From @dogbert17

# the system
dogbert@​dogbert-VirtualBox ~/repos/rakudo $ ./perl6 -v
This is Rakudo version 2017.04.3-238-g50d5ac327 built on MoarVM version 2017.04-64-g6d5ea042
implementing Perl 6.c.

# the problem
dogbert@​dogbert-VirtualBox ~/repos/rakudo $ ./perl6 -e 'say bag(<a a b c a d>) (-) bag(<a a b c c>) == bag(<a d>)'
P6opaque​: get_boxed_ref could not unbox for the representation '20' of type Scalar
  in block <unit> at -e line 1

# Alexdaniel++ quickly dug up the following
12​:15​:17 +bisectable6 | AlexDaniel, Bisecting by exit code (old=2015.12 new=50d5ac3). Old exit code​: 0
12​:15​:26 +bisectable6 | AlexDaniel, bisect log​: https://gist.github.com/ea9b1f5cafac02e57b9a7d2d3eb01b8c
12​:15​:26 +bisectable6 | AlexDaniel, (2017-05-11) rakudo/rakudo@788e6de 

From @lizmat

Argh. This is waiting for the refactor of (-) . Looking at how quickly I can do this while at the PTS.

On 13 May 2017, at 12​:27, Jan-Olof Hendig (via RT) <perl6-bugs-followup@​perl.org> wrote​:

# New Ticket Created by Jan-Olof Hendig
# Please include the string​: [perl #​131303]
# in the subject line of all future correspondence about this issue.
# <URL​: https://rt-archive.perl.org/perl6/Ticket/Display.html?id=131303 >

# the system
dogbert@​dogbert-VirtualBox ~/repos/rakudo $ ./perl6 -v
This is Rakudo version 2017.04.3-238-g50d5ac327 built on MoarVM version 2017.04-64-g6d5ea042
implementing Perl 6.c.

# the problem
dogbert@​dogbert-VirtualBox ~/repos/rakudo $ ./perl6 -e 'say bag(<a a b c a d>) (-) bag(<a a b c c>) == bag(<a d>)'
P6opaque​: get_boxed_ref could not unbox for the representation '20' of type Scalar
in block <unit> at -e line 1

# Alexdaniel++ quickly dug up the following
12​:15​:17 +bisectable6 | AlexDaniel, Bisecting by exit code (old=2015.12 new=50d5ac3). Old exit code​: 0
12​:15​:26 +bisectable6 | AlexDaniel, bisect log​: https://gist.github.com/ea9b1f5cafac02e57b9a7d2d3eb01b8c
12​:15​:26 +bisectable6 | AlexDaniel, (2017-05-11) rakudo/rakudo@788e6de 

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

From @lizmat

The problem was actually in setting values in (Bag|Mix)Hash. The problem could be golfed to​:

  my $b = BagHash.new; $b<a> = 42; $b.total

Fixed in rakudo/rakudo@4c813666df . Tests needed

On 13 May 2017, at 12​:27, Jan-Olof Hendig (via RT) <perl6-bugs-followup@​perl.org> wrote​:

# New Ticket Created by Jan-Olof Hendig
# Please include the string​: [perl #​131303]
# in the subject line of all future correspondence about this issue.
# <URL​: https://rt-archive.perl.org/perl6/Ticket/Display.html?id=131303 >

# the system
dogbert@​dogbert-VirtualBox ~/repos/rakudo $ ./perl6 -v
This is Rakudo version 2017.04.3-238-g50d5ac327 built on MoarVM version 2017.04-64-g6d5ea042
implementing Perl 6.c.

# the problem
dogbert@​dogbert-VirtualBox ~/repos/rakudo $ ./perl6 -e 'say bag(<a a b c a d>) (-) bag(<a a b c c>) == bag(<a d>)'
P6opaque​: get_boxed_ref could not unbox for the representation '20' of type Scalar
in block <unit> at -e line 1

# Alexdaniel++ quickly dug up the following
12​:15​:17 +bisectable6 | AlexDaniel, Bisecting by exit code (old=2015.12 new=50d5ac3). Old exit code​: 0
12​:15​:26 +bisectable6 | AlexDaniel, bisect log​: https://gist.github.com/ea9b1f5cafac02e57b9a7d2d3eb01b8c
12​:15​:26 +bisectable6 | AlexDaniel, (2017-05-11) rakudo/rakudo@788e6de 

From @dogbert17

On Sat, 13 May 2017 04​:29​:45 -0700, elizabeth wrote​:

The problem was actually in setting values in (Bag|Mix)Hash. The
problem could be golfed to​:

my $b = BagHash.new; $b<a> = 42; $b.total

Fixed in rakudo/rakudo@4c813666df . Tests
needed

On 13 May 2017, at 12​:27, Jan-Olof Hendig (via RT) <perl6-bugs-
followup@​perl.org> wrote​:

# New Ticket Created by Jan-Olof Hendig
# Please include the string​: [perl #​131303]
# in the subject line of all future correspondence about this issue.
# <URL​: https://rt-archive.perl.org/perl6/Ticket/Display.html?id=131303 >

# the system
dogbert@​dogbert-VirtualBox ~/repos/rakudo $ ./perl6 -v
This is Rakudo version 2017.04.3-238-g50d5ac327 built on MoarVM
version 2017.04-64-g6d5ea042
implementing Perl 6.c.

# the problem
dogbert@​dogbert-VirtualBox ~/repos/rakudo $ ./perl6 -e 'say bag(<a a
b c a d>) (-) bag(<a a b c c>) == bag(<a d>)'
P6opaque​: get_boxed_ref could not unbox for the representation '20'
of type Scalar
in block <unit> at -e line 1

# Alexdaniel++ quickly dug up the following
12​:15​:17 +bisectable6 | AlexDaniel, Bisecting by exit code
(old=2015.12 new=50d5ac3). Old exit code​: 0
12​:15​:26 +bisectable6 | AlexDaniel, bisect log​:
https://gist.github.com/ea9b1f5cafac02e57b9a7d2d3eb01b8c
12​:15​:26 +bisectable6 | AlexDaniel, (2017-05-11)
rakudo/rakudo@788e6de

Tests have been added to t/spec/S03-operators/set_difference.t

From @dogbert17

On Wed, 05 Jul 2017 07​:25​:34 -0700, jan-olof.hendig@​bredband.net wrote​:

On Sat, 13 May 2017 04​:29​:45 -0700, elizabeth wrote​:

The problem was actually in setting values in (Bag|Mix)Hash. The
problem could be golfed to​:

my $b = BagHash.new; $b<a> = 42; $b.total

Fixed in rakudo/rakudo@4c813666df . Tests
needed

On 13 May 2017, at 12​:27, Jan-Olof Hendig (via RT) <perl6-bugs-
followup@​perl.org> wrote​:

# New Ticket Created by Jan-Olof Hendig
# Please include the string​: [perl #​131303]
# in the subject line of all future correspondence about this
issue.
# <URL​: https://rt-archive.perl.org/perl6/Ticket/Display.html?id=131303 >

# the system
dogbert@​dogbert-VirtualBox ~/repos/rakudo $ ./perl6 -v
This is Rakudo version 2017.04.3-238-g50d5ac327 built on MoarVM
version 2017.04-64-g6d5ea042
implementing Perl 6.c.

# the problem
dogbert@​dogbert-VirtualBox ~/repos/rakudo $ ./perl6 -e 'say bag(<a
a
b c a d>) (-) bag(<a a b c c>) == bag(<a d>)'
P6opaque​: get_boxed_ref could not unbox for the representation '20'
of type Scalar
in block <unit> at -e line 1

# Alexdaniel++ quickly dug up the following
12​:15​:17 +bisectable6 | AlexDaniel, Bisecting by exit code
(old=2015.12 new=50d5ac3). Old exit code​: 0
12​:15​:26 +bisectable6 | AlexDaniel, bisect log​:
https://gist.github.com/ea9b1f5cafac02e57b9a7d2d3eb01b8c
12​:15​:26 +bisectable6 | AlexDaniel, (2017-05-11)
rakudo/rakudo@788e6de

Tests have been added to t/spec/S03-operators/set_difference.t

@dogbert17 - Status changed from 'open' to 'resolved'