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Richard Smith1e409d82012-02-24 18:42:08 +0000[diff] [blame]6 <title>Clang - C++98 and C++11 Status</title>
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Richard Smithaff7d352013-04-19 17:27:48 +0000[diff] [blame]25<h1>C++98, C++11, and C++14 Support in Clang</h1>
Cedric Venet3d658642009-02-14 20:20:19 +0000[diff] [blame]26<!--*************************************************************************-->
Douglas Gregor4c9b68f2009-06-27 19:33:58 +0000[diff] [blame]27<p>Last updated: $Date$</p>
Cedric Venet3d658642009-02-14 20:20:19 +0000[diff] [blame]28
Richard Smith1e409d82012-02-24 18:42:08 +0000[diff] [blame]29<h2 id="cxx98">C++98 implementation status</h2>
30
Douglas Gregor8c327082011-07-21 17:46:15 +0000[diff] [blame]31<p>Clang currently implements all of the ISO C++ 1998 standard
32 (including the defects addressed in the ISO C++ 2003 standard)
Richard Smith1e409d82012-02-24 18:42:08 +0000[diff] [blame]33 except for 'export' (which has been removed in C++11)
Douglas Gregor8c327082011-07-21 17:46:15 +0000[diff] [blame]34 and is considered a production-quality C++ compiler. The <a
35 href="http://llvm.org/bugs/">LLVM bug tracker</a> contains a Clang
36 C++ component that tracks known Clang C++ bugs.</p>
Douglas Gregor57f1a002010-02-05 23:51:14 +0000[diff] [blame]37
Richard Smith1e409d82012-02-24 18:42:08 +0000[diff] [blame]38<h2 id="cxx11">C++11 implementation status</h2>
Chris Lattner900e32d2010-05-21 20:59:40 +0000[diff] [blame]39
Richard Smithe6e68b52013-04-19 17:00:31 +0000[diff] [blame]40 <p>Clang implements all of the <a
41 href="http://www.iso.org/iso/iso_catalogue/catalogue_tc/catalogue_detail.htm?csnumber=50372">ISO
42 C++ 2011 standard</a>. The following table describes the Clang version
43 in which each feature became available.</p>
Chris Lattner900e32d2010-05-21 20:59:40 +0000[diff] [blame]44
Richard Smith11fd5b12013-03-10 00:11:00 +0000[diff] [blame]45<p>By default, Clang builds C++ code according to the C++98 standard, with many
46C++11 features accepted as extensions. You can use Clang in C++11 mode with the
47<code>-std=c++11</code> option. Clang's C++11 mode can be used
48with <a href="http://libcxx.llvm.org/">libc++</a> or with gcc's libstdc++, but
49patches are needed to make <a href="libstdc++4.4-clang0x.patch">libstdc++-4.4</a>
Richard Smithb5b37d12012-10-23 00:32:41 +0000[diff] [blame]50work with Clang in C++11 mode. Patches are also needed to make
Richard Smithc3393932012-10-04 22:23:07 +0000[diff] [blame]51<a href="libstdc++4.6-clang11.patch">libstdc++-4.6</a>,
Richard Smithb5b37d12012-10-23 00:32:41 +0000[diff] [blame]52and <a href="libstdc++4.7-clang11.patch">libstdc++-4.7</a> work with Clang
Richard Smithe6e68b52013-04-19 17:00:31 +0000[diff] [blame]53releases prior to version 3.2 in C++11 mode. <tt>thread_local</tt> support
54currently requires g++-4.8's C++ runtime library.</p>
Jeffrey Yasskin46ba01a2011-03-29 22:27:50 +0000[diff] [blame]55
Cedric Venet3d658642009-02-14 20:20:19 +0000[diff] [blame]56<table width="689" border="1" cellspacing="0">
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]57 <tr>
Benjamin Kramer8398bdb2011-11-05 10:11:36 +0000[diff] [blame]58 <th>Language Feature</th>
Richard Smith1e409d82012-02-24 18:42:08 +0000[diff] [blame]59 <th>C++11 Proposal</th>
Benjamin Kramer8398bdb2011-11-05 10:11:36 +0000[diff] [blame]60 <th>Available in Clang?</th>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]61 </tr>
62 <tr>
63 <td>Rvalue references</td>
64 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2006/n2118.html">N2118</a></td>
Michael J. Spencer45b636a2011-11-02 06:29:37 +0000[diff] [blame]65 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]66 </tr>
67 <tr>
68 <td>&nbsp;&nbsp;&nbsp;&nbsp;Rvalue references for <code>*this</code></td>
69 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2439.htm">N2439</a></td>
Benjamin Kramer8398bdb2011-11-05 10:11:36 +0000[diff] [blame]70 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]71 </tr>
72 <tr>
73 <td>Initialization of class objects by rvalues</td>
74 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2004/n1610.html">N1610</a></td>
Michael J. Spencer45b636a2011-11-02 06:29:37 +0000[diff] [blame]75 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]76 </tr>
77 <tr>
78 <td>Non-static data member initializers</td>
79 <td><a href="http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2008/n2756.htm">N2756</a></td>
Benjamin Kramer8398bdb2011-11-05 10:11:36 +0000[diff] [blame]80 <td class="full" align="center">Clang 3.0</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]81 </tr>
82 <tr>
83 <td>Variadic templates</td>
84 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2242.pdf">N2242</a></td>
Michael J. Spencer45b636a2011-11-02 06:29:37 +0000[diff] [blame]85 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]86 </tr>
87 <tr>
88 <td>&nbsp;&nbsp;&nbsp;&nbsp;Extending variadic template template parameters</td>
89 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2555.pdf">N2555</a></td>
Michael J. Spencer45b636a2011-11-02 06:29:37 +0000[diff] [blame]90 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]91 </tr>
92 <tr>
93 <td>Initializer lists</td>
94 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2672.htm">N2672</a></td>
Richard Smith24fd6c82012-05-23 01:38:11 +0000[diff] [blame]95 <td class="full" align="center">Clang 3.1</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]96 </tr>
97 <tr>
98 <td>Static assertions</td>
99 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2004/n1720.html">N1720</a></td>
Michael J. Spencer45b636a2011-11-02 06:29:37 +0000[diff] [blame]100 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]101 </tr>
102 <tr>
103 <td><code>auto</code>-typed variables</td>
104 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2006/n1984.pdf">N1984</a></td>
Michael J. Spencer45b636a2011-11-02 06:29:37 +0000[diff] [blame]105 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]106 </tr>
107 <tr>
108 <td>&nbsp;&nbsp;&nbsp;&nbsp;Multi-declarator <code>auto</code></td>
109 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2004/n1737.pdf">N1737</a></td>
Michael J. Spencer45b636a2011-11-02 06:29:37 +0000[diff] [blame]110 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]111 </tr>
112 <tr>
113 <td>&nbsp;&nbsp;&nbsp;&nbsp;Removal of auto as a storage-class specifier</td>
114 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2546.htm">N2546</a></td>
Michael J. Spencer45b636a2011-11-02 06:29:37 +0000[diff] [blame]115 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]116 </tr>
117 <tr>
118 <td>&nbsp;&nbsp;&nbsp;&nbsp;New function declarator syntax</td>
119 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2541.htm">N2541</a></td>
Michael J. Spencer45b636a2011-11-02 06:29:37 +0000[diff] [blame]120 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]121 </tr>
122 <tr>
Douglas Gregor7c07e962012-02-23 03:02:32 +0000[diff] [blame]123 <td>Lambda expressions</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]124 <td><a href="http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2009/n2927.pdf">N2927</a></td>
Richard Smith24fd6c82012-05-23 01:38:11 +0000[diff] [blame]125 <td class="full" align="center">Clang 3.1</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]126 </tr>
127 <tr>
128 <td>Declared type of an expression</td>
129 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2343.pdf">N2343</a></td>
Michael J. Spencer45b636a2011-11-02 06:29:37 +0000[diff] [blame]130 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]131 </tr>
132 <tr>
Douglas Gregor316551f2012-04-10 20:00:33 +0000[diff] [blame]133 <td>&nbsp;&nbsp;&nbsp;&nbsp;Incomplete return types</td>
134 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2011/n3276.pdf">N3276</a></td>
Richard Smith24fd6c82012-05-23 01:38:11 +0000[diff] [blame]135 <td class="full" align="center">Clang 3.1</td>
Douglas Gregor316551f2012-04-10 20:00:33 +0000[diff] [blame]136 </tr>
137 <tr>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]138 <td>Right angle brackets</td>
139 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2005/n1757.html">N1757</a></td>
Michael J. Spencer45b636a2011-11-02 06:29:37 +0000[diff] [blame]140 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]141 </tr>
142 <tr>
143 <td>Default template arguments for function templates</td>
144 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#226">DR226</a></td>
Michael J. Spencer45b636a2011-11-02 06:29:37 +0000[diff] [blame]145 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]146 </tr>
147 <tr>
148 <td>Solving the SFINAE problem for expressions</td>
149 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2634.html">DR339</a></td>
Michael J. Spencer45b636a2011-11-02 06:29:37 +0000[diff] [blame]150 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]151 </tr>
152 <tr>
153 <td>Alias templates</td>
154 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2258.pdf">N2258</a></td>
Michael J. Spencer45b636a2011-11-02 06:29:37 +0000[diff] [blame]155 <td class="full" align="center">Clang 3.0</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]156 </tr>
157 <tr>
158 <td>Extern templates</td>
159 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2006/n1987.htm">N1987</a></td>
Michael J. Spencer45b636a2011-11-02 06:29:37 +0000[diff] [blame]160 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]161 </tr>
162 <tr>
163 <td>Null pointer constant</td>
164 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2431.pdf">N2431</a></td>
Michael J. Spencer45b636a2011-11-02 06:29:37 +0000[diff] [blame]165 <td class="full" align="center">Clang 3.0</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]166 </tr>
167 <tr>
168 <td>Strongly-typed enums</td>
169 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2347.pdf">N2347</a></td>
Michael J. Spencer45b636a2011-11-02 06:29:37 +0000[diff] [blame]170 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]171 </tr>
172 <tr>
173 <td>Forward declarations for enums</td>
Richard Smithf1c66b42012-03-14 23:13:10 +0000[diff] [blame]174 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2764.pdf">N2764</a>
175 <br><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#1206">DR1206</a></td>
Richard Smith24fd6c82012-05-23 01:38:11 +0000[diff] [blame]176 <td class="full" align="center">Clang 3.1</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]177 </tr>
178 <tr>
179 <td>Generalized attributes</td>
180 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2761.pdf">N2761</a></td>
Richard Smith896e42d2013-03-12 19:56:09 +0000[diff] [blame]181 <td class="svn" align="center">SVN <a href="#n2761">(1)</a></td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]182 </tr>
183 <tr>
184 <td>Generalized constant expressions</td>
185 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2235.pdf">N2235</a></td>
Richard Smith24fd6c82012-05-23 01:38:11 +0000[diff] [blame]186 <td class="full" align="center">Clang 3.1</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]187 </tr>
188 <tr>
189 <td>Alignment support</td>
190 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2341.pdf">N2341</a></td>
Richard Smith14416322013-02-22 09:31:00 +0000[diff] [blame]191 <td class="svn" align="center">SVN</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]192 </tr>
193 <!-- Skipped N1627: Conditionally-support behavior -->
194 <!-- Skipped N1727: Changing Undefined Behavior into Diagnosable Errors -->
195 <tr>
196 <td>Delegating constructors</td>
197 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2006/n1986.pdf">N1986</a></td>
Benjamin Kramer8398bdb2011-11-05 10:11:36 +0000[diff] [blame]198 <td class="full" align="center">Clang 3.0</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]199 </tr>
200 <tr>
201 <td>Inheriting constructors</td>
202 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2540.htm">N2540</a></td>
Richard Smith0b0ca472013-04-10 06:11:48 +0000[diff] [blame]203 <td class="svn" align="center">SVN</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]204 </tr>
205 <tr>
206 <td>Explicit conversion operators</td>
207 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2437.pdf">N2437</a></td>
Michael J. Spencer45b636a2011-11-02 06:29:37 +0000[diff] [blame]208 <td class="full" align="center">Clang 3.0</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]209 </tr>
210 <tr>
211 <td>New character types</td>
212 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2249.html">N2249</a></td>
Michael J. Spencer45b636a2011-11-02 06:29:37 +0000[diff] [blame]213 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]214 </tr>
215 <tr>
216 <td>Unicode string literals</td>
217 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2442.htm">N2442</a></td>
Michael J. Spencer45b636a2011-11-02 06:29:37 +0000[diff] [blame]218 <td class="full" align="center">Clang 3.0</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]219 </tr>
220 <tr>
221 <td>Raw string literals</td>
222 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2442.htm">N2442</a></td>
Michael J. Spencer45b636a2011-11-02 06:29:37 +0000[diff] [blame]223 <td class="full" align="center">Clang 3.0</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]224 </tr>
225 <tr>
Richard Smith26b75c02012-03-09 22:27:51 +0000[diff] [blame]226 <td>Universal character names in literals</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]227 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2170.html">N2170</a></td>
Richard Smith24fd6c82012-05-23 01:38:11 +0000[diff] [blame]228 <td class="full" align="center">Clang 3.1</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]229 </tr>
230 <tr>
231 <td>User-defined literals</td>
232 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2765.pdf">N2765</a></td>
Richard Smith24fd6c82012-05-23 01:38:11 +0000[diff] [blame]233 <td class="full" align="center">Clang 3.1</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]234 </tr>
235 <tr>
236 <td>Standard Layout Types</td>
237 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2342.htm">N2342</a></td>
Michael J. Spencer45b636a2011-11-02 06:29:37 +0000[diff] [blame]238 <td class="full" align="center">Clang 3.0</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]239 </tr>
240 <tr>
Douglas Gregor26bae202011-10-28 19:44:09 +0000[diff] [blame]241 <td>Defaulted functions</td>
242 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2346.htm">N2346</a></td>
Michael J. Spencer45b636a2011-11-02 06:29:37 +0000[diff] [blame]243 <td class="full" align="center">Clang 3.0</td>
Douglas Gregor26bae202011-10-28 19:44:09 +0000[diff] [blame]244 </tr>
245 <tr>
246 <td>Deleted functions</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]247 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2346.htm">N2346</a></td>
Michael J. Spencer45b636a2011-11-02 06:29:37 +0000[diff] [blame]248 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]249 </tr>
250 <tr>
251 <td>Extended friend declarations</td>
252 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2005/n1791.pdf">N1791</a></td>
Michael J. Spencer45b636a2011-11-02 06:29:37 +0000[diff] [blame]253 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]254 </tr>
255 <tr>
256 <td>Extending <code>sizeof</code></td>
Richard Smitha5ec58d2012-02-24 18:37:14 +0000[diff] [blame]257 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2253.html">N2253</a>
258 <br><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#850">DR850</a></td>
Richard Smith24fd6c82012-05-23 01:38:11 +0000[diff] [blame]259 <td class="full" align="center">Clang 3.1</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]260 </tr>
261 <tr>
262 <td>Inline namespaces</td>
263 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2535.htm">N2535</a></td>
Michael J. Spencer45b636a2011-11-02 06:29:37 +0000[diff] [blame]264 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]265 </tr>
266 <tr>
267 <td>Unrestricted unions</td>
268 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2544.pdf">N2544</a></td>
Richard Smith24fd6c82012-05-23 01:38:11 +0000[diff] [blame]269 <td class="full" align="center">Clang 3.1</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]270 </tr>
271 <tr>
272 <td>Local and unnamed types as template arguments</td>
273 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm">N2657</a></td>
Michael J. Spencer45b636a2011-11-02 06:29:37 +0000[diff] [blame]274 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]275 </tr>
276 <tr>
277 <td>Range-based for</td>
278 <td><a href="http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2009/n2930.html">N2930</a></td>
Michael J. Spencer45b636a2011-11-02 06:29:37 +0000[diff] [blame]279 <td class="full" align="center">Clang 3.0</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]280 </tr>
281 <tr>
282 <td>Explicit virtual overrides</td>
283 <td><a href="http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2009/n2928.htm">N2928</a>
Richard Smitha5ec58d2012-02-24 18:37:14 +0000[diff] [blame]284 <br><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2010/n3206.htm">N3206</a>
285 <br><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2011/n3272.htm">N3272</a></td>
Michael J. Spencer45b636a2011-11-02 06:29:37 +0000[diff] [blame]286 <td class="full" align="center">Clang 3.0</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]287 </tr>
288 <tr>
289 <td>Minimal support for garbage collection and reachability-based leak detection</td>
290 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2670.htm">N2670</a></td>
Richard Smith15dcec72012-03-11 03:06:00 +0000[diff] [blame]291 <td class="na" align="center">N/A</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]292 </tr>
293 <tr>
294 <td>Allowing move constructors to throw [noexcept]</td>
David Blaikieb09a33c2011-11-02 15:13:40 +0000[diff] [blame]295 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2010/n3050.html">N3050</a></td>
Michael J. Spencer45b636a2011-11-02 06:29:37 +0000[diff] [blame]296 <td class="full" align="center">Clang 3.0</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]297 </tr>
298 <tr>
299 <td>Defining move special member functions</td>
David Blaikieb09a33c2011-11-02 15:13:40 +0000[diff] [blame]300 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2010/n3053.html">N3053</a></td>
Michael J. Spencer45b636a2011-11-02 06:29:37 +0000[diff] [blame]301 <td class="full" align="center">Clang 3.0</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]302 </tr>
Cedric Venet3d658642009-02-14 20:20:19 +0000[diff] [blame]303
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]304 <tr class="separator">
Benjamin Kramer8398bdb2011-11-05 10:11:36 +0000[diff] [blame]305 <th align="center" colspan="3">Concurrency</th>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]306 </tr>
307 <tr>
308 <td>Sequence points</td>
309 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2239.html">N2239</a></td>
Richard Smith52a92502013-01-29 04:55:18 +0000[diff] [blame]310 <td class="svn" align="center">SVN</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]311 </tr>
312 <tr>
313 <td>Atomic operations</td>
314 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2427.html">N2427</a></td>
Richard Smith24fd6c82012-05-23 01:38:11 +0000[diff] [blame]315 <td class="full" align="center">Clang 3.1</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]316 </tr>
317 <tr>
318 <td>Strong Compare and Exchange</td>
319 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2748.html">N2748</a></td>
Richard Smith896e42d2013-03-12 19:56:09 +0000[diff] [blame]320 <td class="full" align="center">Clang 3.1 <a href="#n2748">(2)</a></td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]321 </tr>
322 <tr>
323 <td>Bidirectional Fences</td>
324 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2752.htm">N2752</a></td>
Richard Smith24fd6c82012-05-23 01:38:11 +0000[diff] [blame]325 <td class="full" align="center">Clang 3.1</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]326 </tr>
Douglas Gregor08765a92010-12-21 05:43:31 +0000[diff] [blame]327
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]328 <tr>
329 <td>Memory model</td>
330 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2429.htm">N2429</a></td>
Richard Smith52a92502013-01-29 04:55:18 +0000[diff] [blame]331 <td class="full" align="center">Clang 3.2</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]332 </tr>
333 <tr>
334 <td>Data-dependency ordering: atomics and memory model</td>
335 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2664.htm">N2664</a></td>
Richard Smith896e42d2013-03-12 19:56:09 +0000[diff] [blame]336 <td class="full" align="center">Clang 3.2 <a href="#n2664">(3)</a></td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]337 </tr>
338 <tr>
339 <td>Propagating exceptions</td>
340 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2179.html">N2179</a></td>
Michael J. Spencer45b636a2011-11-02 06:29:37 +0000[diff] [blame]341 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]342 </tr>
343 <tr>
344 <td>Abandoning a process and at_quick_exit</td>
345 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2440.htm">N2440</a></td>
Richard Smith9d4e87e2012-04-13 01:02:19 +0000[diff] [blame]346 <td class="na" align="center">N/A</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]347 </tr>
348 <tr>
349 <td>Allow atomics use in signal handlers</td>
350 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2547.htm">N2547</a></td>
Richard Smith24fd6c82012-05-23 01:38:11 +0000[diff] [blame]351 <td class="full" align="center">Clang 3.1</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]352 </tr>
353 <tr>
354 <td>Thread-local storage</td>
355 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2659.htm">N2659</a></td>
Richard Smithe6e68b52013-04-19 17:00:31 +0000[diff] [blame]356 <td class="svn" align="center">SVN</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]357 </tr>
358 <tr>
359 <td>Dynamic initialization and destruction with concurrency</td>
360 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2660.htm">N2660</a></td>
Richard Smith14416322013-02-22 09:31:00 +0000[diff] [blame]361 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]362 </tr>
Cedric Venet3d658642009-02-14 20:20:19 +0000[diff] [blame]363
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]364 <tr class="separator">
Richard Smith1e409d82012-02-24 18:42:08 +0000[diff] [blame]365 <th align="center" colspan="3">C99 Features in C++11</th>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]366 </tr>
367 <tr>
368 <td><code>__func__</code> predefined identifier</td>
369 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2340.htm">N2340</a></td>
Michael J. Spencer45b636a2011-11-02 06:29:37 +0000[diff] [blame]370 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]371 </tr>
372 <tr>
373 <td>C99 preprocessor</td>
374 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2004/n1653.htm">N1653</a></td>
Michael J. Spencer45b636a2011-11-02 06:29:37 +0000[diff] [blame]375 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]376 </tr>
377 <tr>
378 <td><code>long long</code></td>
379 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2005/n1811.pdf">N1811</a></td>
Michael J. Spencer45b636a2011-11-02 06:29:37 +0000[diff] [blame]380 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]381 </tr>
382 <tr>
383 <td>Extended integral types</td>
384 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2006/n1988.pdf">N1988</a></td>
Richard Smith71434a82013-03-18 21:44:56 +0000[diff] [blame]385 <td class="na" align="center">N/A <a href="#n1988">(4)</a></td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]386 </tr>
Cedric Venet3d658642009-02-14 20:20:19 +0000[diff] [blame]387</table>
Richard Smith896e42d2013-03-12 19:56:09 +0000[diff] [blame]388
389<p>
390<span id="n2761">(1): The <code>[[carries_dependency]]</code> attribute
Richard Smithf72663f2013-03-18 21:57:52 +0000[diff] [blame]391has no effect.</span><br>
Richard Smith896e42d2013-03-12 19:56:09 +0000[diff] [blame]392<span id="n2748">(2): All compare-exchange operations are emitted as
Richard Smithf72663f2013-03-18 21:57:52 +0000[diff] [blame]393strong compare-exchanges.</span><br>
Richard Smith896e42d2013-03-12 19:56:09 +0000[diff] [blame]394<span id="n2664">(3): <code>memory_order_consume</code> is lowered to
Richard Smithf72663f2013-03-18 21:57:52 +0000[diff] [blame]395<code>memory_order_acquire</code>.</span><br>
Richard Smith71434a82013-03-18 21:44:56 +0000[diff] [blame]396<span id="n1988">(4): <code>__int128</code> is not treated as an extended
397integer type, because changing <code>intmax_t</code> would be an
398ABI-incompatible change.</span>
Richard Smith896e42d2013-03-12 19:56:09 +0000[diff] [blame]399</p>
400
Richard Smithaff7d352013-04-19 17:27:48 +0000[diff] [blame]401<h2 id="cxx14">C++1y implementation status</h2>
402
403<p>Clang is introducing support for the upcoming C++ language standard,
404provisionally named C++1y. The following table describes which C++1y features
405have been implemented in Clang and in which Clang version they became
406available.</p>
407
Richard Smith7dc88642013-04-20 13:22:50 +0000[diff] [blame]408<p>Note: many of the links to papers here will not work until the
409ISO/IEC JTC1/SC22/WG21 post-Bristol mailing ships.</p>
410
Richard Smithaff7d352013-04-19 17:27:48 +0000[diff] [blame]411<table width="689" border="1" cellspacing="0">
412 <tr>
413 <th>Language Feature</th>
414 <th>C++1y Proposal</th>
415 <th>Available in Clang?</th>
416 </tr>
417 <tr>
418 <td>Tweak to certain C++ contextual conversions</td>
419 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2012/n3323.pdf">N3323</a></td>
420 <td class="none" align="center">No</td>
421 </tr>
422 <tr>
Richard Smith408de432013-04-20 12:44:32 +0000[diff] [blame]423 <td>Binary literals</td>
Richard Smithaff7d352013-04-19 17:27:48 +0000[diff] [blame]424 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2012/n3472.pdf">N3472</a></td>
Richard Smith2fcf0de2013-04-19 20:47:20 +0000[diff] [blame]425 <td class="full" align="center">Yes</td>
Richard Smithaff7d352013-04-19 17:27:48 +0000[diff] [blame]426 </tr>
427 <tr>
Richard Smith96ba7c72013-04-20 12:47:36 +0000[diff] [blame]428 <td>Return type deduction for normal functions</td>
429 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3638.html">N3638</a></td>
430 <td class="none" align="center">No</td>
431 </tr>
432 <tr>
Richard Smitheb9ddc52013-04-20 13:20:33 +0000[diff] [blame]433 <td>Runtime-sized arrays with automatic storage duration</td>
Richard Smith408de432013-04-20 12:44:32 +0000[diff] [blame]434 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3639.html">N3639</a></td>
435 <td class="none" align="center">Partial</td>
436 </tr>
437 <tr>
Richard Smith96ba7c72013-04-20 12:47:36 +0000[diff] [blame]438 <td>Initialized lambda captures</td>
Richard Smithaff7d352013-04-19 17:27:48 +0000[diff] [blame]439 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3648.html">N3648</a></td>
440 <td class="none" align="center">No</td>
441 </tr>
442 <tr>
Richard Smithbb2d3782013-04-20 12:58:57 +0000[diff] [blame]443 <td>Generic lambdas</td>
Richard Smithaff7d352013-04-19 17:27:48 +0000[diff] [blame]444 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3649.html">N3649</a></td>
445 <td class="none" align="center">No</td>
446 </tr>
447 <tr>
Richard Smithbb2d3782013-04-20 12:58:57 +0000[diff] [blame]448 <td>Variable templates</td>
Richard Smithaff7d352013-04-19 17:27:48 +0000[diff] [blame]449 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3651.pdf">N3651</a></td>
450 <td class="none" align="center">No</td>
451 </tr>
452 <tr>
Richard Smith05a73f62013-04-20 12:49:36 +0000[diff] [blame]453 <td>Relaxing requirements on constexpr functions</td>
Richard Smithaff7d352013-04-19 17:27:48 +0000[diff] [blame]454 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3652.html">N3652</a></td>
455 <td class="none" align="center">No</td>
456 </tr>
457 <tr>
Richard Smith96ba7c72013-04-20 12:47:36 +0000[diff] [blame]458 <td>Member initializers and aggregates</td>
Richard Smithaff7d352013-04-19 17:27:48 +0000[diff] [blame]459 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3653.html">N3653</a></td>
Richard Smithc3bf52c2013-04-20 22:23:05 +0000[diff] [blame]460 <td class="svn" align="center">SVN</td>
Richard Smithaff7d352013-04-19 17:27:48 +0000[diff] [blame]461 </tr>
Richard Smithaff7d352013-04-19 17:27:48 +0000[diff] [blame]462 <tr>
Richard Smith8e95e302013-04-20 12:57:49 +0000[diff] [blame]463 <td>Clarifying memory allocation</td>
Richard Smithaff7d352013-04-19 17:27:48 +0000[diff] [blame]464 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3664.html">N3664</a></td>
Richard Smitheb9ddc52013-04-20 13:20:33 +0000[diff] [blame]465 <td class="none" align="center">Partial</td>
Richard Smithaff7d352013-04-19 17:27:48 +0000[diff] [blame]466 </tr>
467</table>
468
Cedric Venet3d658642009-02-14 20:20:19 +0000[diff] [blame]469</div>
470</body>
471</html>