Simon Peyton Jones via ghc-devs <ghc-devs@haskell.org> writes: > I don’t object to this, but I suspect that it's just covering up some other > bug. > Indeed, I concluded the same after our chat today.
I've made a bit of progress tracking down the cause of GHC.Generics being loaded when looking for a `Foldable []` instance. It looks like the cause is the evaluation of the `mod` binding in IfaceEnv.instIsVisible. The RHS of this binding pulls on is_dfun to get its `idName` (which it only need the Module from). I'm afraid I'll need to pick this up tomorrow though; it's getting rather late. I'll paste the above in the ticket to ensure it isn't lost. Cheers, - Ben
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