[lworld] RFR: Merge jdk [v2]

[David Simms]

> Merge jdk-27+9

David Simms has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 106 commits:

 - Merge remote-tracking branch 'upstream/lworld' into lworld_merge_jdk_27_9
 - zero-as-null-pointer-constant aarch64
 - zero-as-null-pointer-constant x86
 - Merge tag 'jdk-27+9' into lworld_merge_jdk_27_9
   
   Added tag jdk-27+9 for changeset 6abb29cc
 - 8376794: Enable copy and mismatch Partial Inlining for AMD AVX512 targets
   
   Reviewed-by: sviswanathan, thartmann
 - 8377651: [s390x] build failure without c1 & c2 compiler
   
   Reviewed-by: aph, mdoerr
 - 8374577: Heap dump from core does not contain HPROF_GC_ROOT_JAVA_FRAME
   
   Reviewed-by: cjplummer, amenkov, kevinw, aturbanov
 - 8377601: JavacTemplateTestBase not reporting javac crashes
   
   Reviewed-by: vromero
 - 8377509: Add licenses for gcc 14.2.0
   
   Reviewed-by: dholmes
 - 8377307: Refactor code for AOT cache pointer compression
   
   Reviewed-by: jsjolen, xuelei, asmehra
 - ... and 96 more: https://git.openjdk.org/valhalla/compare/2476cc80...97bb9a58

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Changes: https://git.openjdk.org/valhalla/pull/2140/files
  Webrev: https://webrevs.openjdk.org/?repo=valhalla&pr=2140&range=01
  Stats: 18356 lines in 497 files changed: 11013 ins; 3020 del; 4323 mod
  Patch: https://git.openjdk.org/valhalla/pull/2140.diff
  Fetch: git fetch https://git.openjdk.org/valhalla.git pull/2140/head:pull/2140

PR: https://git.openjdk.org/valhalla/pull/2140