> This PR proposes to add a new method `MemorySegment::maxByteAlignment` that 
> returns the maximum byte alignment of a segment (both heap and native 
> segments).
> 
> Clients can then use this method to determine if a segment is properly 
> aligned for any given layout (e.g. following a `MemorySegment::reinterpret` 
> operation).

Per Minborg has updated the pull request incrementally with three additional 
commits since the last revision:

 - Update 
src/java.base/share/classes/jdk/internal/foreign/HeapMemorySegmentImpl.java
   
   Co-authored-by: Jorn Vernee <jornver...@users.noreply.github.com>
 - Update 
src/java.base/share/classes/jdk/internal/foreign/NativeMemorySegmentImpl.java
   
   Co-authored-by: Jorn Vernee <jornver...@users.noreply.github.com>
 - Update src/java.base/share/classes/java/lang/foreign/MemorySegment.java
   
   Co-authored-by: Maurizio Cimadamore 
<54672762+mcimadam...@users.noreply.github.com>

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/18779/files
  - new: https://git.openjdk.org/jdk/pull/18779/files/dc0505ff..89bb916b

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=18779&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=18779&range=00-01

  Stats: 10 lines in 3 files changed: 0 ins; 4 del; 6 mod
  Patch: https://git.openjdk.org/jdk/pull/18779.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/18779/head:pull/18779

PR: https://git.openjdk.org/jdk/pull/18779

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