From @masak

<lizmat> std​: $@​
<camelia> std 53b3ca6​: OUTPUT«ok 00​:01 121m␤»
<moritz> m​: $@​
<camelia> rakudo-moar 54cd8f​: OUTPUT«===SORRY!===␤Unknown QAST node type NQPMu␤»
<moritz> that's LTA
* masak submits rakudobug
<moritz> TimToady​: ^^ return self if $name eq '$' || $name eq '@​' ||
$name eq '%' || $name eq '&amp;'; this probably leaves $/.ast
undefined/NQPMu

STD seems to think it's not an error at all. So it either should have
no error message (and no effect in general), or a better error
message.

From @usev6

This works now​:

$ perl6 -e '$@​; say "alive"'
alive

Since there also is a passing test in S32-exceptions/misc.t, I'm closing the ticket.

@usev6 - Status changed from 'new' to 'resolved'