[jdk21u] RFR: 8311921: Inform about MaxExpectedDataSegmentSize in case of pthread_create failures on AIX

[Matthias Baesken]

8311921: Inform about MaxExpectedDataSegmentSize in case of pthread_create failures on AIX

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Commit messages:
 - Backport aa7367f1ecc5da15591963e56e1435aa7b830f79

Changes: https://git.openjdk.org/jdk21u/pull/23/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk21u&pr=23&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8311921
  Stats: 2 lines in 1 file changed: 1 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk21u/pull/23.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u.git pull/23/head:pull/23

PR: https://git.openjdk.org/jdk21u/pull/23