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This sets the stage for a later change, where this algorithm will be needed from GHC.Core.InstEnv. This commit also splits GHC.Core.Map into GHC.Core.Map.Type and GHC.Core.Map.Expr, in order to avoid module import cycles with GHC.Core.
72a87fbc
This sets the stage for a later change, where this algorithm will be needed from GHC.Core.InstEnv. This commit also splits GHC.Core.Map into GHC.Core.Map.Type and GHC.Core.Map.Expr, in order to avoid module import cycles with GHC.Core.