[perl #73384] [BUG] Null PMC access when using &&= or ||= in Rakudo

[Carl Mäsak]

# New Ticket Created by  "Carl Mäsak" 
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<masak> rakudo: my $a = 10; $a &&= 11; say $a
<p6eval> rakudo 54be6d: OUTPUT«Null PMC access in invoke() [...]
* masak submits rakudobug
<masak> rakudo: my $a = 10; $a = $a && 11; say $a
<p6eval> rakudo 54be6d: OUTPUT«11␤»
<masak> so the error has to do with the &&= operator.
<masak> rakudo: my $a = 0; $a ||= 11; say $a
<p6eval> rakudo 54be6d: OUTPUT«Null PMC access in invoke() [...]