[perl #66636] [BUG] Null PMC access when using a constant declared in a class to be equal to an enum value in Rakudo

[Carl Mäsak]

# New Ticket Created by  "Carl Mäsak" 
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<masak> rakudo: enum B <c d e>; class A { constant f = B::c }; say A::f
<p6eval> rakudo ba09b2: OUTPUT«Null PMC access in isa() [...]
* masak submits rakudobug
<masak> rakudo: enum B <c d e>; class A { constant f = B::c }; say ?A::f
<p6eval> rakudo ba09b2: OUTPUT«Null PMC access in get_bool() [...]
<masak> rakudo: enum B <c d e>; class A { constant f = B::c }; say +A::f
<p6eval> rakudo ba09b2: OUTPUT«Null PMC access in get_number() [...]