func longLongLongJourney() async -> Int { 0 }
func longLongLongAwryJourney() async throws -> Int { 0 }
func consumesAsync(_ fn: () async throws -> Void) rethrows {}

fileprivate func new_name() async throws -> Int {
return try await longLongLongAwryJourney() + 1
}

func testThrowingClosure() async throws -> Int {
  let x = await longLongLongJourney()
  let y = try await new_name()
  try consumesAsync { try await longLongLongAwryJourney() }
  return x + y
}