Improved test stability. See first comment for details. Tested by running the test 25 times with every GC on every supported platform and also combined with -Xcomp.
------------- Commit messages: - fix jcheck errors - improve test stability Changes: https://git.openjdk.org/jdk/pull/27266/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=27266&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8367297 Stats: 50 lines in 1 file changed: 36 ins; 1 del; 13 mod Patch: https://git.openjdk.org/jdk/pull/27266.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/27266/head:pull/27266 PR: https://git.openjdk.org/jdk/pull/27266