Minor refactoring

[ghc-hetmet.git] / compiler / deSugar / DsGRHSs.lhs

diff --git a/compiler/deSugar/DsGRHSs.lhs b/compiler/deSugar/DsGRHSs.lhs
index 683dd21..24086a2 100644 (file)
--- a/compiler/deSugar/DsGRHSs.lhs
+++ b/compiler/deSugar/DsGRHSs.lhs
@@ -15,8 +15,6 @@ Matching guarded right-hand-sides (GRHSs)
 
 module DsGRHSs ( dsGuarded, dsGRHSs ) where
 
--- XXX This define is a bit of a hack, and should be done more nicely
-#define FAST_STRING_NOT_NEEDED 1
 #include "HsVersions.h"
 
 import {-# SOURCE #-} DsExpr  ( dsLExpr, dsLocalBinds )
@@ -34,7 +32,7 @@ import TysWiredIn
 import PrelNames
 import Name
 import SrcLoc
-
+import Outputable
 \end{code}
 
 @dsGuarded@ is used for both @case@ expressions and pattern bindings.
@@ -53,7 +51,7 @@ dsGuarded :: GRHSs Id -> Type -> DsM CoreExpr
 
 dsGuarded grhss rhs_ty = do
     match_result <- dsGRHSs PatBindRhs [] grhss rhs_ty
-    error_expr <- mkErrorAppDs nON_EXHAUSTIVE_GUARDS_ERROR_ID rhs_ty ""
+    error_expr <- mkErrorAppDs nON_EXHAUSTIVE_GUARDS_ERROR_ID rhs_ty empty
     extractMatchResult match_result error_expr
 \end{code}