[llvm] [BOLT][AArch64] Handle OpNegateRAState to enable optimizing binaries with pac-ret hardening (PR #120064)

[Gergely Bálint via llvm-commits]

bgergely0 wrote:

Other pass I though could need some special treatment is the inliner pass, but [it is known that inliner does not rewrite DWARF, and breaks unwinding.](https://github.com/llvm/llvm-project/blob/main/bolt/lib/Passes/Inliner.cpp#L14-L17)

https://github.com/llvm/llvm-project/pull/120064