hg: jdk/sandbox: 8237521: Memory Access API fixes for 32-bit

[chris.hegarty at oracle.com]

Changeset: 41f1e738b639
Author:    ngasson
Date:      2020-01-24 17:41 +0800
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/41f1e738b639

8237521: Memory Access API fixes for 32-bit
Reviewed-by: mcimadamore, dholmes

! src/hotspot/share/prims/unsafe.cpp
! src/java.base/share/classes/jdk/internal/misc/Unsafe.java
! src/jdk.incubator.foreign/share/classes/jdk/internal/foreign/Utils.java
! test/hotspot/jtreg/runtime/Unsafe/AllocateMemory.java
! test/jdk/java/foreign/TestArrays.java
! test/jdk/java/foreign/TestByteBuffer.java
! test/jdk/java/foreign/TestMemoryAlignment.java