RFR: 8372978: [VectorAPI] Fix incorrect identity values in UMIN/UMAX reductions [v6]

[Paul Sandoz]

On Tue, 13 Jan 2026 17:37:25 GMT, Paul Sandoz <psandoz at openjdk.org> wrote:

>> This looks good. Before we integrate we will run it through our test system and report back to you.
>
>> Hi @PaulSandoz , if you’ve already had a chance to run the tests, could you let me know how they turned out? Thanks~
> 
> Yes, all good!

> @PaulSandoz Since this is correctness bug fix, p3 priority. I think we should backport the fix to JDK26 and JDK25, right ? JDK24 has been archived, no need to backport to it.

Given the Vector API is an incubating feature I would not considered it as urgent as if a final feature, but given the nature of the bug I have no objections to backporting and the risk seems minimal.

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PR Comment: https://git.openjdk.org/jdk/pull/28692#issuecomment-3752152512