This PR proposes adding a missing liveness check for `SegmentBulkOperation::copy` if the `size` is zero.
It also proposes to add a small test. --------- - [x] I confirm that I make this contribution in accordance with the [OpenJDK Interim AI Policy](https://openjdk.org/legal/ai). ------------- Commit messages: - Add livenes checks for zero sized copy Changes: https://git.openjdk.org/jdk/pull/32710/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=32710&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8391841 Stats: 16 lines in 2 files changed: 13 ins; 0 del; 3 mod Patch: https://git.openjdk.org/jdk/pull/32710.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/32710/head:pull/32710 PR: https://git.openjdk.org/jdk/pull/32710
