X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2FbasicTypes%2FOccName.lhs;h=0d1cb37949b5fa47fa104783bc7cdabf3cb96c14;hb=30098da67fd3ce50ef5a110f57c1780002f83615;hp=1440525f681459503ca8f27150d948bc7f3aa580;hpb=0cb269be72ffe42498c74d5be845eb27d8818423;p=ghc-hetmet.git

diff --git a/compiler/basicTypes/OccName.lhs b/compiler/basicTypes/OccName.lhs
index 1440525..0d1cb37 100644
--- a/compiler/basicTypes/OccName.lhs
+++ b/compiler/basicTypes/OccName.lhs
@@ -442,8 +442,8 @@ mkDictOcc	    = mk_simple_deriv varName  "$d"
 mkIPOcc		    = mk_simple_deriv varName  "$i"
 mkSpecOcc	    = mk_simple_deriv varName  "$s"
 mkForeignExportOcc  = mk_simple_deriv varName  "$f"
-mkNewTyCoOcc        = mk_simple_deriv tcName  "Co"
-mkInstTyCoOcc       = mk_simple_deriv tcName  "Co"      -- derived from rep ty
+mkNewTyCoOcc        = mk_simple_deriv tcName  ":Co"
+mkInstTyCoOcc       = mk_simple_deriv tcName  ":Co"      -- derived from rep ty
 
 -- Generic derivable classes
 mkGenOcc1           = mk_simple_deriv varName  "$gfrom"
@@ -487,7 +487,7 @@ mkInstTyTcOcc :: Int			-- Index
 	      -> OccName		-- Family name (e.g. "Map")
 	      -> OccName		-- Nice unique version (":R23Map")
 mkInstTyTcOcc index occ
-   = mk_deriv varName (":R" ++ show index) (occNameString occ)
+   = mk_deriv tcName (":R" ++ show index) (occNameString occ)
 \end{code}
 
 \begin{code}