Check for void/noreturn in conditionals

[hiphop-php.git] / hphp / hack / test / typecheck / unused_awaitable14.php

<?hh // strict

async function f(): Awaitable<string> {
  return 'foobar';
}

async function g(): Awaitable<string> {
  $output = f();
  return '$foo'.(string) $output.'bar';
}