RFR: Merge openjdk/jdk21u-dev:master

[William Kemper]

Merges tag jdk-21.0.4+1

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Commit messages:
 - 8326974: ODR violation in macroAssembler_aarch64.cpp
 - 8319713: Parallel: Remove PSAdaptiveSizePolicy::should_full_GC
 - 8312014: [s390x] TestSigInfoInHsErrFile.java Failure
 - 8322962: Upcall stub might go undetected when freezing frames
 - 8325095: C2: bailout message broken: ResourceArea allocated string used after free
 - 8328168: Epsilon: Premature OOM when allocating object larger than uncommitted heap size
 - 8330156: RISC-V: Range check auipc + signed 12 imm instruction
 - 8321713: Harmonize executeTestJvm with create[Limited]TestJavaProcessBuilder
 - 8331113: createJMHBundle.sh support configurable maven repo mirror
 - 8309142: Refactor test/langtools/tools/javac/versions/Versions.java
 - ... and 232 more: https://git.openjdk.org/shenandoah-jdk21u/compare/05f18b10...3ab3f52b

The merge commit only contains trivial merges, so no merge-specific webrevs have been generated.

Changes: https://git.openjdk.org/shenandoah-jdk21u/pull/42/files
  Stats: 33216 lines in 931 files changed: 18443 ins; 8016 del; 6757 mod
  Patch: https://git.openjdk.org/shenandoah-jdk21u/pull/42.diff
  Fetch: git fetch https://git.openjdk.org/shenandoah-jdk21u.git pull/42/head:pull/42

PR: https://git.openjdk.org/shenandoah-jdk21u/pull/42