rust/src/test/run-pass/yield.rs

// xfail-stage0
// -*- rust -*-

use std;

import std::task::*;

fn main() {
  auto other = spawn child();
  log_err "1";
  yield();
  log_err "2";
  yield();
  log_err "3";
  join(other);
}

fn child() {
  log_err "4";
  yield();
  log_err "5";
  yield();
  log_err "6";
}