X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Ftypecheck%2FTcPat.lhs;h=022796ee9ea5d3f4832a60fba0491cf1a46bcdb7;hb=8163c990823b37ce987429e1f6825358d69171b4;hp=376385aaa69025f35af9ebc9efa0ccf5c8227bdc;hpb=9d0c8f842e35dde3d570580cf62a32779f66a6de;p=ghc-hetmet.git

diff --git a/compiler/typecheck/TcPat.lhs b/compiler/typecheck/TcPat.lhs
index 376385a..022796e 100644
--- a/compiler/typecheck/TcPat.lhs
+++ b/compiler/typecheck/TcPat.lhs
@@ -30,21 +30,19 @@ import VarSet
 import TcUnify
 import TcHsType
 import TysWiredIn
-import Type
 import Coercion
 import StaticFlags
 import TyCon
 import DataCon
 import PrelNames
 import BasicTypes hiding (SuccessFlag(..))
-import DynFlags	( DynFlag( Opt_GADTs ) )
+import DynFlags
 import SrcLoc
 import ErrUtils
 import Util
-import Maybes
 import Outputable
 import FastString
-import Monad
+import Control.Monad
 \end{code}
 
 
@@ -435,7 +433,11 @@ tc_pat pstate (SigPatIn pat sig_ty) pat_ty thing_inside
             failWithTc (badSigPat pat_ty)
 	; (pat', tvs, res) <- tcExtendTyVarEnv2 tv_binds $
 			      tc_lpat pat inner_ty pstate thing_inside
-	; return (SigPatOut pat' inner_ty, tvs, res) }
+        ; return (SigPatOut pat' inner_ty, tvs, res) }
+
+-- Use this when we add pattern coercions back in
+--	  return (mkCoPatCoI (mkSymCoI coi) (SigPatOut pat' inner_ty) pat_ty
+--                 , tvs, res) }
 
 tc_pat _ pat@(TypePat _) _ _
   = failWithTc (badTypePat pat)
@@ -630,7 +632,7 @@ tcConPat pstate con_span data_con tycon pat_ty arg_pats thing_inside
                                                    unwrap_ty res_pat
 
 	  -- Add the stupid theta
-	; addDataConStupidTheta data_con ctxt_res_tys
+	; setSrcSpan con_span $ addDataConStupidTheta data_con ctxt_res_tys
 
 	; ex_tvs' <- tcInstSkolTyVars skol_info ex_tvs	
                      -- Get location from monad, not from ex_tvs