[jdk17u] RFR: 8273162: AbstractSplittableWithBrineGenerator does not create a random salt

[Goetz Lindenmaier]

On Fri, 19 Nov 2021 08:16:41 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Clean backport.
> 
> Additional testing:
>  - [x] `java/util/Random` tests
>  - [x] `tier1`
>  - [x] `tier2`

Please redo the PR on jdk17u-dev.  Then you can push.

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PR: https://git.openjdk.java.net/jdk17u/pull/288