[perl #130200] [LTA] Error when attempting to use a package that has one of core namespaces in its name

[Zoffix Znet via RT]

On Mon, 28 Nov 2016 05:41:48 -0800, c...@zoffix.com wrote:
> On Mon, 28 Nov 2016 05:38:23 -0800, c...@zoffix.com wrote:
> > The error is even weirder here:
> >
> > m: package IO::Foo { }; use IO::Foo
> > rakudo-moar 054aca: OUTPUT«===SORRY!===␤»
> 
> Oh, that one was just a glitch in camelia. The error is the same for
> IO:: as for Attribute::
> 
> m: package IO::Foo { }; use IO::Foo
> rakudo-moar 054aca: OUTPUT«===SORRY!===␤IO::Foo is a builtin type, not
> an external module␤»

One more issue in this bunch, caused by presence of `role X` and invalid method 
call:

    $ perl6 -e 'class Foo { role X {}; method z { Foo!z } }'
    ===SORRY!===
    Could not locate compile-time value for symbol Method::NotFound