This is an auto-filled bug because dev-util/ragel fails tests.
The issue was originally discovered on arm64, but it may be reproducible on other arches as well.
If you think that a different summary clarifies the issue better, feel free to change it.
Attached build log and emerge --info.
Created attachment 635728 [details]
build log and emerge --info
same with 18.104.22.168-r2
I tried to open upstream an issue about it.
For the time being we'll do without tests.