[Integrated] RFR: 8238192: Reimplement MemoryAddress memory access handles on top of var handle combinators

[Maurizio Cimadamore]

Changeset: 0113d7e6
Author:    Maurizio Cimadamore <mcimadamore at openjdk.org>
Date:      2020-02-13 17:04:21 +0000
URL:       https://git.openjdk.java.net/panama-foreign/commit/0113d7e6

8238192: Reimplement MemoryAddress memory access handles on top of var handle combinators

Reviewed-by: jvernee

! make/gensrc/GensrcVarHandles.gmk
! src/java.base/share/classes/java/lang/invoke/AddressVarHandleGenerator.java
! src/java.base/share/classes/java/lang/invoke/X-VarHandleMemoryAddressView.java.template
! src/jdk.incubator.foreign/share/classes/jdk/incubator/foreign/MemoryAddress.java
! src/jdk.incubator.foreign/share/classes/jdk/internal/foreign/Utils.java
! test/jdk/java/foreign/TestTypeAccess.java