[Diffusion] rL244063: Add missing atomic libcall support.

[James Y Knight via cfe-commits]

jyknight accepted this commit.
jyknight added a comment.

This issue was resolved; hopefully this will inform Phab of that.


Users:
  jyknight (Author, Auditor)
  3.7-release (Auditor)
  cfe-commits (Auditor)
  tstellarAMD (Auditor)
  compnerd (Auditor)
  majnemer (Auditor)
  rsmith (Auditor)

http://reviews.llvm.org/rL244063