[perl #122842] segfault with moar with specific PERL6LIB and running a specific test file

[Christian Bartolomaeus via RT]

This was fixed in MoarVM today (cmp. 
http://irclog.perlgeek.de/perl6/2014-10-02#i_9446636 and 
http://irclog.perlgeek.de/perl6/2014-10-02#i_9447562).