[perl #64844] call simple code block with named param unexpectedly produce FixedIntegerArray: index out of bounds!

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# New Ticket Created by  Ilya Belikin 
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Hi there,
Rakudo 0dfcf497, example:

> my $foo = { "Yay" }; say $foo(1);
Yay
> my $foo = { "Yay" }; say $foo(foo => 'bar');
FixedIntegerArray: index out of bounds!

Ilya