Needed for rdoc for ruby31 stable.
Sanity check failed: > dev-ruby/psych-5.1.0 > bdepend hppa stable profile default/linux/hppa/17.0 (2 total) > dev-ruby/stringio[ruby_targets_ruby30(-)] > rdepend hppa stable profile default/linux/hppa/17.0 (2 total) > dev-ruby/stringio[ruby_targets_ruby30(-)]
hppa done all arches done