This PR proposes to fix a bug in the `MemorySegment::asOverlapingSlice` which incorrectly computes the size of the overlapping region.
A parameterized test is also proposed via this PR --------- - [x] I confirm that I make this contribution in accordance with the [OpenJDK Interim AI Policy](https://openjdk.org/legal/ai). ------------- Commit messages: - Fix asOverlappingSlice issue Changes: https://git.openjdk.org/jdk/pull/32707/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=32707&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8391831 Stats: 24 lines in 2 files changed: 19 ins; 0 del; 5 mod Patch: https://git.openjdk.org/jdk/pull/32707.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/32707/head:pull/32707 PR: https://git.openjdk.org/jdk/pull/32707
