[perl #74344] Marking an array as slurpy makes it unaccessible by name

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# New Ticket Created by  Moritz Lenz 
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17:23 <@moritz_> rakudo: proto sub a(*...@val) { say @val.perl }; a(:val<a
b c>)
17:23 < p6eval> rakudo cb4521: OUTPUT«Unexpected named parameter 'val'
               passed␤current instr.: 'a' pc 223 (EVAL_1:83)␤»
17:23 <@moritz_> rakudo: proto sub a(@val) { say @val.perl }; a(:val<a b c>)
17:23 < p6eval> rakudo cb4521: OUTPUT«("a", "b", "c")␤»

The only difference between these two lines the * in front of the @val
parameter. Obviously it should work with it, too