[perl #122746] [BUG] Stringification of AST parameter not captured properly in postfix macro in Rakudo

[Carl Mäsak]

# New Ticket Created by  "Carl Mäsak" 
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<masak> m: macro postfix:<!!>($o) { quasi { die "Null check failed for
", $o.Str unless defined {{{$o}}}; {{{$o}}} } }; say 42!!; my
$cookies; my $food = $cookies!!
16:18 <+camelia> rakudo-moar 51ddd5: OUTPUT«42␤Null check failed for ␤
 in any [...]»
<masak> so close.
* masak submits rakudobug
<masak> (it should capture the string '$cookies' in $o.Str, IMO)
<masak> that is, the error message shoulda been 'Null check failed for $cookies'