Add newest succeeding JVM and upstream bug report

Can be good to add succeeding JVM to offer other alternative to `-XX:-LoopUnswitching` JVM Arg.

Moreover you can also add the upstream problem:

http://bugs.java.com/view_bug.do?bug_id=8021898
http://bugs.java.com/view_bug.do?bug_id=8025398
Merge pull request #2 from kakawait/patch-2

Add newest succeeding JVM and upstream bug report