[perl #95340] [BUG] Null PMC access when BUILD method with bang-twigilled hash parameter is called without the corresponding argument in Rakudo

[Carl Mäsak]

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<masak> is this a known bug?
<masak> rakudo: class C { has %!p; submethod BUILD(:%!p) {} }; C.new;
say "alive"
<p6eval> rakudo 922500: OUTPUT«Null PMC access in invoke() [...]
<moritz> nom: class C { has %!p; submethod BUILD(:%!p) {} }; C.new; say 'alive'
<p6eval> nom: OUTPUT«alive␤»
* masak submits rakudobug
<masak> rakudo: class C { has $!p; submethod BUILD(:$!p) {} }; C.new;
say "alive"
<p6eval> rakudo 922500: OUTPUT«alive␤»
<masak> rakudo: class C { has @!p; submethod BUILD(:@!p) {} }; C.new;
say "alive"
<p6eval> rakudo 922500: OUTPUT«alive␤»
<masak> rakudo: class C { has &!p; submethod BUILD(:&!p) {} }; C.new;
say "alive"
<p6eval> rakudo 922500: OUTPUT«alive␤»

So, only fails for hashes; works in nom.