[jdk18] RFR: 8279032: compiler/loopopts/TestSkeletonPredicateNegation.java times out with -XX:TieredStopAtLevel < 4

[Fairoz Matte]

8279032: compiler/loopopts/TestSkeletonPredicateNegation.java times out with -XX:TieredStopAtLevel < 4

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Commit messages:
 - 8279032: compiler/loopopts/TestSkeletonPredicateNegation.java times out with -XX:TieredStopAtLevel < 4

Changes: https://git.openjdk.java.net/jdk18/pull/89/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk18&pr=89&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8279032
  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk18/pull/89.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk18 pull/89/head:pull/89

PR: https://git.openjdk.java.net/jdk18/pull/89