ben at smart-cactus.org
Tue May 4 23:31:25 UTC 2021
Simon Peyton Jones via ghc-devs <ghc-devs at haskell.org> writes:
> If 'transformers' purposely has orphan instances, shouldn't we switch off the warnings about them?
We actually do so in Make, but strangely only in the stage2 build (see
mk/warnings.mk). It's unclear to me why this is the case. I think the
ideal solution is to add an OPTIONS_GHC -Wno-orphans pragma upstream in
the affected module, although this would require getting code upstream
which is a bit tiresome due it being in darcs.
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