Hi Simon,

To modify nofib, simply submit a merge request to https://gitlab.haskell.org/ghc/nofib with the appropriate change.
Once it's integrated, run `git submodule update --remote` in the GHC repo to update the submodule and push the update as part of your work.

Cheers,
Hécate

Le 10/11/2023 à 13:34, Simon Peyton Jones a écrit :

Dear devs

Building 'nofib' with HEAD fails with

real/scs/Parse.hs:40:19: error: [GHC-87543]
    Ambiguous occurrence ‘List’.
    It could refer to
       either ‘Data.List.List’,
              imported from ‘Data.List’ at real/scs/Parse.hs:4:1-16
              (and originally defined in ‘GHC.Types’),
           or ‘Types.List’,
              imported from ‘Types’ at real/scs/Parse.hs:8:1-12.
   |
40 | list    :: Parser List
   |                   ^^^^

This is because of a change in the export list of Data.List.  The fix is easy (hide the import of List).

But I don't know how to update nofib and the subdmodule magic to make HEAD pick the new version. 

Could anyone possible execute on this?  Thanks

Simon

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