[perl #63772] Rakudo can't bind an array element to an array

[Carl Mäsak]

# New Ticket Created by  "Carl Mäsak" 
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<masak> perl6: my @a = 1,2,3; @a[2] := []; say @a.perl
<p6eval> elf 25787: OUTPUT«[1,2,3]␤»
<p6eval> ..rakudo 95ce39: OUTPUT«rtype not set [...]
<p6eval> ..pugs: OUTPUT«\(1, 2, ())␤»
* masak submits rakudobug

Modulo the exact syntax, I'd expect the answer from Rakudo to be more
like the one from Pugs.