[PATCH] Driver: enhance MSC version compatibility

[Aaron Ballman]

On Fri, Jun 20, 2014 at 2:52 PM, Reid Kleckner <rnk at google.com> wrote:
> ================
> Comment at: lib/Basic/Targets.cpp:582
> @@ +581,3 @@
> +    // Ideally, the -fmsc-version would take a period delimited component of the
> +    // form MM.mm.bbbbb.pp (e.g. 17.00.60610.1).  Unfortunately, the current
> +    // limitation of 32-bits prevents the encoding of Patch.  Assume that patch
> ----------------
> I'm not crazy about -fmsc-version=MMmmmbbbbb.  How about -fmsc-version either takes a non-full number, or it takes a dot-separated number as described here?  We can skip the patch version for now, since that's too many bits.

I like that idea too, FWIW.

~Aaron