[code-reflection] RFR: Merge master [v2]

[Paul Sandoz]

> Merge master

Paul Sandoz has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 412 commits:

 - Merge remote-tracking branch 'upstream/master' into merge-master
 - Partial evaluator transform
 - Post dominator functionality
 - Onnx fixes to support LLM + Onnx GenAI Runtime
 - Enhance grammar of op attributes
   
   Reviewed-by: psandoz
 - Debug appropriate code element toString
   
   Reviewed-by: mcimadamore
 - Regularize parsing of refs/types in op attributes
 - add extern C and minize square output
 - Regularize support for Java types/references
   
   Reviewed-by: psandoz
 - Add rocm/hip cmake rules -  hip backend work in progress
 - ... and 402 more: https://git.openjdk.org/babylon/compare/9586817c...85205451

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Changes: https://git.openjdk.org/babylon/pull/438/files
  Webrev: Webrev is not available because diff is too large
  Stats: 345137 lines in 848 files changed: 344957 ins; 75 del; 105 mod
  Patch: https://git.openjdk.org/babylon/pull/438.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/438/head:pull/438

PR: https://git.openjdk.org/babylon/pull/438