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-rw-r--r--compiler/GHC/Core/Opt/ConstantFold.hs3
1 files changed, 3 insertions, 0 deletions
diff --git a/compiler/GHC/Core/Opt/ConstantFold.hs b/compiler/GHC/Core/Opt/ConstantFold.hs
index e6d23f3d0a..94d469a515 100644
--- a/compiler/GHC/Core/Opt/ConstantFold.hs
+++ b/compiler/GHC/Core/Opt/ConstantFold.hs
@@ -29,6 +29,8 @@ where
import GHC.Prelude
+import GHC.Driver.Ppr
+
import {-# SOURCE #-} GHC.Types.Id.Make ( mkPrimOpId, magicDictId )
import GHC.Core
@@ -61,6 +63,7 @@ import GHC.Data.FastString
import GHC.Types.Basic
import GHC.Platform
import GHC.Utils.Misc
+import GHC.Utils.Panic
import GHC.Core.Coercion (mkUnbranchedAxInstCo,mkSymCo,Role(..))
import Control.Applicative ( Alternative(..) )