P:\test>perl -MO=Concise -e"sub f{}; goto +f" b <@> leave[t1] vKP/REFC ->(end) 3 <0> enter ->4 4 <;> nextstate(main 2 -e:1) v ->5 a <1> goto vKS/1 ->b 9 <1> refgen sK/1 ->a ## << ex-list lKRM ->9 5 <0> pushmark sRM ->6 8 <1> entersub[t2] lKRMS/NO(),TARG,INARGS,1 ->9 - <1> ex-list lK ->8 6 <0> pushmark s ->7 - <1> ex-rv2cv sK/129 ->- 7 <#> gv s ->8 -e syntax OK