RFR: 8353835: Implement JEP 500: Prepare to Make Final Mean Final [v4]

[Alan Bateman]

On Mon, 29 Sep 2025 09:24:22 GMT, Volkan Yazici <vyazici at openjdk.org> wrote:

>> Alan Bateman has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   RemoveFields(duration) and filter internal frames
>
> test/jdk/java/lang/reflect/Field/mutateFinals/cli/CommandLineTest.java line 190:
> 
>> 188:     @Test
>> 189:     void testLastOneWins() throws Exception {
>> 190:         test("testFieldSetInt", "--illegal-final-field-mutation=allow", "--illegal-final-field-mutation=deny")
> 
> This tests `setProperty+Defaults`. Shall we also test `setProperty+vmOpt`?

It wouldn't do any harm to have this test exercise another combination. The simplest one to add is where the winner specifies "warn" or "debug" as the output can be checked.

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PR Review Comment: https://git.openjdk.org/jdk/pull/25115#discussion_r2390468743