RFR: 8312412: Uninitialized klassVtable::_verify_count field

[Elif Aslan]

Initilizating Uninitialized klassVtable::_verify_count field

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Commit messages:
 - Initialize verify_count

Changes: https://git.openjdk.org/jdk/pull/19602/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=19602&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8312412
  Stats: 3 lines in 1 file changed: 3 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/19602.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/19602/head:pull/19602

PR: https://git.openjdk.org/jdk/pull/19602