[jdk21u-dev] RFR: 8338236: Compile error in cgroup code on Linux when using clang [v4]

[Jan Kratochvil]

> A patch 6 of 7 for: [[21u] Backport intention of 8322420: [Linux] cgroup v2: Limits in parent nested control groups are not detected](https://mail.openjdk.org/pipermail/jdk-updates-dev/2025-April/043206.html)
> 
> It has a patch dependency on PR 5 of 7: https://github.com/openjdk/jdk21u-dev/pull/1662
> 
> This backport is clean.
> 
> The whole patchset has been tested on CentOS-7.9 (for cgroup v1) and on Fedora 40 (for cgroup v2) for test/hotspot/jtreg/containers.

Jan Kratochvil has updated the pull request incrementally with one additional commit since the last revision:

  retry CI

-------------

Changes:
  - all: https://git.openjdk.org/jdk21u-dev/pull/1663/files
  - new: https://git.openjdk.org/jdk21u-dev/pull/1663/files/cb362b01..a3a5d309

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1663&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1663&range=02-03

  Stats: 0 lines in 0 files changed: 0 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/1663.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/1663/head:pull/1663

PR: https://git.openjdk.org/jdk21u-dev/pull/1663