[jdk17u-dev] RFR: 8281638: jfr/event/allocation tests fail with release VMs after JDK-8281318 due to lack of -XX:+UnlockDiagnosticVMOptions [v3]

[Aleksey Shipilev]

> Follow-up for JDK-8281318 backport.
> 
> Additional testing: 
>  - [x] Linux x86_32 fastdebug, affected tests pass
>  - [x] Linux x86_32 release, affected tests pass

Aleksey Shipilev 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 JDK-8281638-jfr-test-fix
 - Backport d254cf28c5e72bd9b8de863b831015237640ca25
 - Backport 65831eb294b6f1f5f99988836c00005d41c27fd3

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

Changes:
  - all: https://git.openjdk.java.net/jdk17u-dev/pull/241/files
  - new: https://git.openjdk.java.net/jdk17u-dev/pull/241/files/296e108b..1c136c92

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk17u-dev&pr=241&range=02
 - incr: https://webrevs.openjdk.java.net/?repo=jdk17u-dev&pr=241&range=01-02

  Stats: 2815 lines in 59 files changed: 1966 ins; 703 del; 146 mod
  Patch: https://git.openjdk.java.net/jdk17u-dev/pull/241.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk17u-dev pull/241/head:pull/241

PR: https://git.openjdk.java.net/jdk17u-dev/pull/241