hg: shenandoah/jdk8u/hotspot: 2 new changesets

[roman at kennke.org]

Changeset: 49b935f6a128
Author:    rkennke
Date:      2015-11-06 17:56 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk8u/hotspot/rev/49b935f6a128

Scan and update roots in one pass in mark-compact.

! src/share/vm/gc_implementation/shenandoah/shenandoahMarkCompact.cpp

Changeset: 916d21c224dd
Author:    rkennke
Date:      2015-11-06 17:59 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk8u/hotspot/rev/916d21c224dd

Disable concurrent class unloading by default on Shenandoah.

! src/share/vm/runtime/arguments.cpp