[jdk25u-dev] RFR: Merge jdk25u:master [v2]

[Goetz Lindenmaier]

> Merge the changes we pushed for developer convenience to jdk25u after close of 25.0.2 development.

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 11 additional commits since the last revision:

 - Merge
 - 8343474: [updates] Customize README.md to specifics of update project
   
   Reviewed-by: sgehwolf
   Backport-of: 22d5e0d1f8849410abe40165b58f45f5e4293884
 - 8368787: Error reporting: hs_err files should show instructions when referencing code in nmethods
   
   Backport-of: b31bbfcf2f13fa5b16762f5384d95c2b5d9c5705
 - 8370244: [PPC64] Several vector tests fail on Power8
   
   Backport-of: cbd77fc9f3e6c8f1e996b30afe208c6a074cce3a
 - 8372046: compiler/floatingpoint/TestSubNodeFloatDoubleNegation.java fails IR verification
   
   Backport-of: a3b1affbfb23eeef32749164aae316e5d55fffaa
 - 8371966: RISC-V: Incorrect pointer dereference in TemplateInterpreterGenerator::generate_native_entry
   
   Backport-of: 695a4abd5f7e9edcea9f1a724a9ceb87340a8f25
 - 8370708: RISC-V: Add VerifyStackAtCalls
   
   Backport-of: 0737a5625269773dcf70b95f8b8ac90b3b6cc444
 - 8372412: Increase buffer size for ring-buffer events in CollectedHeap
   
   Backport-of: 81ea1442a86795dafbf96c875fbecc65210804be
 - 8364741: [asan] runtime/ErrorHandling/PrintVMInfoAtExitTest.java fails because output differs slightly
   
   Backport-of: a840dc22c575b5d2b5b6017a536a6541fc1f0a44
 - 8354937: Cleanup some sparc related coding in os_linux
   
   Backport-of: 1b3889a47092e018ab9ecb6aaa922046d8d0e916
 - ... and 1 more: https://git.openjdk.org/jdk25u-dev/compare/7c645309...e3d4cbf5

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

Changes:
  - all: https://git.openjdk.org/jdk25u-dev/pull/53/files
  - new: https://git.openjdk.org/jdk25u-dev/pull/53/files/e3d4cbf5..e3d4cbf5

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk25u-dev&pr=53&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk25u-dev&pr=53&range=00-01

  Stats: 0 lines in 0 files changed: 0 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk25u-dev/pull/53.diff
  Fetch: git fetch https://git.openjdk.org/jdk25u-dev.git pull/53/head:pull/53

PR: https://git.openjdk.org/jdk25u-dev/pull/53