Weird error about UnionType when viewing methods

[davidssmith]

I'm posting this here, because I think it is a Julia error, not a Gadfly error. It is not a big problem, since I don't need to list the methods of Gadfly.plot, but I thought I would mention it in case it is indicative of something more important.

julia> using Gadfly

julia> methods(plot)
#6 methods for generic function "plot":
plotError showing value of type MethodTable:
ERROR: type UnionType has no field body
 in show at show.jl:80 (repeats 2 times)
 in show_delim_array at show.jl:178
 in show at show.jl:197
 in print at string.jl:3
 in print at string.jl:4
 in show at show.jl:76
 in print at string.jl:3
 in print at string.jl:4
 in show at show.jl:84
 in print_to_string at /Applications/Julia-0.3.0.app/Contents/Resources/julia/lib/julia/sys.dylib
 in argtype_decl at methodshow.jl:18
 in arg_decl_parts at methodshow.jl:30
 in show at methodshow.jl:36
 in show_method_table at methodshow.jl:61
 in show at methodshow.jl:74
 in anonymous at show.jl:1122
 in with_output_limit at /Applications/Julia-0.3.0.app/Contents/Resources/julia/lib/julia/sys.dylib
 in showlimited at show.jl:1121
 in writemime at replutil.jl:2
 in display at REPL.jl:118
 in display at REPL.jl:121
 in display at multimedia.jl:149
 in print_response at REPL.jl:140
 in print_response at REPL.jl:125
 in anonymous at REPL.jl:584
 in run_interface at /Applications/Julia-0.3.0.app/Contents/Resources/julia/lib/julia/sys.dylib (repeats 2 times)
 in run_frontend at /Applications/Julia-0.3.0.app/Contents/Resources/julia/lib/julia/sys.dylib
 in run_repl at /Applications/Julia-0.3.0.app/Contents/Resources/julia/lib/julia/sys.dylib
 in _start at /Applications/Julia-0.3.0.app/Contents/Resources/julia/lib/julia/sys.dylib (repeats 2 times)

julia> versioninfo()
Julia Version 0.3.0
Commit 7681878* (2014-08-20 20:43 UTC)
Platform Info:
  System: Darwin (x86_64-apple-darwin13.3.0)
  CPU: Intel(R) Core(TM) i7-4870HQ CPU @ 2.50GHz
  WORD_SIZE: 64
  BLAS: libopenblas (USE64BITINT DYNAMIC_ARCH NO_AFFINITY Haswell)
  LAPACK: libopenblas
  LIBM: libopenlibm
  LLVM: libLLVM-3.3

[simonster]

Presumably a dup of #8163

[davidssmith]

Interesting. Appears to be.