has_conflicts?

# File lib/rubygems/specification.rb, line 1710
  def has_conflicts?
    return true unless Gem.env_requirement(name).satisfied_by?(version)
    self.dependencies.any? { |dep|
      if dep.runtime? then
        spec = Gem.loaded_specs[dep.name]
        spec and not spec.satisfies_requirement? dep
      else
        false
      end
    }
  end