ghc-9.10

how to build with ghc-9.10 :

curl https://ghc.gitlab.haskell.org/head.hackage/cabal.project >> cabal.project.local

cabal -j --semaphore test -w /opt/ghc/ghc-9.10.0.20240313/bin/ghc  -O0 autotool-collection
...
(for "semaphore" to work, use (unreleases) cabal from 3.12 branch)

errors:

Could not deduce ‘ToDoc m’ arising from the superclasses of an instance declaration