[compiler-rt] [compiler-rt][ASan] Add function moving annotations (PR #91702)

[Vitaly Buka via llvm-commits]

vitalybuka wrote:

LGTM for Asan however HWASAN story is not clear.
Let's make sure we can use this for HWASAN as well. 

It's probably fine, but I'd like to think about this more.

https://github.com/llvm/llvm-project/pull/91702