Test fix for test failing on AIX because of undefined behavior in current implementation.
------------- Commit messages: - Backport cf9e6353cc6fe9e57a7a9883813d09892e7e7621 Changes: https://git.openjdk.org/jdk21/pull/9/files Webrev: https://webrevs.openjdk.org/?repo=jdk21&pr=9&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8309462 Stats: 5 lines in 1 file changed: 4 ins; 0 del; 1 mod Patch: https://git.openjdk.org/jdk21/pull/9.diff Fetch: git fetch https://git.openjdk.org/jdk21.git pull/9/head:pull/9 PR: https://git.openjdk.org/jdk21/pull/9