[llvm] [AArch64] Restore Z-registers before P-registers (#79623) (PR #82492)

[Scott Todd via llvm-commits]

ScottTodd wrote:

> @benvanik and @ScottTodd do you still see that same problem?

This no longer crashes for me on MSVC for that test case. Thanks!

https://github.com/llvm/llvm-project/pull/82492