[perl #74056] [BUG] A grep matching nothing boolifies to True in Rakudo

[Carl Mäsak]

# New Ticket Created by  "Carl Mäsak" 
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<masak> rakudo: my @a=<svg form web>; say ?...@a.grep("all")
<p6eval> rakudo 02cf9c: OUTPUT«1␤»
<masak> mberends: did you submit that one?
* mberends blushes
* masak does, then
<jnthn> rakudo: my @a=<svg form web>; say @a.grep("all").WHAT
<p6eval> rakudo 02cf9c: OUTPUT«GatherIterator()␤»