Type inference crash with PatternDispatch.jl

gistfile1.txt

   _       _ _(_)_     |  A fresh approach to technical computing
  (_)     | (_) (_)    |  Documentation: http://docs.julialang.org
   _ _   _| |_  __ _   |  Type "help()" to list help topics
  | | | | | | |/ _` |  |
  | | |_| | | | (_| |  |  Version 0.0.0+105549818.rb65f
 _/ |\__'_|_|_|\__'_|  |  Commit b65f0478b4 (2012-12-26 20:02:44)
|__/                   |

julia> include("test_show_dispatch.jl")
type error: subtype: expected Type{T<:Top}, got (CompositeKind,{:i0, Int64, #undef, #undef, #undef  …  :vals, Array{Any,1}, :#s176, Int64})
 in typeseq at inference.jl:55
 in typeinf at inference.jl:990
 in typeinf_ext at inference.jl:967
 in anonymous at no file:32
 in include at boot.jl:248
at test_show_dispatch.jl:10