New comment by ericonr on void-packages repository

https://github.com/void-linux/void-packages/issues/34124#issuecomment-972365101

Comment:
You want literally `-p pkgver`, not to replace the known pkgver ;)

> (hoping that building it natively may bypass some obscure bug or something)

i686 packages are built natively.

> I'm not particularly experienced with xbps-src so I left it there, otherwise I would have tried building a debug release and seeing if I could trace the instruction further.

Reinstall `LuaJIT` from official repos, then `void-repo-debug`, then `xbps-install -S LuaJIT-dbg` (and possible `neovim-dbg`, for extra info).