RFR: 8319123: Implement JEP 461: Stream Gatherers (Preview) [v8]

[Andrey Turbanov]

On Tue, 14 Nov 2023 16:35:53 GMT, Viktor Klang <vklang at openjdk.org> wrote:

>> This Pull-Request implements [JEP-461](https://openjdk.org/jeps/461)
>
> Viktor Klang has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Unpacking the rethrown exceptions from Gatherers.mapConcurrent()

src/java.base/share/classes/java/util/stream/Gatherers.java line 403:

> 401:                         assert correctRemoval;
> 402:                     }
> 403:                 } catch(InterruptedException ie) {

Suggestion:

                } catch (InterruptedException ie) {

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PR Review Comment: https://git.openjdk.org/jdk/pull/16420#discussion_r1393036548