RFR: add javac and javap support for the ACC_NULL_CHECKED flag [v2]

[Chen Liang]

On Mon, 2 Feb 2026 18:52:31 GMT, Vicente Romero <vromero at openjdk.org> wrote:

>> adding support for the ACC_NULL_CHECKED flag
>
> Vicente Romero has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - tests
>  - minor fix

Looks great to me.

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Marked as reviewed by liach (Committer).

PR Review: https://git.openjdk.org/valhalla/pull/2017#pullrequestreview-3741506852