[perl #125371] Segv on binding to one self and saying it

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# New Ticket Created by  Elizabeth Mattijsen 
# Please include the string:  [perl #125371]
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# <URL: https://rt.perl.org/Ticket/Display.html?id=125371 >


[20:53:15]  <lizmat>    m: my $a := $a; say $a   # jackpot!
[20:53:16]  <+camelia>  rakudo-moar 80f8ef: OUTPUT«(signal SEGV)»