(* pour debugger
   set arguments -v test/good/t7.ept *)

node f(x,z1:int) returns (o:int)
  var last z: int;
      last m: int;
      r: int;
  let
    o = (-1);
    r = 0 + pre o + 2;
    z = last z + 2 + last m;
    m = r + 2
  tel

node main() returns (o:int)
let
  o = f(0,0);
tel