Gem::SpecificationRecord#add_spec

# File tmp/rubies/ruby-4.0.0/lib/rubygems/specification_record.rb, line 78
def add_spec(spec)
  return if all.include? spec

  all << spec
  stubs << spec
  (@stubs_by_name[spec.name] ||= []) << spec

  Gem::Specification._resort!(@stubs_by_name[spec.name])
  Gem::Specification._resort!(stubs)
end