Webpack with Vue compat stalls in dev build
Version
3.1.1
Reproduction link
https://codepen.io/marcusds/pen/wvJxeab
Steps to reproduce
With Vue setup to use @vue/compat in MODE: 2, run a dev build.
What is expected?
A dev build succeeds
What is actually happening?
The build stalls around; 57% building 38/44 entries 206/234 dependencies 67/110 modules
A prod build works fine, it is only the dev build that stalls. Even in verbose mode there is no info given.