[project @ 2002-05-27 15:28:07 by simonpj]

[ghc-hetmet.git] / ghc / compiler / rename / RnHsSyn.lhs

diff --git a/ghc/compiler/rename/RnHsSyn.lhs b/ghc/compiler/rename/RnHsSyn.lhs
index 2759f54..a65430a 100644 (file)
--- a/ghc/compiler/rename/RnHsSyn.lhs
+++ b/ghc/compiler/rename/RnHsSyn.lhs
@@ -82,7 +82,8 @@ extractHsTyNames ty
     get (HsFunTy ty1 ty2)      = get ty1 `unionNameSets` get ty2
     get (HsPredTy p)          = extractHsPredTyNames p
     get (HsOpTy ty1 tycon ty2) = get ty1 `unionNameSets` get ty2 `unionNameSets`
-                                unitNameSet tycon
+                                case tycon of { HsTyOp n -> unitNameSet n ; 
+                                                HsArrow  -> emptyNameSet }
     get (HsNumTy n)            = emptyNameSet
     get (HsTyVar tv)          = unitNameSet tv
     get (HsKindSig ty k)       = get ty