Fix origin for addDataConStupidTheta

[ghc-hetmet.git] / compiler / typecheck / TcExpr.lhs

diff --git a/compiler/typecheck/TcExpr.lhs b/compiler/typecheck/TcExpr.lhs
index 6354499..4eb7b10 100644 (file)
--- a/compiler/typecheck/TcExpr.lhs
+++ b/compiler/typecheck/TcExpr.lhs
@@ -775,7 +775,7 @@ instFun orig fun subst tv_theta_prs
   = do         { let ty_theta_prs' = map subst_pr tv_theta_prs
 
                 -- Make two ad-hoc checks 
-       ; doStupidChecks orig fun ty_theta_prs'
+       ; doStupidChecks fun ty_theta_prs'
 
                -- Now do normal instantiation
        ; go True fun ty_theta_prs' }
@@ -891,8 +891,7 @@ Here's are two cases that should fail
 
 
 \begin{code}
-doStupidChecks :: InstOrigin
-              -> HsExpr TcId
+doStupidChecks :: HsExpr TcId
               -> [([TcType], ThetaType)]
               -> TcM ()
 -- Check two tiresome and ad-hoc cases
@@ -900,9 +899,9 @@ doStupidChecks :: InstOrigin
 --     from the "stupid theta" of a data constructor (sigh)
 -- (b) deal with the tagToEnum# problem: see Note [tagToEnum#]
 
-doStupidChecks orig (HsVar fun_id) ((tys,_):_)
+doStupidChecks (HsVar fun_id) ((tys,_):_)
   | Just con <- isDataConId_maybe fun_id   -- (a)
-  = addDataConStupidTheta orig con tys
+  = addDataConStupidTheta con tys
 
   | fun_id `hasKey` tagToEnumKey           -- (b)
   = do { tys' <- zonkTcTypes tys
@@ -914,7 +913,7 @@ doStupidChecks orig (HsVar fun_id) ((tys,_):_)
                        Just (tc,_) -> isEnumerationTyCon tc
                        Nothing     -> False
 
-doStupidChecks orig fun tv_theta_prs
+doStupidChecks fun tv_theta_prs
   = return () -- The common case