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Diffstat (limited to 'compiler/GHC/Core/DataCon.hs')
| -rw-r--r-- | compiler/GHC/Core/DataCon.hs | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/compiler/GHC/Core/DataCon.hs b/compiler/GHC/Core/DataCon.hs index 2846fa7b33..043cb82574 100644 --- a/compiler/GHC/Core/DataCon.hs +++ b/compiler/GHC/Core/DataCon.hs @@ -1542,14 +1542,18 @@ dataConWrapperType (MkData { dcUserTyVarBinders = user_tvbs, res_ty dataConNonlinearType :: DataCon -> Type +-- Just like dataConWrapperType, but with the +-- linearity on the arguments all zapped to Many dataConNonlinearType (MkData { dcUserTyVarBinders = user_tvbs, dcOtherTheta = theta, dcOrigArgTys = arg_tys, - dcOrigResTy = res_ty }) - = let arg_tys' = map (\(Scaled w t) -> Scaled (case w of OneTy -> ManyTy; _ -> w) t) arg_tys - in mkInvisForAllTys user_tvbs $ - mkInvisFunTys theta $ - mkScaledFunTys arg_tys' $ - res_ty + dcOrigResTy = res_ty, + dcStupidTheta = stupid_theta }) + = mkInvisForAllTys user_tvbs $ + mkInvisFunTys (stupid_theta ++ theta) $ + mkScaledFunTys arg_tys' $ + res_ty + where + arg_tys' = map (\(Scaled w t) -> Scaled (case w of OneTy -> ManyTy; _ -> w) t) arg_tys dataConDisplayType :: Bool -> DataCon -> Type dataConDisplayType show_linear_types dc |