title: React 15 setState next line does not work
body: <p>The react setState after action doesn't work.</p>
  <pre><code>handleChange = () =&gt; {
      this.setState({foo: 'bar'});  &lt; - it working 
      console.log('hellow') &lt; - does not working, console is clean 
  }
  </code></pre>
  <p>As far i checked my state, I did everything right about the state values.</p>
  <p>I don't know what is the problem</p>
  <p>---- update----</p>
  <p>The project that created a new create-react-app operates very normally.</p>
  <p>I don't know why the above issue occurred, and it doesn't make sense in common sense, but it seems that it's because the project is so messed up.</p>
  <p>Thank you for answering such limited situations.</p>