RFR: 8357816: Add test from JDK-8350576 [v3]

[Tobias Hartmann]

On Fri, 13 Jun 2025 08:36:14 GMT, Benoît Maillard <duke at openjdk.org> wrote:

>> This PR adds a jtreg test for [JDK-8350576](https://bugs.openjdk.org/browse/JDK-8350576). The test consists of a code sample produced by the fuzzer, and it contains a loop that is supposed to get optimized.
>> 
>> Thanks!
>> 
>> ### Testing
>> 
>> - [x] [GitHub Actions](https://github.com/benoitmaillard/jdk/actions?query=branch%3AJDK-8357816)
>> - [x] tier1-3, plus some internal testing
>> - [x] Ran the test with a debug build prior to the fix (JDK 25 build 16) and made sure it failed as a sanity check
>> 
>> Shout out to @TobiHartmann for helping out with jtreg
>
> Benoît Maillard has updated the pull request incrementally with one additional commit since the last revision:
> 
>   8357816: Split long line into several ones

Looks good to me.

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Marked as reviewed by thartmann (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/25774#pullrequestreview-2930845772