[clang] [llvm] [RISCV] Inline Assembly Support for GPR Pairs ('Pr') (PR #112983)

[Pengcheng Wang via cfe-commits]

https://github.com/wangpc-pp approved this pull request.

Cheers! It seems using `untyped` saves some lines as well!
LGTM with nits.

https://github.com/llvm/llvm-project/pull/112983