Integrated: 8325659: Normalize Random usage by incubator vector tests

[Evgeny Nikitin]

On Mon, 8 Apr 2024 10:50:00 GMT, Evgeny Nikitin <enikitin at openjdk.org> wrote:

> Improve RNG usage in said tests:
> 
> 1. The RNG is not created by our Utils class, as suggested in our JTReg tests;
> 2. The seed, accordingly, is not a fixed value now, but truly random;
> 3. The tests that had been creating their own Random instances, are now using RAND static member from the AbstractVectorTest;
> 4. The generated tests sources have been re-generated.
> 
> The most important change is #2, it could add variability and help cover more JIT Compiler and Runtime scenarios.

This pull request has now been integrated.

Changeset: 4bba445d
Author:    Evgeny Nikitin <enikitin at openjdk.org>
Committer: Paul Sandoz <psandoz at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/4bba445d835837db5ab145edb24030fc6f42ec24
Stats:     469 lines in 69 files changed: 188 ins; 0 del; 281 mod

8325659: Normalize Random usage by incubator vector tests

Reviewed-by: psandoz

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PR: https://git.openjdk.org/jdk/pull/18675