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-rw-r--r--compiler/GHC/Tc/Validity.hs1
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/GHC/Tc/Validity.hs b/compiler/GHC/Tc/Validity.hs
index 080132c080..b7a9876144 100644
--- a/compiler/GHC/Tc/Validity.hs
+++ b/compiler/GHC/Tc/Validity.hs
@@ -66,6 +66,7 @@ import GHC.Utils.Misc
import GHC.Data.List.SetOps
import GHC.Types.SrcLoc
import GHC.Utils.Outputable as Outputable
+import GHC.Utils.Panic
import GHC.Types.Unique ( mkAlphaTyVarUnique )
import GHC.Data.Bag ( emptyBag )
import qualified GHC.LanguageExtensions as LangExt