[perl #81060] [BUG] LTA error messages when a class inherits from a stubbed class in Rakudo

[Carl Mäsak]

# New Ticket Created by  "Carl Mäsak" 
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<masak> rakudo: class A { ... }; class B is A {}; class A {}
<p6eval> rakudo cae7f9: OUTPUT«===SORRY!===␤Parent isn't a Class.␤»
* masak submits LTA rakudobug
* masak wonders idly what the parent is
<masak> rakudo: class A { ... }; say A.WHAT
<p6eval> rakudo cae7f9: OUTPUT«Failure()␤»
<masak> ah.
<masak> rakudo: class A { ... }; class B is A {}
<p6eval> rakudo cae7f9: OUTPUT«===SORRY!===␤Null PMC access in can()␤»
<masak> huh.
<masak> that's the first causality-defying Null PMC access. :)