Rspec-core: around(:suite) hooks seem completely broken

If you put an around(:suite) hook in your spec_helper.rb file, you seem to always get this warning:

WARNING: `around(:suite)` hooks are only supported on the RSpec configuration object.
This `around(:suite)` hook, registered on an example group, will be ignored.

And then it blissfully ignores your hook, even if it has actually been defined on the RSpec configuration object. Neither of the following syntaxes seem to work:

RSpec.configuration.around(:suite) do |example|

RSpec.configure do |config|
  config.around(:suite) do |example|

To duplicate the issue, just check out this little two-file repository and run rspec in the root:

https://github.com/fimmtiu/rspec-around-suite-bug

~/rspec-around-suite-bug$ rspec
WARNING: `around(:suite)` hooks are only supported on the RSpec configuration object.
This `around(:suite)` hook, registered on an example group, will be ignored. Called
from /.../rspec-around-suite-bug/spec/spec_helper.rb:1:in `<top (required)>'.
WARNING: `around(:suite)` hooks are only supported on the RSpec configuration object.
This `around(:suite)` hook, registered on an example group, will be ignored. Called
from /.../rspec-around-suite-bug/spec/spec_helper.rb:7:in `block in <top (required)>'.
.

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