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-rw-r--r--compiler/GHC/Core/Coercion/Opt.hs8
1 files changed, 6 insertions, 2 deletions
diff --git a/compiler/GHC/Core/Coercion/Opt.hs b/compiler/GHC/Core/Coercion/Opt.hs
index bb99f93ac6..2de2089904 100644
--- a/compiler/GHC/Core/Coercion/Opt.hs
+++ b/compiler/GHC/Core/Coercion/Opt.hs
@@ -9,6 +9,8 @@ module GHC.Core.Coercion.Opt ( optCoercion, checkAxInstCo ) where
import GHC.Prelude
import GHC.Driver.Session
+import GHC.Driver.Ppr
+
import GHC.Core.TyCo.Rep
import GHC.Core.TyCo.Subst
import GHC.Core.Coercion
@@ -18,15 +20,17 @@ import GHC.Core.TyCon
import GHC.Core.Coercion.Axiom
import GHC.Types.Var.Set
import GHC.Types.Var.Env
-import GHC.Utils.Outputable
import GHC.Core.FamInstEnv ( flattenTys )
import GHC.Data.Pair
import GHC.Data.List.SetOps ( getNth )
-import GHC.Utils.Misc
import GHC.Core.Unify
import GHC.Core.InstEnv
import Control.Monad ( zipWithM )
+import GHC.Utils.Outputable
+import GHC.Utils.Misc
+import GHC.Utils.Panic
+
{-
%************************************************************************
%* *