[llvm-branch-commits] [clang] [clang][PAC][ObjC] Merge the block metadata support for the arm64e abi to llvm 21 (PR #153725)

[Aaron Ballman via llvm-branch-commits]

https://github.com/AaronBallman commented:

Not opposed but this is a pretty significant amount of change for being this late in the rc cycles, and the changes haven't been upstream for very long. How risky are these changes?

https://github.com/llvm/llvm-project/pull/153725