RFR: 8312412: Uninitialized klassVtable::_verify_count field

[Paul Hohensee]

On Fri, 7 Jun 2024 17:42:12 GMT, Elif Aslan <duke at openjdk.org> wrote:

> [JDK-8312412](https://bugs.openjdk.org/browse/JDK-8312412)
> 
> Initilizating Uninitialized klassVtable::_verify_count field, without proper initialization, it could lead to incorrect verification logic or misleading debug information.  
> Tested locally

Marked as reviewed by phh (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/19602#pullrequestreview-2105242365