From d66117b72e9ac0f590cea92f13151c70d9d42070 Mon Sep 17 00:00:00 2001
From: David Chisnall <csdavec@swan.ac.uk>
Date: Tue, 15 May 2012 13:18:03 +0000
Subject: [PATCH] Add a note about atomic builtins to c11 section of release
 notes.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156820 91177308-0d34-0410-b5e6-96231b3b80d8
---
 docs/ReleaseNotes.html | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/docs/ReleaseNotes.html b/docs/ReleaseNotes.html
index acf0e6d150..1dfdfbefe9 100644
--- a/docs/ReleaseNotes.html
+++ b/docs/ReleaseNotes.html
@@ -112,7 +112,12 @@ modes.</p>
 
 <p>All warning and language selection flags which previously accepted
 <code>c1x</code> have been updated to accept <code>c11</code>. The old
-<code>c1x</code> forms have been removed.
+<code>c1x</code> forms have been removed.</p>
+
+<p>Clang 3.1 adds a family of <code>__c11_atomic</code> builtins corresponding
+   directly to the <code>_explict</code> versions of the C11 atomic functions.
+   This means that C11's <code>&lt;stdatomic.h&gt;</code> can be implemented in
+   a small set of trivial macros.  </p>
 
 <!-- = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = -->
 <h3 id="cxxchanges">C++ Language Changes in Clang</h3>
-- 
2.40.0