RFR: Merge openjdk/jdk21u-dev:master [v2]

[William Kemper]

> Merges tag jdk-21.0.3+1

William Kemper has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 200 commits:

 - Merge remote-tracking branch 'shenandoah-jdk21u/master' into merge-jdk-21.0.3+1
 - 8323154: C2: assert(cmp != nullptr && cmp->Opcode() == Op_Cmp(bt)) failed: no exit test
   
   Backport-of: 6997bfc68def7f80fbf6a7486a4b9f61225fc471
 - 8320943: Files/probeContentType/Basic.java fails on latest Windows 11 - content type mismatch
   
   Backport-of: 87516e29dc5015c4cab2c07c5539ad30f2768667
 - 8313507: Remove pkcs11/Cipher/TestKATForGCM.java from ProblemList
   
   Backport-of: e8471f6bbe692a0d1e293f9e09aaa4f32312eb6a
 - 8315600: Open source few more headless Swing misc tests
   
   Backport-of: b05198a4f354934bc344fe9cbc19d98fd8bc3977
 - 8274122: java/io/File/createTempFile/SpecialTempFile.java fails in Windows 11
   
   Backport-of: 4a142c3b0831d60b3d5540f58973e8ad3d1304bf
 - 8324280: RISC-V: Incorrect implementation in VM_Version::parse_satp_mode
   
   Backport-of: e7fdac9d5ce56d2f589df59a7fd2869e35ba2991
 - 8324659: GHA: Generic jtreg errors are not reported
   
   Backport-of: c313d451a513eb08de0b295c1ce66d0d849d2374
 - 8315761: Open source few swing JList and JMenuBar tests
   
   Backport-of: bb6b3f2486b07a6ccdeea18519453e6d9c05c2c3
 - 8322142: JFR: Periodic tasks aren't orphaned between recordings
   
   Backport-of: 1551928502c8ed96350e7b4f1316ea35587407fe
 - ... and 190 more: https://git.openjdk.org/shenandoah-jdk21u/compare/66665613...4e4e70b0

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

Changes: https://git.openjdk.org/shenandoah-jdk21u/pull/19/files
 Webrev: https://webrevs.openjdk.org/?repo=shenandoah-jdk21u&pr=19&range=01
  Stats: 30106 lines in 1346 files changed: 15608 ins; 5805 del; 8693 mod
  Patch: https://git.openjdk.org/shenandoah-jdk21u/pull/19.diff
  Fetch: git fetch https://git.openjdk.org/shenandoah-jdk21u.git pull/19/head:pull/19

PR: https://git.openjdk.org/shenandoah-jdk21u/pull/19