[clang] [llvm] [X86][AsmParser] Fix MS inline asm label mismatch with offset operator (PR #199552)

[via cfe-commits]

sonyps5201314 wrote:

@lattner @topperc @RKSimon @arsenm @espindola @MaskRay @rotateright @tkremenek @nikic @kazutakahirata @ddunbar @d0k @DougGregor @fhahn Could you review and merge the code?

https://github.com/llvm/llvm-project/pull/199552