RFA: 8072909: TimSort fails with ArrayIndexOutOfBoundsException on worst case long arrays

[Lev Priima]

Please approve and push: https://bugs.openjdk.java.net/browse/JDK-8072909
Review for 9: 
http://mail.openjdk.java.net/pipermail/core-libs-dev/2015-February/031437.html

JDK9 patch can be smoothly applied by:
jdk7u-dev/jdk$ (cd ~/code/jdk9/dev/jdk && hg pull -u &&  hg log --patch 
--git -r e276aa5b8a4b) | sh 
~/code/jdk9/dev/common/bin/unshuffle_patch.sh jdk - - | hg patch -

Lev