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-rw-r--r--compiler/GHC/Tc/TyCl/Utils.hs2
-rw-r--r--compiler/GHC/Tc/Utils/TcMType.hs2
2 files changed, 2 insertions, 2 deletions
diff --git a/compiler/GHC/Tc/TyCl/Utils.hs b/compiler/GHC/Tc/TyCl/Utils.hs
index 7c56b12324..efaf909ef8 100644
--- a/compiler/GHC/Tc/TyCl/Utils.hs
+++ b/compiler/GHC/Tc/TyCl/Utils.hs
@@ -153,7 +153,7 @@ synonymTyConsOfType ty
go_prov (PhantomProv co) = go_co co
go_prov (ProofIrrelProv co) = go_co co
go_prov (PluginProv _) = emptyNameEnv
- go_prov CorePrepProv = emptyNameEnv
+ go_prov (CorePrepProv _) = emptyNameEnv
go_tc tc | isTypeSynonymTyCon tc = unitNameEnv (tyConName tc) tc
| otherwise = emptyNameEnv
diff --git a/compiler/GHC/Tc/Utils/TcMType.hs b/compiler/GHC/Tc/Utils/TcMType.hs
index 3819feb223..8070b4d513 100644
--- a/compiler/GHC/Tc/Utils/TcMType.hs
+++ b/compiler/GHC/Tc/Utils/TcMType.hs
@@ -1534,7 +1534,7 @@ collect_cand_qtvs_co orig_ty bound = go_co
go_prov dv (PhantomProv co) = go_co dv co
go_prov dv (ProofIrrelProv co) = go_co dv co
go_prov dv (PluginProv _) = return dv
- go_prov dv CorePrepProv = return dv
+ go_prov dv (CorePrepProv _) = return dv
go_cv :: CandidatesQTvs -> CoVar -> TcM CandidatesQTvs
go_cv dv@(DV { dv_cvs = cvs }) cv