[clang] [llvm] [Clang][inlineasm] Add special support for "rm" output constraints (PR #92040)

[Bill Wendling via cfe-commits]

bwendling wrote:

With the testcases updated I believe this is now ready for a final (or even first) review.

Thanks to everyone for your patience! This change will put to rest a recurring complaint by the Linux community. :-)

https://github.com/llvm/llvm-project/pull/92040