RFR: 8180514: TestPrintMdo.java test fails with -XX:-TieredCompilation

[Leonid Mesnik]

Test fails with -XX:+TieredCompilation because j.l.Object hasn't been used enough time to trigger compilation. So it

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Commit messages:
 - 8180514: TestPrintMdo.java test fails with -XX:+TieredCompilation

Changes: https://git.openjdk.java.net/jdk/pull/447/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=447&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8180514
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/447.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/447/head:pull/447

PR: https://git.openjdk.java.net/jdk/pull/447