Also B::Debug: # Failed test at t/debug.t line 81. # got: 'leave enter nextstate label leaveloop enterloop null and defined null null gvsv readline gv lineseq nextstate split null gvsv const nextstate subst const unstack' # expected: 'leave enter nextstate label leaveloop enterloop null and defined null null gvsv readline gv lineseq nextstate split pushre null gvsv const nextstate subst const unstack' # Looks like you failed 1 test of 11. Will link CPAN RT momentarily --- via perlbug: queue: perl5 status: open https://rt.perl.org/Ticket/Display.html?id=129821