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-rw-r--r--compiler/GHC/HsToCore/Coverage.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/GHC/HsToCore/Coverage.hs b/compiler/GHC/HsToCore/Coverage.hs
index cdc68599ba..db0d72bc9d 100644
--- a/compiler/GHC/HsToCore/Coverage.hs
+++ b/compiler/GHC/HsToCore/Coverage.hs
@@ -511,7 +511,7 @@ addBinTickLHsExpr boxLabel (L pos e0)
addTickHsExpr :: HsExpr GhcTc -> TM (HsExpr GhcTc)
addTickHsExpr e@(HsVar _ (L _ id)) = do freeVar id; return e
-addTickHsExpr e@(HsUnboundVar id _) = do freeVar id; return e
+addTickHsExpr e@(HsUnboundVar {}) = return e
addTickHsExpr e@(HsRecFld _ (Ambiguous id _)) = do freeVar id; return e
addTickHsExpr e@(HsRecFld _ (Unambiguous id _)) = do freeVar id; return e
addTickHsExpr e@(HsConLikeOut _ con)