[llvm] [llvm][AArch64] Do not inline a function with different signing scheme. (PR #80642)

[Nick Desaulniers via llvm-commits]

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

LGTM; thanks!

Might want to wait to land this until after we've resolved the other patch; right now, these aren't function attributes that are generated anywhere (until the other PR is resolved)

https://github.com/llvm/llvm-project/pull/80642