[jdk24] RFR: 8347274: Gatherers.mapConcurrent exhibits undesired behavior under variable delays, interruption, and finishing

Tue Jan 14 11:09:10 UTC 2025

Hi all,

This pull request contains a backport of commit [450636ae](https://github.com/openjdk/jdk/commit/450636ae28b84ded083b6861c6cba85fbf87e16e) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.

The commit being backported was authored by Viktor Klang on 13 Jan 2025 and was reviewed by Alan Bateman.

Thanks!

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Commit messages:
 - Backport 450636ae28b84ded083b6861c6cba85fbf87e16e

Changes: https://git.openjdk.org/jdk/pull/23100/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=23100&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8347274
  Stats: 148 lines in 2 files changed: 93 ins; 16 del; 39 mod
  Patch: https://git.openjdk.org/jdk/pull/23100.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/23100/head:pull/23100

PR: https://git.openjdk.org/jdk/pull/23100