RFR: 8367333: C2: Vector math operation intrinsification failure [v2]

[Emanuel Peter]

On Wed, 17 Sep 2025 06:05:11 GMT, Emanuel Peter <epeter at openjdk.org> wrote:

>> It's intended as C2-specific regression test and it relies on C2-specific VM flags. Vector API unit tests (under test/jdk/jdk/incubator/vector/) exercise the very same functionality, but don't specify flags required to trigger the bug.
>
> I leave it up to you. You can always ignore unrecognized flags. And tests tend to diverge over time, so maybe a little duplication would not hurt. But up to you.

And if it is a duplication, you should probably leave a comment linking it to the other one.
Also: why not just add the extra run over at the original test?

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PR Review Comment: https://git.openjdk.org/jdk/pull/27263#discussion_r2354410385