This PR proposes to use overlapping memory areas in `SegmentBulkOperations::copy`similar ', similar to what is proposed for `SegmentBulkOperations::fill` in https://github.com/openjdk/jdk/pull/25383.
------------- Commit messages: - Add methods to ScopedMemoryAccess - remove file - Use overlapping copy Changes: https://git.openjdk.org/jdk/pull/26672/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=26672&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8365017 Stats: 156 lines in 3 files changed: 118 ins; 19 del; 19 mod Patch: https://git.openjdk.org/jdk/pull/26672.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/26672/head:pull/26672 PR: https://git.openjdk.org/jdk/pull/26672