RFR: JDK-8301447: [REDO] CodeHeap has virtual methods that are not overridden

[Justin King]

On Tue, 31 Jan 2023 14:30:29 GMT, Justin King <jcking at openjdk.org> wrote:

> Redo [JDK-8301378](https://bugs.openjdk.org/browse/JDK-8301378), this time also fixing the serviceability code.

Waiting on GHA to confirm if I fixed the serviceability code correctly.

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PR: https://git.openjdk.org/jdk/pull/12345