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-rw-r--r--compiler/GHC/Core/Coercion.hs1
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/GHC/Core/Coercion.hs b/compiler/GHC/Core/Coercion.hs
index 647084baff..449f5154fc 100644
--- a/compiler/GHC/Core/Coercion.hs
+++ b/compiler/GHC/Core/Coercion.hs
@@ -134,6 +134,7 @@ import GHC.Core.TyCo.Subst
import GHC.Core.TyCo.Tidy
import GHC.Core.Type
import GHC.Core.TyCon
+import GHC.Core.TyCon.RecWalk
import GHC.Core.Coercion.Axiom
import {-# SOURCE #-} GHC.Core.Utils ( mkFunctionType )
import GHC.Types.Var