From 995e2f4ee4673034f46ed46c0be48ff281b30dea Mon Sep 17 00:00:00 2001
From: simonmar <unknown>
Date: Tue, 12 Jul 2005 13:01:44 +0000
Subject: [PATCH] [project @ 2005-07-12 13:01:44 by simonmar] handle
 PrimTyCons in pprTyConHdr (fixes :i GHC.Base.Int# in GHCi)

---
 ghc/compiler/main/PprTyThing.hs |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/ghc/compiler/main/PprTyThing.hs b/ghc/compiler/main/PprTyThing.hs
index 09b7af6..ecf6947 100644
--- a/ghc/compiler/main/PprTyThing.hs
+++ b/ghc/compiler/main/PprTyThing.hs
@@ -67,8 +67,9 @@ pprTyThingHdr exts (AClass cls)       = pprClassHdr   exts cls
 pprTyConHdr exts tyCon =
   ptext keyword <+> ppr_bndr tyCon <+> hsep (map ppr vars)
   where
-    vars = GHC.tyConTyVars tyCon
-    
+    vars | GHC.isPrimTyCon tyCon = take (GHC.tyConArity tyCon) GHC.alphaTyVars
+	 | otherwise = GHC.tyConTyVars tyCon
+
     keyword | GHC.isSynTyCon tyCon = SLIT("type")
             | GHC.isNewTyCon tyCon = SLIT("newtype")
             | otherwise            = SLIT("data")
-- 
1.7.10.4