X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2FbasicTypes%2FSrcLoc.lhs;h=d2cbd7f07c2cb987ec17ae17d52d65e6def6c65e;hb=e5d8b4d0c6dd20a51597517208cbd4b0cc50c7de;hp=5dcdabe605930c98c30558dff593cd191e932b1f;hpb=2d72a852f400ddfc756d6557b80c8f9e8e83de56;p=ghc-hetmet.git

diff --git a/compiler/basicTypes/SrcLoc.lhs b/compiler/basicTypes/SrcLoc.lhs
index 5dcdabe..d2cbd7f 100644
--- a/compiler/basicTypes/SrcLoc.lhs
+++ b/compiler/basicTypes/SrcLoc.lhs
@@ -185,8 +185,6 @@ instance Outputable SrcLoc where
 
     ppr (UnhelpfulLoc s)  = ftext s
 
-INSTANCE_TYPEABLE0(SrcSpan,srcSpanTc,"SrcSpan")
-
 instance Data SrcSpan where
   -- don't traverse?
   toConstr _   = abstractConstr "SrcSpan"
@@ -237,10 +235,10 @@ data SrcSpan
 				-- also used to indicate an empty span
 
 #ifdef DEBUG
-  deriving (Eq, Show)	-- Show is used by Lexer.x, becuase we
-			-- derive Show for Token
+  deriving (Eq, Typeable, Show) -- Show is used by Lexer.x, becuase we
+                                -- derive Show for Token
 #else
-  deriving Eq
+  deriving (Eq, Typeable)
 #endif
 
 -- | Built-in "bad" 'SrcSpan's for common sources of location uncertainty