git: openjdk/jdk18: 8278897: Alignment of heap segments is not enforced correctly

[Maurizio Cimadamore]

Changeset: 9d43d25d
Author:    Maurizio Cimadamore <mcimadamore at openjdk.org>
Date:      2022-01-05 10:47:34 +0000
URL:       https://git.openjdk.java.net/jdk18/commit/9d43d25da8bcfff425a795dcc230914a384a5c82

8278897: Alignment of heap segments is not enforced correctly

Reviewed-by: jvernee

! src/java.base/share/classes/java/lang/invoke/MemoryAccessVarHandleBase.java
! src/java.base/share/classes/java/lang/invoke/X-VarHandleMemoryAccess.java.template
! src/java.base/share/classes/jdk/internal/access/foreign/MemorySegmentProxy.java
! src/jdk.incubator.foreign/share/classes/jdk/incubator/foreign/MemoryAddress.java
! src/jdk.incubator.foreign/share/classes/jdk/incubator/foreign/MemorySegment.java
! src/jdk.incubator.foreign/share/classes/jdk/internal/foreign/AbstractMemorySegmentImpl.java
! src/jdk.incubator.foreign/share/classes/jdk/internal/foreign/HeapMemorySegmentImpl.java
! src/jdk.incubator.foreign/share/classes/jdk/internal/foreign/LayoutPath.java
! src/jdk.incubator.foreign/share/classes/jdk/internal/foreign/MemoryAddressImpl.java
! src/jdk.incubator.foreign/share/classes/jdk/internal/foreign/NativeMemorySegmentImpl.java
! src/jdk.incubator.foreign/share/classes/jdk/internal/foreign/Utils.java
! test/jdk/java/foreign/TestArrayCopy.java
+ test/jdk/java/foreign/TestHeapAlignment.java
! test/jdk/java/foreign/TestMemoryAccessInstance.java
! test/jdk/java/foreign/TestMemoryAlignment.java
! test/jdk/java/foreign/TestSegmentCopy.java
! test/jdk/java/foreign/TestSpliterator.java
! test/jdk/java/foreign/TestVarHandleCombinators.java
! test/micro/org/openjdk/bench/jdk/incubator/foreign/LoopOverNonConstant.java
! test/micro/org/openjdk/bench/jdk/incubator/foreign/LoopOverNonConstantHeap.java