hg: jdk9/hs/hotspot: 2 new changesets

[serguei.spitsyn at oracle.com]

Changeset: 4445353efa00
Author:    sspitsyn
Date:      2016-12-18 19:21 -0800
URL:       http://hg.openjdk.java.net/jdk9/hs/hotspot/rev/4445353efa00

8139566: need proper sync for adding default read edges
Summary: use has_default_read_edges() in the ModuleEntry::can_read to fix race issue
Reviewed-by: hseigel, lfoltan

! src/share/vm/classfile/moduleEntry.cpp

Changeset: 3e47c23e9093
Author:    sspitsyn
Date:      2016-12-19 04:04 +0000
URL:       http://hg.openjdk.java.net/jdk9/hs/hotspot/rev/3e47c23e9093

Merge