I've found an odd bug.  I think this is Tomas' territory, but I could be
wrong.  I've already opened an issue on codeplex (
http://ironruby.codeplex.com/workitem/4957), but I figured I'd mention it
here to generate some discussion.

First, here's a quick repro of the bug:

class File2 < File
  def initialize
    super("foobar.txt")
  end
end

File2.new
# TypeError: can't convert String into Fixnum


What's going on here?  Well, it looks like IronRuby has arbitrarily picked a
constructor overload to use when it finds a call to super.  If I instead put
"super(1)", it would work just fine.  This same problem seems to plague any
RubyClass that was implemented in C# using the IronRuby library APIs.

Could someone give me a sanity check, please?  You'll notice that the code
snippet above works just fine on MRI, so I don't think I've lost my marbles
just yet :).

-Charles
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