hg: jdk9/hs-comp/jdk: 8149159: Clean up Unsafe

[mikael.vidstedt at oracle.com]

Changeset: 05a1166a8201
Author:    mikael
Date:      2016-03-03 09:12 -0800
URL:       http://hg.openjdk.java.net/jdk9/hs-comp/jdk/rev/05a1166a8201

8149159: Clean up Unsafe
Reviewed-by: jrose, kvn, stsmirno, chegar, aph, psandoz, redestad, twisti

! src/java.base/share/classes/jdk/internal/misc/Unsafe.java
! src/java.base/share/classes/sun/misc/Unsafe.java
+ test/jdk/internal/misc/Unsafe/CopyMemory.java
! test/jdk/internal/misc/Unsafe/CopySwap.java