[clang] [clang][X86] Ignore ABI-empty fields and base classes in X86_64 SysV ABI classification algorithm (PR #187814)

[Benjamin Luke via cfe-commits]

freaknbigpanda wrote:

Hi @phoebewang I added the new ABI version, please take a look when you get a chance

https://github.com/llvm/llvm-project/pull/187814