Comments and -ddump-tc-trace wibbles only

diff --git a/compiler/typecheck/TcExpr.lhs b/compiler/typecheck/TcExpr.lhs
index 47e4c6f..d5d6b6b 100644 (file)
--- a/compiler/typecheck/TcExpr.lhs
+++ b/compiler/typecheck/TcExpr.lhs
@@ -850,12 +850,12 @@ tcId :: InstOrigin
      -> BoxyRhoType                            -- Result type
      -> TcM (HsExpr TcId)
 tcId orig fun_name res_ty
-  = do { traceTc (text "tcId" <+> ppr fun_name <+> ppr res_ty)
-       ; (fun, fun_ty) <- lookupFun orig fun_name
-
+  = do { (fun, fun_ty) <- lookupFun orig fun_name
+        ; traceTc (text "tcId" <+> ppr fun_name <+> (ppr fun_ty $$ ppr res_ty))
+       
        -- Split up the function type
        ; let (tv_theta_prs, fun_tau) = tcMultiSplitSigmaTy fun_ty
-             qtvs = concatMap fst tv_theta_prs -- Quantified tyvars
+             qtvs = concatMap fst tv_theta_prs         -- Quantified tyvars
              tau_qtvs = exactTyVarsOfType fun_tau      -- Mentioned in the tau part
        ; qtv_tys <- preSubType qtvs tau_qtvs fun_tau res_ty
 
@@ -863,6 +863,8 @@ tcId orig fun_name res_ty
        ; let res_subst = zipTopTvSubst qtvs qtv_tys
              fun_tau'  = substTy res_subst fun_tau
 
+        ; traceTc (text "tcId2" <+> ppr fun_name <+> (ppr qtvs $$ ppr qtv_tys))
+
        ; co_fn <- tcSubExp orig fun_tau' res_ty
 
        -- And pack up the results