RFR: 8323552: AbstractMemorySegmentImpl#mismatch returns -1 when comparing distinct areas of the same instance of MemorySegment

[Maurizio Cimadamore]

On Thu, 21 Mar 2024 09:23:45 GMT, Per Minborg <pminborg at openjdk.org> wrote:

> This PR proposes to remove an old optimization check that was incorrect making `AbstractMemorySegmentImpl::mismatch` always return `-1` if the source and destination segment are the same (disregarding offsets).

Marked as reviewed by mcimadamore (Reviewer).

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

PR Review: https://git.openjdk.org/jdk/pull/18426#pullrequestreview-1951602572