Apply LH DynFlags tweaks after parsing GHC options
Apply LH DynFlags tweaks after parsing GHC options

ucsd-progsys/liquidhaskell,ucsd-progsys/liquidhaskell,ucsd-progsys/liquidhaskell,ucsd-progsys/liquidhaskell,ucsd-progsys/liquidhaskell,ucsd-progsys/liquidhaskell