[foreign-memaccess+abi] RFR: 8274157: java.foreign: Add method MemorySegment::asOverlappingSlice [v5]

[Julia Boes]

> This change adds a method to the MemorySegment API that detects if two segments are overlapping.

Julia Boes has updated the pull request incrementally with one additional commit since the last revision:

  polish API doc

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Changes:
  - all: https://git.openjdk.java.net/panama-foreign/pull/585/files
  - new: https://git.openjdk.java.net/panama-foreign/pull/585/files/b62df7ec..af07be47

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=panama-foreign&pr=585&range=04
 - incr: https://webrevs.openjdk.java.net/?repo=panama-foreign&pr=585&range=03-04

  Stats: 12 lines in 1 file changed: 8 ins; 0 del; 4 mod
  Patch: https://git.openjdk.java.net/panama-foreign/pull/585.diff
  Fetch: git fetch https://git.openjdk.java.net/panama-foreign pull/585/head:pull/585

PR: https://git.openjdk.java.net/panama-foreign/pull/585