[Diffusion] rL244063: Add missing atomic libcall support.

[Dimitry Andric via cfe-commits]

dim added a subscriber: dim.
dim added auditors: 3.7-release, cfe-commits, tstellarAMD, jyknight, compnerd, majnemer.
dim added a comment.

This is a change that was required to be able to use clang 3.7.0 for FreeBSD on arm.  Please merge this to the 3.7 branch.  (I already mailed this to James earlier, and he said it looked good to him.)


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

http://reviews.llvm.org/rL244063