RFR: jsr166 jdk integration 2017-12-08
http://cr.openjdk.java.net/~martin/webrevs/jdk/jsr166-integration/overview.html

8193174: SubmissionPublisher invokes the Subscriber's onComplete before all of its submitted items have been published
http://cr.openjdk.java.net/~martin/webrevs/jdk/jsr166-integration/SubmissionPublisher-race/index.html
https://bugs.openjdk.java.net/browse/JDK-8193174

8192943: Optimize atomic accumulators using VarHandle getAndSet
http://cr.openjdk.java.net/~martin/webrevs/jdk/jsr166-integration/getAndSet/index.html
https://bugs.openjdk.java.net/browse/JDK-8192943

8192944: Miscellaneous changes imported from jsr166 CVS 2017-12-08
http://cr.openjdk.java.net/~martin/webrevs/jdk/jsr166-integration/miscellaneous/index.html
https://bugs.openjdk.java.net/browse/JDK-8192944