[clang] [compiler-rt] [llvm] [X86] AMD Zen 5 Initial enablement (PR #107964)

[Nikita Popov via cfe-commits]

nikic wrote:

Zen 5 support in GCC was upstreamed more than half a year ago -- why is the LLVM support being upstreamed only now, after missing the 19.x window? What steps are being taken to ensure this does not happen again?

The change to X86TargetParser.h looks ABI breaking to me.

https://github.com/llvm/llvm-project/pull/107964