git: openjdk/jdk18: 8279527: Dereferencing segments backed by different scopes leads to pollution

[Maurizio Cimadamore]

Changeset: d65c6658
Author:    Maurizio Cimadamore <mcimadamore at openjdk.org>
Date:      2022-01-07 13:41:29 +0000
URL:       https://git.openjdk.java.net/jdk18/commit/d65c665839c0a564c422ef685f2673fac37315d7

8279527: Dereferencing segments backed by different scopes leads to pollution

Reviewed-by: psandoz, jvernee

! src/java.base/share/classes/java/nio/Buffer.java
! src/jdk.incubator.foreign/share/classes/jdk/internal/foreign/AbstractMemorySegmentImpl.java
! src/jdk.incubator.foreign/share/classes/jdk/internal/foreign/ConfinedScope.java
! src/jdk.incubator.foreign/share/classes/jdk/internal/foreign/NativeSymbolImpl.java
! src/jdk.incubator.foreign/share/classes/jdk/internal/foreign/ResourceScopeImpl.java
! src/jdk.incubator.foreign/share/classes/jdk/internal/foreign/SharedScope.java
! test/jdk/java/foreign/TestByteBuffer.java
! test/micro/org/openjdk/bench/jdk/incubator/foreign/LoopOverPollutedSegments.java