Function topLevelLoad

src/system-core.js:234–242

(loader, load)

}

function topLevelLoad (loader, load) {
  return load.C = instantiateAll(loader, load, load, {})
  .then(function () {
    return postOrderExec(loader, load, {});
  })
  .then(function () {
    return load.n;
  });
}

// the closest we can get to call(undefined)
var nullContext = Object.freeze(Object.create(null));