perl -MO=Concise -e '{package int}; my  int $y'
8  <@> leave[1 ref] vKP/REFC ->(end)
1     <0> enter ->2
2     <;> nextstate(main 2 -e:1) v:{ ->3
5     <2> leaveloop vK/2 ->6
3        <{> enterloop(next->5 last->5 redo->4) v ->4
4        <0> stub v ->5
6     <;> nextstate(main 2 -e:1) v:{ ->7
7     <0> padsv[$y:2,3] vM/LVINTRO ->8