Add patches for bifunctors and fgl

Changes due to ghc@d87f28d8

mentioned in issue ghc#22567 (closed)

Do you want to just keep adding patches for newly-exposed broken packages to this MR?

The next two are futhark and hgeometry-combinatorial (grep 39999 on https://gitlab.haskell.org/ghc/head.hackage/-/jobs/1254872)

Supposedly the full list is provided on the proposal discussion and there are already patches sent to the upstream packages.

In fact this zipped cabal.project already has source-repository-package entries for patched versions of all impacted packages. Can that be used by head.hackage?

The cabal.project is not very useful because it doesn't contain the patch files. If these patches are already prepared they should be submitted to head.hackage as a matter of course when making such breaking MRs.

I've just uploaded bifunctors-5.5.14 to Hackage, which supports GHC HEAD. As a result, you should be able to remove the bifunctors patch that this MR adds.

I can see the number of packages processed during the nightly job has gone back up - I guess this explains it?

Indeed. The latest nightly head.hackage job now builds bifunctors-5.5.14 (as well as any packages depending on it that currently build).

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• 3b49cf8d - Add patches for fgl, futhark and hgeometry-combinatorial

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• 5f8d2a6a - Add patches for fgl, futhark and hgeometry-combinatorial

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enabled an automatic merge when the pipeline for 5f8d2a6a succeeds

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