[clang-tools-extra] [lit] Are all RUN lines skipped in windows cmd? (PR #65242)

[Saleem Abdulrasool via cfe-commits]

compnerd wrote:

I think that might be a bit too accelerated.  I work mostly with a fork of LLVM (https://github.com/apple/llvm-project) and do care about the usability of `cmd` as a shell.  I think that Swift is a large enough consumer of LLVM to consider testing that before declaring this feature removed.

https://github.com/llvm/llvm-project/pull/65242