[clang] [llvm] [Inliner] Use a disjoint scope domain for noalias arguments (PR #218769)

[Arthur Eubanks via cfe-commits]

aeubanks wrote:

oh I misunderstood, the code moving around actually is blocking emission of `!noalias` metadata in some cases IIUC. will continue taking a look

https://github.com/llvm/llvm-project/pull/218769