Well, the crash is no longer there, but it shouldn't be a VMNull. This problem was observed again today in this discussion: http://colabti.org/irclogger/irclogger_log/perl6?date=2017-10-11#l104
On 2016-05-11 05:05:20, sml...@gmail.com wrote: > Similarly to ticket #127254, this does not segfault for me on an upt- > to-date Rakduo Moar. > > Here's what it prints: > > my ([$a]); > say $a.WHAT; # (Mu) > say $a.^name; # VMNull > say $a.gist; # Cannot call method 'gist' on a null object > > Please check if you can still reproduce the crash after updating > Rakudo.