[perl #117583] [BUG] Null PMC Access in get_bool() when redeclaring an 'is copy' variable in a sub

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# New Ticket Created by  Brent Laabs 
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labster: r: sub foo ($dir is copy) { my $dir }
p6eval: rakudo 3e1b44: OUTPUT«[31m===[0mSORRY![31m===[0m␤Null PMC access in
get_bool()␤at /tmp/mqVzMrxeA9:1␤------> ␤»