[llvm] [llvm] Fix __builtin_object_size interaction between Negative Offset … (PR #111827)

[Harald van Dijk via llvm-commits]

https://github.com/hvdijk approved this pull request.

I am happy with this version, I think it is correct, thank you for the hard work! Please leave a little time before merging to give others time to review if they want, but I will mark it as approved from my end.

https://github.com/llvm/llvm-project/pull/111827