From @drforr

This code was copied from perl5's Carp module and crudely translated -
read​: hacksaw, blowtorch and hammer applied until code compiled. I know
what it used to do in perl5, what it gets up to in perl6 is anyone's
guess, but it appears to be *bad*. I'm not sure that it *should* compile
in Perl6, but it certainly shouldn't cause the compiler to bail. And
yes, I'm running on latest moarVM.

I'm certain that Perl6 classes and namespaces now work in an entirely
different fashion. I was just copying over Carp.pm to get its interface
to a new directory, and ran across this particular gem.

--cut here--
sub _fetch_sub {
  %​::{'$pack'};
}
--cut here--

I should note in passing that it's the compile stage that's tripping up,
as there's nothing that invokes _fetch_sub() in the script. The error
suggests that the MoarVM compiler is walking off the end of an array
somewhere.

--cut here--
===SORRY!===
MVMArray​: Index out of bounds
--cut here--

From @FROGGS

FROGGS​: DrForr​: I cannot reproduce RT #​125772
bartolin_​: FROGGS​: the output for DrForr's code changed with commit rakudo/rakudo@68f20f4c11
FROGGS​: ohh
bartolin_​: FROGGS​: there was some discussion here​: http://irclog.perlgeek.de/perl6/2015-08-09#i_11030267

The RT System itself - Status changed from 'new' to 'open'

From @coke

On Sun Aug 09 09​:36​:23 2015, drforr@​pobox.com wrote​:

This code was copied from perl5's Carp module and crudely translated -
read​: hacksaw, blowtorch and hammer applied until code compiled. I know
what it used to do in perl5, what it gets up to in perl6 is anyone's
guess, but it appears to be *bad*. I'm not sure that it *should* compile
in Perl6, but it certainly shouldn't cause the compiler to bail. And
yes, I'm running on latest moarVM.

I'm certain that Perl6 classes and namespaces now work in an entirely
different fashion. I was just copying over Carp.pm to get its interface
to a new directory, and ran across this particular gem.

--cut here--
sub _fetch_sub {
%​::{'$pack'};
}
--cut here--

I should note in passing that it's the compile stage that's tripping up,
as there's nothing that invokes _fetch_sub() in the script. The error
suggests that the MoarVM compiler is walking off the end of an array
somewhere.

--cut here--
===SORRY!===
MVMArray​: Index out of bounds
--cut here--

This now errors with​:

===SORRY!=== Error while compiling /Users/williamcoleda/sandbox/rakudo/foo.p6
Variable '%' is not declared
at /Users/williamcoleda/sandbox/rakudo/foo.p6​:2
------> ⏏%​::{'$pack'};

Which seems reasonable. Can we close this ticket (perhaps with tests?)

--
Will "Coke" Coleda

From @zoffixznet

Tests added in Raku/roast@e15eb978c2

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