Visual diff on a specific page on Officewiki hangs forever.
Steps to reproduce:
- Edit https://office.wikimedia.org/wiki/Travel/Vienna_Hotels_Manifest_2017 using VisualEditor
- Make any change inside the large table (e.g. copy-paste a checkbox into one of the empty cells)
- Click "Save changes" and "Review your changes"
The page seems to hang forever, using 100% of a CPU core, until eventually it crashed with an "Out of memory" error.