RFR: 8365262: [IR-Framework] Add simple way to add cross-product of flags [v9]

[Manuel Hässig]

On Thu, 28 Aug 2025 06:28:13 GMT, Benoît Maillard <bmaillard at openjdk.org> wrote:

>> Manuel Hässig has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Review
>
> The new changes look good to me!

Thank you for your reviews, @benoitmaillard and @eme64!

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PR Comment: https://git.openjdk.org/jdk/pull/26762#issuecomment-3232108835