[project @ 2001-07-13 13:29:56 by simonpj]

[ghc-hetmet.git] / ghc / compiler / typecheck / TcExpr.lhs

diff --git a/ghc/compiler/typecheck/TcExpr.lhs b/ghc/compiler/typecheck/TcExpr.lhs
index 810ea72..486976d 100644 (file)
--- a/ghc/compiler/typecheck/TcExpr.lhs
+++ b/ghc/compiler/typecheck/TcExpr.lhs
@@ -26,7 +26,7 @@ import Inst           ( InstOrigin(..),
 import TcBinds         ( tcBindsAndThen )
 import TcEnv           ( tcLookupClass, tcLookupGlobalId, tcLookupGlobal_maybe,
                          tcLookupTyCon, tcLookupDataCon, tcLookupId,
-                         tcExtendGlobalTyVars, tcLookupSyntaxName
+                         tcExtendGlobalTyVars
                        )
 import TcMatches       ( tcMatchesCase, tcMatchLambda, tcStmts )
 import TcMonoType      ( tcHsSigType, checkSigTyVars, sigCtxt )
@@ -195,9 +195,8 @@ tcMonoExpr (HsLit lit)     res_ty = tcLit lit res_ty
 tcMonoExpr (HsOverLit lit) res_ty = newOverloadedLit (LiteralOrigin lit) lit res_ty
 tcMonoExpr (HsPar expr)    res_ty = tcMonoExpr expr res_ty
 
-tcMonoExpr (NegApp expr) res_ty
-  = tcLookupSyntaxName negateName      `thenNF_Tc` \ neg ->
-    tcMonoExpr (HsApp (HsVar neg) expr) res_ty
+tcMonoExpr (NegApp expr neg_name) res_ty
+  = tcMonoExpr (HsApp (HsVar neg_name) expr) res_ty
 
 tcMonoExpr (HsLam match) res_ty
   = tcMatchLambda match res_ty                 `thenTc` \ (match',lie) ->