[PATCH] D16614: Use "long long int" when checking whether atomics are supported.

[Joerg Sonnenberger via llvm-commits]

On Thu, Jan 28, 2016 at 02:13:10PM +0000, Vasileios Kalintiris wrote:
> My understanding from the discussion so far is that it would be better to check whether we need 64bit atomics  only in libcxx.
> I'm going to abandon this review request and update the libcxx one with the necessary logic for detecting support/lack of 64bit atomics.

Thanks, that's exactly what I am asking for.

Joerg