[perl #73112] [BUG] There's an empty method on [[]] which gives [] in Rakudo

[Carl Mäsak]

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<diakopter> rakudo: [[]].perl.say; [[]].''().perl.say  # I don't know
why there's an empty method here...
<p6eval> rakudo 852213: OUTPUT«[[]]␤[]␤»
* masak submits rakudobug