Two libc++ commits to be added to the release branch

[Hans Wennborg]

On Thu, Jul 16, 2015 at 4:23 PM, Marshall Clow <mclow.lists at gmail.com> wrote:
> Hans -
>
> Can you add these to the 3.7 release branch, please?
>
> 242421 - Set the libc++ version # to 3.7.
> 242377 - Make sure that __libcpp_compressed_pair_imp default-constructs its'
> members, rather than value-initializing them. Fixes PR#24137

Merged in r242494 and r242495, respectively.

Thanks,
Hans