[libcxx] r220722 - Add test to ensure including <atomic> fails when _LIBCPP_HAS_NO_THREADS is defined.

[Jonathan Roelofs]

This inspired adding another, similar test:

http://reviews.llvm.org/D6006

On 10/27/14 2:57 PM, Jonathan Roelofs wrote:
> I was about to add that... thanks! :)
> 
> Jon
> 

-- 
Jon Roelofs
jonathan at codesourcery.com
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