Function asyncDeclThrower

deps/v8/test/mjsunit/es8/async-await-basic.js:187–187

(e)

// Throw completion
async function asyncDeclThrower(e) { throw new MyError(e); }
assertThrowsAsync(() => asyncDeclThrower("boom!"), MyError, "boom!");
assertThrowsAsync(
  () => (async function(e) { throw new MyError(e); })("boom!!!"),