Ruby 1.8.7

Feature changes that affect only 1.8.7 behavior (which is not supported by JRuby).

• JRUBY-4130 2009-10-21T00-03 2011-07-08T06-05 CLONE -Threads created for Fibers/Generators/Enumerator.next must die due to GC and raise a nice error when threads are unavailable
• JRUBY-6014 2011-08-21T22-36 2011-12-15T11-21 "RuntimeError: Java wrapper with no contents" when accessing self inside initialize method of a Ruby class inheriting from a Java class
• JRUBY-6225 2011-11-18T11-26 2013-03-25T12-51 IO.popen does not seem to work in jruby

• JRUBY-7151 2013-04-22T14-24 Yesterday 3:37 AM Array#drop fails for arrays containing floats in 1.8 mode
• JRUBY-6225 2011-11-18T11-26 25/Mar/13 IO.popen does not seem to work in jruby
• JRUBY-6681 2012-05-22T13-04 09/Mar/13 Thread.kill / Thread.raise do not ever stop threads that spawn sub processes

• win32ole 0.8.4  
• JRuby 1.x+  
• JRuby 2  
• JRuby 1.7.5  
• JRuby-OSSL 0.8.3