[jdk21u-dev] RFR: 8339300: CollectorPolicy.young_scaled_initial_ergo_vm gtest fails on ppc64 based platforms [v3]

[Goetz Lindenmaier]

> Follow-up to 8258483 to fix PPC.

Goetz Lindenmaier has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains three additional commits since the last revision:

 - Merge branch 'master' into goetz_backport_8339300
 - Backport f2c992c5af021ab0ff8429fd261314bc7e01f7df
 - Backport d08b5bd9f5f740d75c1acfbd644ce1c822e03833

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

Changes:
  - all: https://git.openjdk.org/jdk21u-dev/pull/1593/files
  - new: https://git.openjdk.org/jdk21u-dev/pull/1593/files/dcbdb16a..d80e5a2c

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1593&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1593&range=01-02

  Stats: 3328 lines in 31 files changed: 3315 ins; 3 del; 10 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/1593.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/1593/head:pull/1593

PR: https://git.openjdk.org/jdk21u-dev/pull/1593