Wrong arguments passing order.

[danez]

Reported by @virtyaluk

I'm exploring source code of babylon parser and saw next code under lval.js:

// Parses spread element.

pp.parseSpread = function (refShorthandDefaultPos) {
  let node = this.startNode();
  this.next();
  node.argument = this.parseMaybeAssign(refShorthandDefaultPos);
  return this.finishNode(node, "SpreadElement");
};

Pay attention to the line:

node.argument = this.parseMaybeAssign(refShorthandDefaultPos);

And have a look at parseMaybessign signature:

function (noIn, refShorthandDefaultPos, afterLeftParse)

Seems like argument passed in wrong order.
I believe, there's need to pass some bool argument first and only then pass refShorthandDefaultPos.
Am I wrong?