I'm fixing http://hackage.haskell.org/trac/ghc/ticket/2467
But it transpires that arrays/Data/Array.hs has an orphan instance, so it now
fails validateion
Data/Array.hs:90:9:
Warning: orphan instance: instance (Ix i) => Foldable (Array i)
Data/Array.hs:93:9:
Warning: orphan instance: instance (Ix i) => Traversable (Array i)
What's the best thing to do?
- Remove -Werror for that module (how?)
- Add -fno-warn-orphans for that module (but then we'd forget that there was an
issue at all)
- Move the instances
I don't mind which, but I've got to go home now.
Simon
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