[jdk21u-dev] RFR: 8317132: Prepare HotSpot for permissive- [v2]

[Goetz Lindenmaier]

> I backport this for parity with 21.0.10-oracle.
> 
> resolved flags-cflags.m4

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 two additional commits since the last revision:

 - Merge branch 'openjdk:master' into goetz_backport_8317132
 - backport 4a85f6ae9f0381f0e29160fb1d304d7bde5840ba

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

Changes:
  - all: https://git.openjdk.org/jdk21u-dev/pull/2349/files
  - new: https://git.openjdk.org/jdk21u-dev/pull/2349/files/3f837c37..c4d87aeb

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=2349&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=2349&range=00-01

  Stats: 868 lines in 42 files changed: 427 ins; 234 del; 207 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/2349.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/2349/head:pull/2349

PR: https://git.openjdk.org/jdk21u-dev/pull/2349