hg: jdk9/sandbox/hotspot: Merge

[michael.x.mcmahon at oracle.com]

Changeset: c86892c73863
Author:    michaelm
Date:      2015-09-01 15:56 +0100
URL:       http://hg.openjdk.java.net/jdk9/sandbox/hotspot/rev/c86892c73863

Merge

- src/share/vm/gc/g1/g1CollectorPolicy_ext.hpp