X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Ftypecheck%2FInst.lhs;h=a45422adb357052b5b565b402e9bd0623fa8480a;hb=f04dead93a15af1cb818172f207b8a81d2c81298;hp=51bacbabdb0cc6e2b6bd13b765bcb8b93dd3cb8a;hpb=90ce88a0a9b5611416e592a6ff96781ba884975f;p=ghc-hetmet.git

diff --git a/compiler/typecheck/Inst.lhs b/compiler/typecheck/Inst.lhs
index 51bacba..a45422a 100644
--- a/compiler/typecheck/Inst.lhs
+++ b/compiler/typecheck/Inst.lhs
@@ -867,7 +867,7 @@ lookupSimpleInst (Dict {tci_pred = pred, tci_loc = loc})
 
     { use_stage <- getStage
     ; checkWellStaged (ptext (sLit "instance for") <+> quotes (ppr pred))
-    		      (topIdLvl dfun_id) use_stage
+    		      (topIdLvl dfun_id) (thLevel use_stage)
 
  	-- It's possible that not all the tyvars are in
 	-- the substitution, tenv. For example:
@@ -1173,7 +1173,7 @@ mkEqInst (EqPred ty1 ty2) co
 	     ; return inst
 	     }
 	where 
-          mkName uniq src_span = mkInternalName uniq (mkVarOcc "co") src_span
+          mkName uniq src_span = mkInternalName uniq (mkVarOcc "co_ei") src_span
 mkEqInst pred _ = pprPanic "mkEqInst" (ppr pred)
 
 mkWantedEqInst :: PredType -> TcM Inst