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-rw-r--r--docs/ReleaseNotes.rst11
1 files changed, 10 insertions, 1 deletions
diff --git a/docs/ReleaseNotes.rst b/docs/ReleaseNotes.rst
index 55ef35d2f6..61f0fd1367 100644
--- a/docs/ReleaseNotes.rst
+++ b/docs/ReleaseNotes.rst
@@ -176,7 +176,16 @@ C++1z Feature Support
Objective-C Language Changes in Clang
-------------------------------------
-...
+- Clang now guarantees that a ``readwrite`` property is synthesized when an
+ ambiguous property (i.e. a property that's declared in multiple protocols)
+ is synthesized. The ``-Wprotocol-property-synthesis-ambiguity`` warning that
+ warns about incompatible property types is now promoted to an error when
+ there's an ambiguity between ``readwrite`` and ``readonly`` properties.
+
+- Clang now prohibits synthesis of ambiguous properties with incompatible
+ explicit property attributes. The following property attributes are
+ checked for differences: ``copy``, ``retain``/``strong``, ``atomic``,
+ ``getter`` and ``setter``.
OpenCL C Language Changes in Clang
----------------------------------