[perl #126030] Multi-dim hash loses track of leaf type

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# New Ticket Created by  Larry Wall 
# Please include the string:  [perl #126030]
# in the subject line of all future correspondence about this issue. 
# <URL: https://rt.perl.org/Ticket/Display.html?id=126030 >


22:22 < TimToady> m: my Bool %hash{*;*}; %hash{"a"; "b"} = True;
22:22 <+camelia> rakudo-moar c54773: OUTPUT«Type check failed in assignment
to '%hash'; expected 'Bool' but got 'Hash'␤  in block <unit>
                 at /tmp/NWldXMtkgi:1␤␤»