Add Outputable.blankLine and use it

[ghc-hetmet.git] / compiler / stgSyn / StgLint.lhs

diff --git a/compiler/stgSyn/StgLint.lhs b/compiler/stgSyn/StgLint.lhs
index 9e57f9f..cb08c40 100644 (file)
--- a/compiler/stgSyn/StgLint.lhs
+++ b/compiler/stgSyn/StgLint.lhs
@@ -20,7 +20,7 @@ import Name             ( getSrcLoc )
 import ErrUtils         ( Message, mkLocMessage )
 import TypeRep
 import Type             ( mkFunTys, splitFunTys, splitTyConApp_maybe,
-                          isUnLiftedType, isTyVarTy, dropForAlls, Type
+                          isUnLiftedType, isTyVarTy, dropForAlls
                         )
 import TyCon            ( isAlgTyCon, isNewTyCon, tyConDataCons )
 import Util             ( zipEqual, equalLength )
@@ -191,7 +191,7 @@ lintStgExpr (StgLetNoEscape _ _ binds body) = do
 lintStgExpr (StgSCC _ expr) = lintStgExpr expr
 
 lintStgExpr e@(StgCase scrut _ _ bndr _ alts_type alts) = runMaybeT $ do
-    MaybeT $ lintStgExpr scrut
+    _ <- MaybeT $ lintStgExpr scrut
 
     MaybeT $ liftM Just $
      case alts_type of
@@ -316,7 +316,7 @@ initL (LintM m)
     if isEmptyBag errs then
         Nothing
     else
-        Just (vcat (punctuate (text "") (bagToList errs)))
+        Just (vcat (punctuate blankLine (bagToList errs)))
     }
 
 instance Monad LintM where