Bug in cvs head ghci

[wld]

HI,

Typing
   Prelude> :b GHC.Base

I get
[snip]
  data Addr#
  data Array# a
  data Bool = False | True
  data ByteArray#
  data Char#
  data Char = C# Char#
  data Double#
  data Float#*** Exception: No match in record selector TyCon.tyConTyVars
  Prelude>

ghc built on Linux with
- ghc 6.4.1
- gcc 4.0.2

--
V.Rudenko