Add flags for record extensions; still not working properly though

compiler/main/DynFlags.hs

@@ -178,7 +178,7 @@ data DynFlag
    | Opt_TypeFamilies
    | Opt_OverloadedStrings
    | Opt_DisambiguateRecordFields
-   | Opt_RecordDotDot
+   | Opt_RecordWildCards
    | Opt_RecordPuns
    | Opt_GADTs
    | Opt_RelaxedPolyRec			-- -X=RelaxedPolyRec
@@ -1100,6 +1100,10 @@ xFlags = [
 
   ( "ImplicitPrelude",  		Opt_ImplicitPrelude ),	-- On by default
 
+  ( "RecordWildCards",			Opt_RecordWildCards ),
+  ( "RecordPuns",			Opt_RecordPuns ),
+  ( "DisambiguateRecordFields",		Opt_DisambiguateRecordFields ),
+
   ( "OverloadedStrings",		Opt_OverloadedStrings ),
   ( "GADTs",		  		Opt_GADTs ),
   ( "TypeFamilies",	  		Opt_TypeFamilies ),

compiler/rename/RnTypes.lhs

@@ -689,7 +689,7 @@ rnHsRecFields str mb_con rn_thing mk_rhs (HsRecFields fields dd)
 	; case dd of
 	    Nothing -> return (HsRecFields fields1 dd, fvs1)
 	    Just n  -> ASSERT( n == length fields ) do
-	{ dd_flag <- doptM Opt_RecordDotDot
+	{ dd_flag <- doptM Opt_RecordWildCards
 	; checkErr dd_flag (needFlagDotDot str)
 
 	; let fld_names1 = map (unLoc . hsRecFieldId) fields1