Backport Wasm Debugging changes to the LLVM 21.x Release

[JDevlieghere]

Issue to track backporting the Wasm debuggign changes to the LLVM 21.x Release.

[JDevlieghere]

/cherry-pick a28e7f1 c2548a8 1c70fa8

[llvmbot]

Failed to cherry-pick: c2548a8

https://github.com/llvm/llvm-project/actions/runs/16638937798

Please manually backport the fix and push it to your github fork. Once this is done, please create a pull request

[JDevlieghere]

I'll cherry-pick the changes (plus #151445) once that PR has been merged.

[llvmbot]

@llvm/issue-subscribers-lldb

Author: Jonas Devlieghere (JDevlieghere)

Issue to track backporting the Wasm debuggign changes to the LLVM 21.x Release.

[JDevlieghere]

#151559