Thanks for finding that. Can we close this duplicate bug? Issue #128287 has
stronger steps to reproduce, and using that test case, I found this bug
goes back to at least 2015.12.
On Wed, Dec 13, 2017 at 11:56 PM Zoffix Znet via RT <
perl6-bugs-follo...@perl.org> wrote:
> On Wed, 06 Dec 2017 01:59:42 -0800, d...@zwell.net wrote:
> > A git bisect showed that this error began in commit
> > 22b4ef05b1f72b50d63e4599d5e037bccf1f08ed, but there must be have been
> > an
> > underlying problem that was already present, since this commit did not
> > change the type system.
> >
> > On Fri, Dec 1, 2017 at 6:00 PM perl6 via RT <perl6-bugs-
> > follo...@perl.org>
> > wrote:
> >
> > > Greetings,
> > >
> > > This message has been automatically generated in response to the
> > > creation of a trouble ticket regarding:
> > > "[BUG] type constraints to Array[Pair] don't work when
> > > precompiled",
> > > a summary of which appears below.
> > >
> > > There is no need to reply to this message right now. Your ticket has
> > > been
> > > assigned an ID of [perl #132525].
> > >
> > > Please include the string:
> > >
> > > [perl #132525]
> > >
> > > in the subject line of all future correspondence about this issue. To
> > > do
> > > so,
> > > you may reply to this message.
> > >
> > > Thank you,
> > > perl6-bugs-follo...@perl.org
> > >
> > >
> -------------------------------------------------------------------------
> > > The following function runs fine when it's not defined in an external
> > > file:
> > >
> > > our sub get-array(--> Array[Pair]) {
> > > return my Pair @pairs;
> > > }
> > >
> > > But when if you put the above code in a module and run it with:
> > > perl6 -I. -MMyModule -e 'MyModule::get-array'
> > >
> > > The output is:
> > > Type check failed for return value; expected Array[Pair] but got
> > > Array[Pair].new()
> > > in sub get-array at MyModule.pm6 (MyModule) line 2
> > >
> > > Tested with:
> > > Rakudo version 2017.10 built on MoarVM version 2017.10
> > > Rakudo version 2017.10-196-gfff43fd70 built on MoarVM version
> > > 2017.10-77-gb9a01f75
> > >
> > >
>
>
> These two tickets have the same symptoms:
>
> https://rt.perl.org/Ticket/Display.html?id=128287#ticket-history
> https://rt.perl.org/Ticket/Display.html?id=127001#ticket-history
>
