[Integrated] [foreign-memaccess] RFR: Preserve memory scope for buffer segments

[Maurizio Cimadamore]

Changeset: fbd3a83d
Author:    Maurizio Cimadamore <mcimadamore at openjdk.org>
Date:      2020-04-16 16:45:40 +0000
URL:       https://git.openjdk.java.net/panama-foreign/commit/fbd3a83d

Preserve memory scope for buffer segments

Reviewed-by: jvernee

! src/jdk.incubator.foreign/share/classes/jdk/internal/foreign/AbstractMemorySegmentImpl.java
! test/jdk/java/foreign/TestByteBuffer.java
! test/jdk/java/foreign/TestSharedAccess.java