$ ./perl -MO=Concise -e 'my $x; my @y; my %z' 8 <@> leave[1 ref] vKP/REFC ->(end) 1 <0> enter ->2 2 <;> nextstate(main 1 -e:1) v ->3 3 <0> padsv[$x:1,4] vM/LVINTRO ->4 4 <;> nextstate(main 2 -e:1) v ->5 5 <0> padav[@y:2,4] vM/LVINTRO ->6 6 <;> nextstate(main 3 -e:1) v ->7 7 <0> padhv[%z:3,4] vM/LVINTRO ->8 -e syntax OK