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-rw-r--r--compiler/GHC/HsToCore/Utils.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/GHC/HsToCore/Utils.hs b/compiler/GHC/HsToCore/Utils.hs
index 05992ce499..7564a3cd1c 100644
--- a/compiler/GHC/HsToCore/Utils.hs
+++ b/compiler/GHC/HsToCore/Utils.hs
@@ -821,7 +821,7 @@ is_triv_pat _ = False
mkLHsPatTup :: [LPat GhcTc] -> LPat GhcTc
mkLHsPatTup [] = noLocA $ mkVanillaTuplePat [] Boxed
mkLHsPatTup [lpat] = lpat
-mkLHsPatTup lpats = L (getLoc (head lpats)) $
+mkLHsPatTup lpats@(L l _:_) = L l $
mkVanillaTuplePat lpats Boxed
mkVanillaTuplePat :: [LPat GhcTc] -> Boxity -> Pat GhcTc