RFR: 8156159: replace CompilerToVM.readUncompressedOop with Unsafe.getUncompressedObject

[Vladimir Kozlov]

Please, send webrev on cr. server.

Thanks,
Vladimir

On 5/9/16 12:00 PM, Christian Thalinger wrote:
> https://bugs.openjdk.java.net/browse/JDK-8156159
>
> JDK-8022853 added the required methods to Unsafe.  It's time to switch over.
>