[perl #66892] [BUG] cannot return an Array with Strs from a sub that declares a return type of Array of Str in Rakudo

[Carl Mäsak]

# New Ticket Created by  "Carl Mäsak" 
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<masak> rakudo: sub foo(--> Array of Str) { my Str @a = <foo bar baz>; @a }; foo
<p6eval> rakudo 10f223: OUTPUT«Use of type object as value␤Type check
failed on return value␤in sub foo [...]
* masak submits rakudobug

I might have misunderstood something -- but if this isn't the way to
declare "I want this sub to return an array of Str", and then to
return an Array of Str (look, it's even typed as that!), then what is?