hg: jdk9/sandbox/hotspot: Merge

[aleksey.shipilev at oracle.com]

Changeset: 19111fea29bd
Author:    shade
Date:      2015-10-08 18:58 +0300
URL:       http://hg.openjdk.java.net/jdk9/sandbox/hotspot/rev/19111fea29bd

Merge

- test/gc/logging/TestPrintReferences.java
- test/gc/startup_warnings/TestDefaultMaxRAMFraction.java
- test/gc/startup_warnings/TestNoParNew.java