title: Development build crashes when using React.lazy()
body: <p>I am using react Lazy and Suspense for a component to load, but if i try to build the app using <strong>npm run build</strong> i get a error saying <strong>Error: Uncaught Error: Minified React error #294;</strong>, and also if I comment the lazy loading the build gets successful. 
  code:</p>
  
  <pre><code>import { Suspense, lazy } from 'react';
  const Component= lazy(() =&gt; import('./../location'));
  
  const Homepage=()=&gt;{
    return (
      &lt;&gt;
        &lt;Suspense fallback={&lt;div&gt;Loading...&lt;/div&gt;}&gt;                
          &lt;Component/&gt;
        &lt;/Suspense&gt;
      &lt;/&gt;
    )
  }
  export default Homepage;
  </code></pre>