Libc++ patch to implement n3545

[Howard Hinnant]

On Jul 8, 2013, at 10:14 AM, Marshall Clow <mclow.lists at gmail.com> wrote:

> Reference: http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3545
> 
> This is a very small patch ;-)
> 
> -- Marshall
> 
> Marshall Clow     Idio Software   <mailto:mclow.lists at gmail.com>
> 
> A.D. 1517: Martin Luther nails his 95 Theses to the church door and is promptly moderated down to (-1, Flamebait).
>        -- Yu Suzuki
> 
> <n3545.patch>

Looks good to me, please commit, thanks!

Howard