <unknown>​:1  (/home/alex/git/rakudo/perl6.moarvm​:<main>)
 from <unknown>​:1  (/home/alex/git/rakudo/perl6.moarvm​:<entry>)

############ 3
debug
   at SETTING​::src/core/Exception.pm​:57  (./CORE.setting.moarvm​:throw)
 from src/Perl6/World.nqp​:4660  (blib/Perl6/World.moarvm​:throw)
 from src/Perl6/Grammar.nqp​:272  (blib/Perl6/Grammar.moarvm​:typed_panic)
 from src/Perl6/Grammar.nqp​:262  (blib/Perl6/Grammar.moarvm​:panic)
 from src/Perl6/Grammar.nqp​:607  (blib/Perl6/Grammar.moarvm​:kok)
 from <unknown>​:1  (blib/Perl6/Grammar.moarvm​:terminator​:sym<while>)
 from gen/moar/stage2/QRegex.nqp​:1721  (/home/alex/git/rakudo/install/share/nqp/lib/QRegex.moarvm​:!protoregex)
 from <unknown>​:1  (blib/Perl6/Grammar.moarvm​:terminator)
 from <unknown>​:1  (blib/Perl6/Grammar.moarvm​:stdstopper)
 from src/Perl6/Grammar.nqp​:3996  (blib/Perl6/Grammar.moarvm​:infixish)
 from gen/moar/stage2/NQPHLL.nqp​:939  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:EXPR)
 from src/Perl6/Grammar.nqp​:3981  (blib/Perl6/Grammar.moarvm​:EXPR)
 from src/Perl6/Grammar.nqp​:1306  (blib/Perl6/Grammar.moarvm​:statement)
 from src/Perl6/Grammar.nqp​:1238  (blib/Perl6/Grammar.moarvm​:statementlist)
 from gen/moar/stage2/NQPHLL.nqp​:1105  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:LANG)
 from src/Perl6/Grammar.nqp​:1677  (blib/Perl6/Grammar.moarvm​:FOREIGN_LANG)
 from src/Perl6/Grammar.nqp​:1202  (blib/Perl6/Grammar.moarvm​:comp_unit)
 from src/Perl6/Grammar.nqp​:508  (blib/Perl6/Grammar.moarvm​:TOP)
 from gen/moar/stage2/QRegex.nqp​:2330  (/home/alex/git/rakudo/install/share/nqp/lib/QRegex.moarvm​:parse)
 from gen/moar/stage2/NQPHLL.nqp​:1864  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:parse)
 from gen/moar/stage2/NQPHLL.nqp​:1780  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:execute_stage)
 from gen/moar/stage2/NQPHLL.nqp​:1813  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:run)
 from gen/moar/stage2/NQPHLL.nqp​:1816  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:)
 from gen/moar/stage2/NQPHLL.nqp​:1802  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:compile)
 from gen/moar/stage2/NQPHLL.nqp​:1511  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:eval)
 from gen/moar/stage2/NQPHLL.nqp​:1636  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:)
 from gen/moar/stage2/NQPHLL.nqp​:1682  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:command_eval)
 from src/Perl6/Compiler.nqp​:42  (blib/Perl6/Compiler.moarvm​:command_eval)
 from gen/moar/stage2/NQPHLL.nqp​:1617  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:command_line)
 from gen/moar/main.nqp​:47  (/home/alex/git/rakudo/perl6.moarvm​:MAIN)
 from gen/moar/main.nqp​:38  (/home/alex/git/rakudo/perl6.moarvm​:<mainline>)
 from <unknown>​:1  (/home/alex/git/rakudo/perl6.moarvm​:<main>)
 from <unknown>​:1  (/home/alex/git/rakudo/perl6.moarvm​:<entry>)

############ 4
debug
   at SETTING​::src/core/Exception.pm​:57  (./CORE.setting.moarvm​:throw)
 from src/Perl6/World.nqp​:4660  (blib/Perl6/World.moarvm​:throw)
 from src/Perl6/Grammar.nqp​:272  (blib/Perl6/Grammar.moarvm​:typed_panic)
 from src/Perl6/Grammar.nqp​:262  (blib/Perl6/Grammar.moarvm​:panic)
 from src/Perl6/Grammar.nqp​:607  (blib/Perl6/Grammar.moarvm​:kok)
 from <unknown>​:1  (blib/Perl6/Grammar.moarvm​:statement_mod_loop​:sym<while>)
 from gen/moar/stage2/QRegex.nqp​:1721  (/home/alex/git/rakudo/install/share/nqp/lib/QRegex.moarvm​:!protoregex)
 from <unknown>​:1  (blib/Perl6/Grammar.moarvm​:statement_mod_loop)
 from src/Perl6/Grammar.nqp​:1308  (blib/Perl6/Grammar.moarvm​:statement)
 from src/Perl6/Grammar.nqp​:1238  (blib/Perl6/Grammar.moarvm​:statementlist)
 from gen/moar/stage2/NQPHLL.nqp​:1105  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:LANG)
 from src/Perl6/Grammar.nqp​:1677  (blib/Perl6/Grammar.moarvm​:FOREIGN_LANG)
 from src/Perl6/Grammar.nqp​:1202  (blib/Perl6/Grammar.moarvm​:comp_unit)
 from src/Perl6/Grammar.nqp​:508  (blib/Perl6/Grammar.moarvm​:TOP)
 from gen/moar/stage2/QRegex.nqp​:2330  (/home/alex/git/rakudo/install/share/nqp/lib/QRegex.moarvm​:parse)
 from gen/moar/stage2/NQPHLL.nqp​:1864  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:parse)
 from gen/moar/stage2/NQPHLL.nqp​:1780  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:execute_stage)
 from gen/moar/stage2/NQPHLL.nqp​:1813  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:run)
 from gen/moar/stage2/NQPHLL.nqp​:1816  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:)
 from gen/moar/stage2/NQPHLL.nqp​:1802  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:compile)
 from gen/moar/stage2/NQPHLL.nqp​:1511  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:eval)
 from gen/moar/stage2/NQPHLL.nqp​:1636  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:)
 from gen/moar/stage2/NQPHLL.nqp​:1682  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:command_eval)
 from src/Perl6/Compiler.nqp​:42  (blib/Perl6/Compiler.moarvm​:command_eval)
 from gen/moar/stage2/NQPHLL.nqp​:1617  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:command_line)
 from gen/moar/main.nqp​:47  (/home/alex/git/rakudo/perl6.moarvm​:MAIN)
 from gen/moar/main.nqp​:38  (/home/alex/git/rakudo/perl6.moarvm​:<mainline>)
 from <unknown>​:1  (/home/alex/git/rakudo/perl6.moarvm​:<main>)
 from <unknown>​:1  (/home/alex/git/rakudo/perl6.moarvm​:<entry>)

On 2015-07-10 17​:55​:51, alex.jakimenko@​gmail.com wrote​:

Code​:
say 1 if;

Result​:
===SORRY!===
Whitespace required after keyword 'if'
at ./test.pl​:2
------> say 1 if⏏;
Whitespace required after keyword 'if'
at ./test.pl​:2
------> say 1 if⏏;
Whitespace required after keyword 'if'
at ./test.pl​:2
------> say 1 if⏏;
Whitespace required after keyword 'if'
at ./test.pl​:2
------> say 1 if⏏;
Missing semicolon
at ./test.pl​:2
------> say 1 if⏏;

OR

Code​:
say 1 unless;

Result​:
===SORRY!===
Whitespace required after keyword 'unless'
at ./test.pl​:2
------> say 1 unless⏏;
Whitespace required after keyword 'unless'
at ./test.pl​:2
------> say 1 unless⏏;
Whitespace required after keyword 'unless'
at ./test.pl​:2
------> say 1 unless⏏;
Whitespace required after keyword 'unless'
at ./test.pl​:2
------> say 1 unless⏏;
Confused
at ./test.pl​:2
------> say 1 unless⏏;

Definitely there is no need to repeat that 4 four times. But it could also
print something useful.

Notice the difference – in one case it says "confused" but in another one
it wants a semicolon (which is obviously right there).

@p6rt
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Author

p6rt commented Oct 7, 2017

From @AlexDaniel

OK, RT refuses to display it, so let's try again.

Previous message​:

Oof. I'm wondering why is it a .sorry and not .panic. Panic will blow up immediately with a good error message, but I think there's some reason for it to be a sorry. I can't figure out what it is exactly. Maybe something about subs called “if”? I tried various ways to trigger it erroneously but couldn't come up with anything useful.
In any case, you may be wondering why it prints it 4 times. Here are backtraces of all four sorry-s​:

@p6rt
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Author

p6rt commented Oct 7, 2017

From @AlexDaniel

############ 1
debug
   at SETTING​::src/core/Exception.pm​:57  (./CORE.setting.moarvm​:throw)
 from src/Perl6/World.nqp​:4660  (blib/Perl6/World.moarvm​:throw)
 from src/Perl6/Grammar.nqp​:272  (blib/Perl6/Grammar.moarvm​:typed_panic)
 from src/Perl6/Grammar.nqp​:262  (blib/Perl6/Grammar.moarvm​:panic)
 from src/Perl6/Grammar.nqp​:607  (blib/Perl6/Grammar.moarvm​:kok)
 from <unknown>​:1  (blib/Perl6/Grammar.moarvm​:terminator​:sym<while>)
 from gen/moar/stage2/QRegex.nqp​:1721  (/home/alex/git/rakudo/install/share/nqp/lib/QRegex.moarvm​:!protoregex)
 from <unknown>​:1  (blib/Perl6/Grammar.moarvm​:terminator)
 from <unknown>​:1  (blib/Perl6/Grammar.moarvm​:stdstopper)
 from src/Perl6/Grammar.nqp​:3996  (blib/Perl6/Grammar.moarvm​:infixish)
 from gen/moar/stage2/NQPHLL.nqp​:939  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:EXPR)
 from src/Perl6/Grammar.nqp​:3981  (blib/Perl6/Grammar.moarvm​:EXPR)
 from <unknown>​:1  (blib/Perl6/Grammar.moarvm​:arglist)
 from src/Perl6/Grammar.nqp​:3478  (blib/Perl6/Grammar.moarvm​:args)
 from src/Perl6/Grammar.nqp​:3425  (blib/Perl6/Grammar.moarvm​:term​:sym<name>)
 from gen/moar/stage2/QRegex.nqp​:1721  (/home/alex/git/rakudo/install/share/nqp/lib/QRegex.moarvm​:!protoregex)
 from <unknown>​:1  (blib/Perl6/Grammar.moarvm​:term)
 from src/Perl6/Grammar.nqp​:3941  (blib/Perl6/Grammar.moarvm​:termish)
 from gen/moar/stage2/NQPHLL.nqp​:875  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:EXPR)
 from src/Perl6/Grammar.nqp​:3981  (blib/Perl6/Grammar.moarvm​:EXPR)
 from src/Perl6/Grammar.nqp​:1306  (blib/Perl6/Grammar.moarvm​:statement)
 from src/Perl6/Grammar.nqp​:1238  (blib/Perl6/Grammar.moarvm​:statementlist)
 from gen/moar/stage2/NQPHLL.nqp​:1105  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:LANG)
 from src/Perl6/Grammar.nqp​:1677  (blib/Perl6/Grammar.moarvm​:FOREIGN_LANG)
 from src/Perl6/Grammar.nqp​:1202  (blib/Perl6/Grammar.moarvm​:comp_unit)
 from src/Perl6/Grammar.nqp​:508  (blib/Perl6/Grammar.moarvm​:TOP)
 from gen/moar/stage2/QRegex.nqp​:2330  (/home/alex/git/rakudo/install/share/nqp/lib/QRegex.moarvm​:parse)
 from gen/moar/stage2/NQPHLL.nqp​:1864  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:parse)
 from gen/moar/stage2/NQPHLL.nqp​:1780  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:execute_stage)
 from gen/moar/stage2/NQPHLL.nqp​:1813  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:run)
 from gen/moar/stage2/NQPHLL.nqp​:1816  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:)
 from gen/moar/stage2/NQPHLL.nqp​:1802  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:compile)
 from gen/moar/stage2/NQPHLL.nqp​:1511  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:eval)
 from gen/moar/stage2/NQPHLL.nqp​:1636  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:)
 from gen/moar/stage2/NQPHLL.nqp​:1682  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:command_eval)
 from src/Perl6/Compiler.nqp​:42  (blib/Perl6/Compiler.moarvm​:command_eval)
 from gen/moar/stage2/NQPHLL.nqp​:1617  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:command_line)
 from gen/moar/main.nqp​:47  (/home/alex/git/rakudo/perl6.moarvm​:MAIN)
 from gen/moar/main.nqp​:38  (/home/alex/git/rakudo/perl6.moarvm​:<mainline>)
 from <unknown>​:1  (/home/alex/git/rakudo/perl6.moarvm​:<main>)
 from <unknown>​:1  (/home/alex/git/rakudo/perl6.moarvm​:<entry>)

############ 2
debug
   at SETTING​::src/core/Exception.pm​:57  (./CORE.setting.moarvm​:throw)
 from src/Perl6/World.nqp​:4660  (blib/Perl6/World.moarvm​:throw)
 from src/Perl6/Grammar.nqp​:272  (blib/Perl6/Grammar.moarvm​:typed_panic)
 from src/Perl6/Grammar.nqp​:262  (blib/Perl6/Grammar.moarvm​:panic)
 from src/Perl6/Grammar.nqp​:607  (blib/Perl6/Grammar.moarvm​:kok)
 from <unknown>​:1  (blib/Perl6/Grammar.moarvm​:terminator​:sym<while>)
 from gen/moar/stage2/QRegex.nqp​:1721  (/home/alex/git/rakudo/install/share/nqp/lib/QRegex.moarvm​:!protoregex)
 from <unknown>​:1  (blib/Perl6/Grammar.moarvm​:terminator)
 from <unknown>​:1  (blib/Perl6/Grammar.moarvm​:stdstopper)
 from src/Perl6/Grammar.nqp​:4042  (blib/Perl6/Grammar.moarvm​:postfixish)
 from src/Perl6/Grammar.nqp​:3955  (blib/Perl6/Grammar.moarvm​:termish)
 from gen/moar/stage2/NQPHLL.nqp​:875  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:EXPR)
 from src/Perl6/Grammar.nqp​:3981  (blib/Perl6/Grammar.moarvm​:EXPR)
 from src/Perl6/Grammar.nqp​:1306  (blib/Perl6/Grammar.moarvm​:statement)
 from src/Perl6/Grammar.nqp​:1238  (blib/Perl6/Grammar.moarvm​:statementlist)
 from gen/moar/stage2/NQPHLL.nqp​:1105  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:LANG)
 from src/Perl6/Grammar.nqp​:1677  (blib/Perl6/Grammar.moarvm​:FOREIGN_LANG)
 from src/Perl6/Grammar.nqp​:1202  (blib/Perl6/Grammar.moarvm​:comp_unit)
 from src/Perl6/Grammar.nqp​:508  (blib/Perl6/Grammar.moarvm​:TOP)
 from gen/moar/stage2/QRegex.nqp​:2330  (/home/alex/git/rakudo/install/share/nqp/lib/QRegex.moarvm​:parse)
 from gen/moar/stage2/NQPHLL.nqp​:1864  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:parse)
 from gen/moar/stage2/NQPHLL.nqp​:1780  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:execute_stage)
 from gen/moar/stage2/NQPHLL.nqp​:1813  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:run)
 from gen/moar/stage2/NQPHLL.nqp​:1816  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:)
 from gen/moar/stage2/NQPHLL.nqp​:1802  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:compile)
 from gen/moar/stage2/NQPHLL.nqp​:1511  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:eval)
 from gen/moar/stage2/NQPHLL.nqp​:1636  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:)
 from gen/moar/stage2/NQPHLL.nqp​:1682  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:command_eval)
 from src/Perl6/Compiler.nqp​:42  (blib/Perl6/Compiler.moarvm​:command_eval)
 from gen/moar/stage2/NQPHLL.nqp​:1617  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:command_line)
 from gen/moar/main.nqp​:47  (/home/alex/git/rakudo/perl6.moarvm​:MAIN)
 from gen/moar/main.nqp​:38  (/home/alex/git/rakudo/perl6.moarvm​:<mainline>)
 from <unknown>​:1  (/home/alex/git/rakudo/perl6.moarvm​:<main>)
 from <unknown>​:1  (/home/alex/git/rakudo/perl6.moarvm​:<entry>)

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p6rt commented Oct 7, 2017

From @AlexDaniel

############ 3
debug
   at SETTING​::src/core/Exception.pm​:57  (./CORE.setting.moarvm​:throw)
 from src/Perl6/World.nqp​:4660  (blib/Perl6/World.moarvm​:throw)
 from src/Perl6/Grammar.nqp​:272  (blib/Perl6/Grammar.moarvm​:typed_panic)
 from src/Perl6/Grammar.nqp​:262  (blib/Perl6/Grammar.moarvm​:panic)
 from src/Perl6/Grammar.nqp​:607  (blib/Perl6/Grammar.moarvm​:kok)
 from <unknown>​:1  (blib/Perl6/Grammar.moarvm​:terminator​:sym<while>)
 from gen/moar/stage2/QRegex.nqp​:1721  (/home/alex/git/rakudo/install/share/nqp/lib/QRegex.moarvm​:!protoregex)
 from <unknown>​:1  (blib/Perl6/Grammar.moarvm​:terminator)
 from <unknown>​:1  (blib/Perl6/Grammar.moarvm​:stdstopper)
 from src/Perl6/Grammar.nqp​:3996  (blib/Perl6/Grammar.moarvm​:infixish)
 from gen/moar/stage2/NQPHLL.nqp​:939  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:EXPR)
 from src/Perl6/Grammar.nqp​:3981  (blib/Perl6/Grammar.moarvm​:EXPR)
 from src/Perl6/Grammar.nqp​:1306  (blib/Perl6/Grammar.moarvm​:statement)
 from src/Perl6/Grammar.nqp​:1238  (blib/Perl6/Grammar.moarvm​:statementlist)
 from gen/moar/stage2/NQPHLL.nqp​:1105  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:LANG)
 from src/Perl6/Grammar.nqp​:1677  (blib/Perl6/Grammar.moarvm​:FOREIGN_LANG)
 from src/Perl6/Grammar.nqp​:1202  (blib/Perl6/Grammar.moarvm​:comp_unit)
 from src/Perl6/Grammar.nqp​:508  (blib/Perl6/Grammar.moarvm​:TOP)
 from gen/moar/stage2/QRegex.nqp​:2330  (/home/alex/git/rakudo/install/share/nqp/lib/QRegex.moarvm​:parse)
 from gen/moar/stage2/NQPHLL.nqp​:1864  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:parse)
 from gen/moar/stage2/NQPHLL.nqp​:1780  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:execute_stage)
 from gen/moar/stage2/NQPHLL.nqp​:1813  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:run)
 from gen/moar/stage2/NQPHLL.nqp​:1816  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:)
 from gen/moar/stage2/NQPHLL.nqp​:1802  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:compile)
 from gen/moar/stage2/NQPHLL.nqp​:1511  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:eval)
 from gen/moar/stage2/NQPHLL.nqp​:1636  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:)
 from gen/moar/stage2/NQPHLL.nqp​:1682  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:command_eval)
 from src/Perl6/Compiler.nqp​:42  (blib/Perl6/Compiler.moarvm​:command_eval)
 from gen/moar/stage2/NQPHLL.nqp​:1617  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:command_line)
 from gen/moar/main.nqp​:47  (/home/alex/git/rakudo/perl6.moarvm​:MAIN)
 from gen/moar/main.nqp​:38  (/home/alex/git/rakudo/perl6.moarvm​:<mainline>)
 from <unknown>​:1  (/home/alex/git/rakudo/perl6.moarvm​:<main>)
 from <unknown>​:1  (/home/alex/git/rakudo/perl6.moarvm​:<entry>)

############ 4
debug
   at SETTING​::src/core/Exception.pm​:57  (./CORE.setting.moarvm​:throw)
 from src/Perl6/World.nqp​:4660  (blib/Perl6/World.moarvm​:throw)
 from src/Perl6/Grammar.nqp​:272  (blib/Perl6/Grammar.moarvm​:typed_panic)
 from src/Perl6/Grammar.nqp​:262  (blib/Perl6/Grammar.moarvm​:panic)
 from src/Perl6/Grammar.nqp​:607  (blib/Perl6/Grammar.moarvm​:kok)
 from <unknown>​:1  (blib/Perl6/Grammar.moarvm​:statement_mod_loop​:sym<while>)
 from gen/moar/stage2/QRegex.nqp​:1721  (/home/alex/git/rakudo/install/share/nqp/lib/QRegex.moarvm​:!protoregex)
 from <unknown>​:1  (blib/Perl6/Grammar.moarvm​:statement_mod_loop)
 from src/Perl6/Grammar.nqp​:1308  (blib/Perl6/Grammar.moarvm​:statement)
 from src/Perl6/Grammar.nqp​:1238  (blib/Perl6/Grammar.moarvm​:statementlist)
 from gen/moar/stage2/NQPHLL.nqp​:1105  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:LANG)
 from src/Perl6/Grammar.nqp​:1677  (blib/Perl6/Grammar.moarvm​:FOREIGN_LANG)
 from src/Perl6/Grammar.nqp​:1202  (blib/Perl6/Grammar.moarvm​:comp_unit)
 from src/Perl6/Grammar.nqp​:508  (blib/Perl6/Grammar.moarvm​:TOP)
 from gen/moar/stage2/QRegex.nqp​:2330  (/home/alex/git/rakudo/install/share/nqp/lib/QRegex.moarvm​:parse)
 from gen/moar/stage2/NQPHLL.nqp​:1864  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:parse)
 from gen/moar/stage2/NQPHLL.nqp​:1780  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:execute_stage)
 from gen/moar/stage2/NQPHLL.nqp​:1813  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:run)
 from gen/moar/stage2/NQPHLL.nqp​:1816  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:)
 from gen/moar/stage2/NQPHLL.nqp​:1802  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:compile)
 from gen/moar/stage2/NQPHLL.nqp​:1511  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:eval)
 from gen/moar/stage2/NQPHLL.nqp​:1636  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:)
 from gen/moar/stage2/NQPHLL.nqp​:1682  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:command_eval)
 from src/Perl6/Compiler.nqp​:42  (blib/Perl6/Compiler.moarvm​:command_eval)
 from gen/moar/stage2/NQPHLL.nqp​:1617  (/home/alex/git/rakudo/install/share/nqp/lib/NQPHLL.moarvm​:command_line)
 from gen/moar/main.nqp​:47  (/home/alex/git/rakudo/perl6.moarvm​:MAIN)
 from gen/moar/main.nqp​:38  (/home/alex/git/rakudo/perl6.moarvm​:<mainline>)
 from <unknown>​:1  (/home/alex/git/rakudo/perl6.moarvm​:<main>)
 from <unknown>​:1  (/home/alex/git/rakudo/perl6.moarvm​:<entry>)

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p6rt commented Oct 7, 2017

From @AlexDaniel

Some discussion​: https://irclog.perlgeek.de/perl6/2017-10-07#i_15271146

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p6rt commented Oct 7, 2017

From @AlexDaniel

Should be fixed in rakudo/rakudo@5747bc7121

Testneeded. Slightly relevant tests here​: Raku/roast@34577134e0

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p6rt commented Dec 14, 2017

From @zoffixznet

Tests​: rakudo/rakudo@eaf609edb2dfe35688d8a52e

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p6rt commented Dec 14, 2017

@zoffixznet - Status changed from 'new' to 'resolved'

@p6rt p6rt closed this as completed Dec 14, 2017
@p6rt p6rt added LTA Less Than Awesome; typically an error message that could be better testneeded labels Jan 5, 2020
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