[clang] [llvm] [AsmPrinter,X86] Hard code AT&T syntax input for module-level inline assembly for MSVC triples (PR #85668)

[Fangrui Song via cfe-commits]

MaskRay wrote:

Thanks. Fixing it on the Chromium feels nicer to me as well. This should work around the code if you run into more code needing this :) Personally I suspect not, since module-level inline asm with instructions are very rarely used (non-instruction directives are uses more).

https://github.com/llvm/llvm-project/pull/85668