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+=====================================
+Clang 3.3 (In-Progress) Release Notes
+=====================================
+
+.. contents::
+   :local:
+   :depth: 2
+
+Written by the `LLVM Team <http://llvm.org/>`_
+
+.. warning::
+
+   These are in-progress notes for the upcoming Clang 3.3 release. You may
+   prefer the `Clang 3.2 Release Notes
+   <http://llvm.org/releases/3.2/docs/ClangReleaseNotes.html>`_.
+
+Introduction
+============
+
+This document contains the release notes for the Clang C/C++/Objective-C
+frontend, part of the LLVM Compiler Infrastructure, release 3.3. Here we
+describe the status of Clang in some detail, including major
+improvements from the previous release and new feature work. For the
+general LLVM release notes, see `the LLVM
+documentation <http://llvm.org/docs/ReleaseNotes.html>`_. All LLVM
+releases may be downloaded from the `LLVM releases web
+site <http://llvm.org/releases/>`_.
+
+For more information about Clang or LLVM, including information about
+the latest release, please check out the main please see the `Clang Web
+Site <http://clang.llvm.org>`_ or the `LLVM Web
+Site <http://llvm.org>`_.
+
+Note that if you are reading this file from a Subversion checkout or the
+main Clang web page, this document applies to the *next* release, not
+the current one. To see the release notes for a specific release, please
+see the `releases page <http://llvm.org/releases/>`_.
+
+What's New in Clang 3.3?
+========================
+
+Some of the major new features and improvements to Clang are listed
+here. Generic improvements to Clang as a whole or to its underlying
+infrastructure are described first, followed by language-specific
+sections with improvements to Clang's support for those languages.
+
+Major New Features
+------------------
+
+Improvements to Clang's diagnostics
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Clang's diagnostics are constantly being improved to catch more issues,
+explain them more clearly, and provide more accurate source information
+about them. The improvements since the 3.2 release include:
+
+-  ...
+
+Extended Identifiers: Unicode Support and Universal Character Names
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Clang 3.3 includes support for *extended identifiers* in C99 and C++.
+This feature allows identifiers to contain certain Unicode characters, as
+specified by the active language standard; these characters can be written
+directly in the source file using the UTF-8 encoding, or referred to using
+*universal character names* (``\u00E0``, ``\U000000E0``).
+
+New Compiler Flags
+------------------
+
+-  ...
+
+C Language Changes in Clang
+---------------------------
+
+C11 Feature Support
+^^^^^^^^^^^^^^^^^^^
+
+...
+
+C++ Language Changes in Clang
+-----------------------------
+
+C++11 Feature Support
+^^^^^^^^^^^^^^^^^^^^^
+
+...
+
+Objective-C Language Changes in Clang
+-------------------------------------
+
+...
+
+Internal API Changes
+--------------------
+
+These are major API changes that have happened since the 3.2 release of
+Clang. If upgrading an external codebase that uses Clang as a library,
+this section should help get you past the largest hurdles of upgrading.
+
+Value Casting
+^^^^^^^^^^^^^
+
+Certain type hierarchies (TypeLoc, CFGElement, ProgramPoint, and SVal) were
+misusing the llvm::cast machinery to perform undefined operations. Their APIs
+have been changed to use two member function templates that return values
+instead of pointers or references - "T castAs" and "Optional<T> getAs" (in the
+case of the TypeLoc hierarchy the latter is "T getAs" and you can use the
+boolean testability of a TypeLoc (or its 'validity') to verify that the cast
+succeeded). Essentially all previous 'cast' usage should be replaced with
+'castAs' and 'dyn_cast' should be replaced with 'getAs'. See r175462 for the
+first example of such a change along with many examples of how code was
+migrated to the new API.
+
+Storage Class
+^^^^^^^^^^^^^
+
+For each variable and function Clang used to keep the storage class as written
+in the source, the linkage and a semantic storage class. This was a bit
+redundant and the semantic storage class has been removed. The method
+getStorageClass now returns what is written it the source code for that decl.
+
+...
+
+Python Binding Changes
+----------------------
+
+The following methods have been added:
+
+-  ...
+
+Significant Known Problems
+==========================
+
+Additional Information
+======================
+
+A wide variety of additional information is available on the `Clang web
+page <http://clang.llvm.org/>`_. The web page contains versions of the
+API documentation which are up-to-date with the Subversion version of
+the source code. You can access versions of these documents specific to
+this release by going into the "``clang/docs/``" directory in the Clang
+tree.
+
+If you have any questions or comments about Clang, please feel free to
+contact us via the `mailing
+list <http://lists.cs.uiuc.edu/mailman/listinfo/cfe-dev>`_.