hg: jdk8u/jdk8u/hotspot: 2 new changesets

[rob.mckenna at oracle.com]

Changeset: 68df1db6880e
Author:    mdoerr
Date:      2017-01-03 11:22 +0100
URL:       http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/rev/68df1db6880e

8172145: C2: anti dependence missed because store hidden by membar
Reviewed-by: kvn

! src/share/vm/adlc/formssel.cpp

Changeset: b4bdf3484720
Author:    robm
Date:      2017-01-05 01:40 +0000
URL:       http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/rev/b4bdf3484720

Merge