All builtin classes which do not require 'require'. Built-in classes/modules.
- Lead: Thomas E Enebo
|JRUBY-4130||CLONE -Threads created for Fibers/Generators/Enumerator.next must die due to GC and raise a nice error when threads are unavailable|
|JRUBY-6610||JRuby 1.9 mode require does multiple requires and extra file system searching|
|JRUBY-3780||Race condition in Process#wait|