X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Ftypecheck%2FTcHsSyn.lhs;h=7b88356cf2e2e3469b09f44a2e5cf1dca0592123;hb=c7fa9243867d49177c9ebc7923588488dbd3a369;hp=ffd2893a5eee063d72902984cdad602b0ebe3b08;hpb=8b87f1916a010bf35163bae5925cb1e1fa37a94d;p=ghc-hetmet.git

diff --git a/compiler/typecheck/TcHsSyn.lhs b/compiler/typecheck/TcHsSyn.lhs
index ffd2893..7b88356 100644
--- a/compiler/typecheck/TcHsSyn.lhs
+++ b/compiler/typecheck/TcHsSyn.lhs
@@ -48,7 +48,6 @@ import VarEnv
 import Literal
 import BasicTypes
 import Maybes
-import Unique
 import SrcLoc
 import Util
 import Bag
@@ -1071,7 +1070,7 @@ mkArbitraryType warn tv
   , isLiftedTypeKind res			--    Horrible hack to make less use 
   = return (mkTyConApp tup_tc [])		--    of mkAnyPrimTyCon
   | otherwise
-  = do	{ warn (getSrcSpan tv) msg
+  = do	{ _ <- warn (getSrcSpan tv) msg
 	; return (mkTyConApp (mkAnyPrimTyCon (getUnique tv) kind) []) }
 		-- Same name as the tyvar, apart from making it start with a colon (sigh)
 		-- I dread to think what will happen if this gets out into an