RFR: 8349847: Support configuring individual lint categories as errors [v9]

[Archie Cobbs]

On Thu, 14 Aug 2025 14:47:53 GMT, Vicente Romero <vromero at openjdk.org> wrote:

>> Archie Cobbs has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 16 commits:
>> 
>>  - Address review comments.
>>  - Merge branch 'master' into JDK-8349847
>>  - Merge branch 'master' into JDK-8349847 to fix cross-compiling build problem.
>>  - Merge branch 'master' into JDK-8349847 to fix conflicts.
>>  - Merge branch 'master' into JDK-8349847 to fix conflicts.
>>  - Merge branch 'JDK-8359596' into JDK-8349847 to add "-Xlint:none" fix.
>>  - Ensure that "-Xlint:none" still works for the affected warnings.
>>    
>>    The extra checks for "-Xlint:none" are needed now because of JDK-8352612,
>>    which changed the behavior of "-Xlint:none" to no longer imply "-nowarn",
>>    which allowed the affected warnings to get away with skipping that check.
>>  - Minor naming and Javadoc tweaks.
>>  - Merge branch 'JDK-8359596' into JDK-8349847
>>  - No need for /nodynamiccopyright/ with this test.
>>  - ... and 6 more: https://git.openjdk.org/jdk/compare/8cd79752...e8f5539f
>
> I'm OK with the last version. It could be said that more tests could be added but at the same time given that we are reusing code paths already tested for `Xlint`, then we should be fine. Kind of on the fence here

@vicente-romero-oracle thanks for the review!

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PR Comment: https://git.openjdk.org/jdk/pull/23622#issuecomment-3189847960