[perl #130181] [BUG] .WHAT.:: leaks internal exception

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# New Ticket Created by  Tobias Leich 
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say Int.new.WHAT.::

rakudo-moar 7c5ea3: OUTPUT«===SORRY!===␤MVMArray: Can't pop from an
empty array␤»

IMO it should do the same as:
m: say Int::
rakudo-moar 7c5ea3: OUTPUT«Int␤»