[perl #63568] Null PMC access when calling .arity on a multi sub in Rakudo

[Carl Mäsak]

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<szabgab> oh and is arity defined on multi subs ?
<szabgab> rakudo: sub f($z) {}; &f.arity.say
<p6eval> rakudo af4b73: OUTPUT«1␤»
<szabgab> rakudo: multi sub f($z) {}; &f.arity.say
<p6eval> rakudo af4b73: OUTPUT«Null PMC access in find_method()␤ [...]
* masak submits rakudobug
<masak> szabgab++