class Gem::Specification

def self.reset
  @@dirs = nil
  Gem.pre_reset_hooks.each { |hook| hook.call }
  @@all = nil
  @@stubs = nil
  @@stubs_by_name = {}
  @@spec_with_requirable_file          = {}
  @@active_stub_with_requirable_file   = {}
  _clear_load_cache
  unresolved = unresolved_deps
  unless unresolved.empty? then
    w = "W" + "ARN"
    warn "#{w}: Unresolved specs during Gem::Specification.reset:"
    unresolved.values.each do |dep|
      warn "      #{dep}"
    end
    warn "#{w}: Clearing out unresolved specs."
    warn "Please report a bug if this causes problems."
    unresolved.clear
  end
  Gem.post_reset_hooks.each { |hook| hook.call }
end