git: openjdk/jdk: master: 8338967: Improve performance for MemorySegment::fill

[Per Minborg]

Changeset: 7a418fc0
Branch: master
Author:    Per Minborg <pminborg at openjdk.org>
Date:      2024-09-03 10:25:27 +0000
URL:       https://git.openjdk.org/jdk/commit/7a418fc07464fe359a0b45b6d797c65c573770cb

8338967: Improve performance for MemorySegment::fill

Reviewed-by: mcimadamore, psandoz

! src/java.base/share/classes/jdk/internal/foreign/AbstractMemorySegmentImpl.java
+ test/jdk/java/foreign/TestFill.java
+ test/micro/org/openjdk/bench/java/lang/foreign/TestFill.java