hg: panama/dev: 8234073: Add support for deterministic shared segments

[maurizio.cimadamore at oracle.com]

Changeset: e58b497f7cf8
Author:    mcimadamore
Date:      2019-11-18 11:53 +0000
URL:       https://hg.openjdk.java.net/panama/dev/rev/e58b497f7cf8

8234073: Add support for deterministic shared segments
Reviewed-by: jvernee

! src/java.base/share/classes/java/lang/invoke/X-VarHandleMemoryAddressView.java.template
! src/java.base/share/classes/module-info.java
! src/jdk.incubator.foreign/share/classes/jdk/incubator/foreign/AbstractLayout.java
! src/jdk.incubator.foreign/share/classes/jdk/incubator/foreign/MemorySegment.java
! src/jdk.incubator.foreign/share/classes/jdk/incubator/foreign/package-info.java
! src/jdk.incubator.foreign/share/classes/jdk/internal/foreign/MemoryScope.java
! src/jdk.incubator.foreign/share/classes/jdk/internal/foreign/MemorySegmentImpl.java
! src/jdk.incubator.foreign/share/classes/jdk/internal/foreign/Utils.java
! test/jdk/java/foreign/TestSegments.java
! test/jdk/java/foreign/TestSharedAccess.java