hg: jdk9/hs/hotspot: 2 new changesets

[tobias.hartmann at oracle.com]

Changeset: 5f3b92e5dd7b
Author:    thartmann
Date:      2016-11-29 08:16 +0100
URL:       http://hg.openjdk.java.net/jdk9/hs/hotspot/rev/5f3b92e5dd7b

8168996: C2 crash at postaloc.cpp:140 : assert(false) failed: unexpected yanked node
Summary: Prevent MemBarAcquire from keeping a LoadNNode alive by adding it to the worklist if it is the only user of a DecodeNNode.
Reviewed-by: kvn

! src/share/vm/opto/node.cpp

Changeset: 3382fc1e807e
Author:    thartmann
Date:      2016-11-29 08:48 +0100
URL:       http://hg.openjdk.java.net/jdk9/hs/hotspot/rev/3382fc1e807e

Merge