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-rw-r--r--compiler/GHC/Tc/TyCl/Instance.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/GHC/Tc/TyCl/Instance.hs b/compiler/GHC/Tc/TyCl/Instance.hs
index 160d8ceae9..c99beb861e 100644
--- a/compiler/GHC/Tc/TyCl/Instance.hs
+++ b/compiler/GHC/Tc/TyCl/Instance.hs
@@ -2346,7 +2346,7 @@ tcSpecInstPrags dfun_id (InstBindings { ib_binds = binds, ib_pragmas = uprags })
------------------------------
tcSpecInst :: Id -> Sig GhcRn -> TcM TcSpecPrag
-tcSpecInst dfun_id prag@(SpecInstSig _ _ hs_ty)
+tcSpecInst dfun_id prag@(SpecInstSig _ hs_ty)
= addErrCtxt (spec_ctxt prag) $
do { spec_dfun_ty <- tcHsClsInstType SpecInstCtxt hs_ty
; co_fn <- tcSpecWrapper SpecInstCtxt (idType dfun_id) spec_dfun_ty