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-rw-r--r--compiler/GHC/HsToCore/Monad.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/GHC/HsToCore/Monad.hs b/compiler/GHC/HsToCore/Monad.hs
index 9211b52fd7..28fd9f0870 100644
--- a/compiler/GHC/HsToCore/Monad.hs
+++ b/compiler/GHC/HsToCore/Monad.hs
@@ -317,7 +317,7 @@ initTcDsForSolver thing_inside
thing_inside
; case mb_ret of
Just ret -> pure ret
- Nothing -> pprPanic "initTcDsForSolver" (vcat $ pprMsgEnvelopeBagWithLoc (getErrorMessages msgs)) }
+ Nothing -> pprPanic "initTcDsForSolver" (vcat $ pprMsgEnvelopeBagWithLoc undefined (getErrorMessages msgs)) }
mkDsEnvs :: UnitEnv -> Module -> GlobalRdrEnv -> TypeEnv -> FamInstEnv
-> IORef (Messages DsMessage) -> IORef CostCentreState