[jdk8u-dev] RFR: 8262379: Add regression test for JDK-8257746 [v3]

[Jonathan Dowland]

> This is a backport of 8262379: Add regression test for JDK-8257746 for jdk8u-dev as part of cgroups v2 support.

Jonathan Dowland has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains one commit:

  8262379: Add regression test for JDK-8257746
  
  Backport-of: 4c9adce20d114a3df629fa8c72d88795039ae69a

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Changes: https://git.openjdk.org/jdk8u-dev/pull/171/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk8u-dev&pr=171&range=02
  Stats: 55 lines in 1 file changed: 55 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk8u-dev/pull/171.diff
  Fetch: git fetch https://git.openjdk.org/jdk8u-dev pull/171/head:pull/171

PR: https://git.openjdk.org/jdk8u-dev/pull/171