[llvm] r202295 - Silencing an MSVC signed comparison warning.

[Aaron Ballman]

On Wed, Feb 26, 2014 at 4:24 PM, Reid Kleckner <rnk at google.com> wrote:
> For my two cents, I'd really rather not have to avoid sign comparison
> warnings.

Truth be told, I'm a bit surprised at how infrequently this warning
fires in the MSVC build. Are we all really that good at not
accidentally mixing signs..?

~Aaron