[jdk17u] RFR: 8272170: Missing memory barrier when checking active state for regions

[Thomas Schatzl]

Hi all,

  please review this backport for JDK-8272170: Missing memory barrier when checking active state for regions from jdk/jdk.

This one-liner applies cleanly.

Thanks,
  Thomas

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Commit messages:
 - 8272170: Missing memory barrier when checking active state for regions

Changes: https://git.openjdk.java.net/jdk17u/pull/278/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk17u&pr=278&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8272170
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk17u/pull/278.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk17u pull/278/head:pull/278

PR: https://git.openjdk.java.net/jdk17u/pull/278