From @masak

<masak> rakudo​: class A { has $.b = my $foo = 42; method x { say $foo
} } A.new.x
[23​:17]
<p6eval> rakudo 14a83e​: OUTPUT«Null PMC access in getprop() [...]
* masak submits rakudobug
<masak> rakudo​: class A { my $foo = 42; method x { say $foo } }; A.new.x
<p6eval> rakudo 14a83e​: OUTPUT«42␤»

From @moritz

I just unfudged a passing test for that in RT #​73368, I guess jnthn++ is
to blame for this :-)

The RT System itself - Status changed from 'new' to 'open'

@moritz - Status changed from 'open' to 'resolved'