[PATCH] D16613: Introduce a cmake module to figure out whether we need to link with libatomic.

[Daniel Sanders via cfe-commits]

dsanders added a comment.

FWIW, the changes in the last revision look minor to me. I doubt it affects the LGTM

> Do we have any test cases for arbitrary sized trivally copyable structures? That might also be needed.


The failures in 3.8.0rc1 (and presumably still occur in the 3.8.0rc2 that was tagged last night) were all related to 64-bit atomics.


http://reviews.llvm.org/D16613