This repository is dedicated to reproduce error for following issue on nextjs: vercel/next.js#66540

Bug summary

When a 404 page is cached the status of page never change even if page component doesn't return notFound() anymore.

To Reproduce

1. npm install
2. npm run demo
3. Go to: http://localhost:3000/hello-2
4. edit demo/articles.json and modifiy slug from hello to hello-2
5. Refresh http://localhost:3000/hello-2 until “Hello world” appears
6. Chek network tab and http://localhost:3000/hello-2 still with a 404 status