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Herbert Valerio Riedel authored
This makes use of the new facility introduced via 14d0f7f1 which allows to have certain flags passed only to the non-bootstrapping GHC. This is needed because sometimes we can't assume the existence of a certain flag in the bootstrapping compiler which was only added recently to GHC HEAD. This also updates the haddock submodule to fix a few remaining noncanonical instance definitions. Differential Revision: https://phabricator.haskell.org/D1571
51d08d82