r193702 - clang-cl: Parse the /arch, /Yu and /Fp options (PR17736)

[Kim Gräsman]

On Wed, Oct 30, 2013 at 6:36 PM, Hans Wennborg <hans at hanshq.net> wrote:
>
> clang-cl: Parse the /arch, /Yu and /Fp options (PR17736)
>
> We don't support these options, but should at least parse them.

Could /Yu be made to use Clang's PCH mechanism or is there something in the way?

If we're expecting object files compiled by cl.exe and clang-cl to be
compatible, it might get tricky, of course.

- Kim