RFR: 8344079: Minor fixes and cleanups to compiler lint-related code [v8]

[Maurizio Cimadamore]

On Thu, 2 Jan 2025 19:13:11 GMT, Archie Cobbs <acobbs at openjdk.org> wrote:

>> Please review these changes with some minor lint-related fixes and cleanups.
>> 
>> See [JDK-8344079](https://bugs.openjdk.org/browse/JDK-8344079) for a more detailed description.
>
> Archie Cobbs has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 11 commits:
> 
>  - Bump copyright year to 2025.
>  - Merge branch 'master' into JDK-8344079
>  - Merge branch 'master' into JDK-8344079
>  - Refactor to clarify handling of special flag "-XDwarnOnAccessToMembers".
>  - Tighten up declared type of lexWarning() parameter.
>  - Merge branch 'master' into JDK-8344079
>  - Address review comment by being less Streamy.
>  - Fold LintSuppression methods back into existing Lint class.
>  - Merge branch 'master' into JDK-8344079
>  - Fix typo in comment.
>  - ... and 1 more: https://git.openjdk.org/jdk/compare/a77ed30f...d58f3ad6

Looks good

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Marked as reviewed by mcimadamore (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/22056#pullrequestreview-2532021535