babel/packages/babel-plugin-proposal-do-expressions/test/fixtures/do-expressions/while-if/output.js

let p;

let a = function () {
  var _ret;

  while (p = p.parentPath) {
    if (a) {
      _ret = 'a';
    } else {
      _ret = 'b';
    }
  }

  return _ret;
}();