Wherein I place something that causes a StackOverflow in Uncurry

StackOverflow.scala

def mapParams(methSym: Symbol, tree: DefDef) ={
  val DefDef(_, _, _, vp :: vps, _, _) = tree
  val refTree = gen.mkAttributedRef(tree.symbol.owner.thisType, methSym)
  val forwarderTree = (Apply(refTree, vp map forwardArg) /: vps){
    (fn, params) => Apply(fn, params map forwardArg)
  }
  deriveDefDef(tree)(_ => localTyper.typedPos(tree.symbol.pos)(forwarderTree))
}

def forwardArg(param: Tree): Tree =
  if(param.symbol.hasFlag(BYNAMEPARAM)){
    val ref = gen.mkAttributedRef(param.symbol)
    localTyper.typedPos(param.pos){ Function(Nil, ref) }
  }
  else gen.paramToArg(param.symbol)