Handle introduction of MkCore in MatchCon

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

diff --git a/compiler/deSugar/MatchCon.lhs b/compiler/deSugar/MatchCon.lhs
index 3baa966..801944a 100644 (file)
--- a/compiler/deSugar/MatchCon.lhs
+++ b/compiler/deSugar/MatchCon.lhs
@@ -15,8 +15,6 @@ Pattern-matching constructors
 
 module MatchCon ( matchConFamily ) 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 #-} Match    ( match )
@@ -27,6 +25,7 @@ import DataCon
 import TcType
 import Type
 import CoreSyn
+import MkCore
 import DsMonad
 import DsUtils
 import Util    ( takeList )
@@ -126,7 +125,7 @@ matchOneCon vars ty (eqn1 : eqns)   -- All eqns for a single constructor
        = do { prs <- dsLHsBinds bind
             ; return (wrapBinds (tvs `zip` tvs1) 
                       . wrapBinds (ds  `zip` dicts1)
-                      . mkDsLet (Rec prs),
+                      . mkCoreLet (Rec prs),
                       eqn { eqn_pats = conArgPats con1 arg_tys args ++ pats }) }
 
 conArgPats :: DataCon