[perl #102416] list assignment to natively typed variables blows up

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# New Ticket Created by  Moritz Lenz 
# Please include the string:  [perl #102416]
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# <URL: https://rt.perl.org:443/rt3/Ticket/Display.html?id=102416 >


12:09 < moritz> nom: my int $x; my int $y; ($x, $y) = (5, 6); say $x
12:09 <+p6eval> nom 642e78: OUTPUT«Cannot assign to a non-container␤  in 
method STORE at src/gen/CORE.setting:3734␤  in block <anon> at 
/tmp/15k6zUC4yA:1␤  in <anon> at /tmp/15k6zUC4yA:1␤»

Might be related to the same limitation that prevents us from having 
sub f(int $x is rw) {...}