[llvm] [llvm][AArch64] Autoupgrade function attributes from Module attributes. (PR #80640)

[David Spickett via llvm-commits]

DavidSpickett wrote:

FYI, this has caused test failures: https://lab.llvm.org/buildbot/#/builders/188/builds/42267

https://github.com/llvm/llvm-project/pull/80640