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Stephen Hinesc568f1e2014-07-21 00:47:37 -0700[diff] [blame]6 <title>Clang - C++1z, C++14, C++11 and C++98 Status</title>
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25<!--*************************************************************************-->
Stephen Hinesc568f1e2014-07-21 00:47:37 -0700[diff] [blame]26<h1>C++ Support in Clang</h1>
Cedric Venet3d658642009-02-14 20:20:19 +0000[diff] [blame]27<!--*************************************************************************-->
Douglas Gregor4c9b68f2009-06-27 19:33:58 +0000[diff] [blame]28<p>Last updated: $Date$</p>
Cedric Venet3d658642009-02-14 20:20:19 +0000[diff] [blame]29
Stephen Hines651f13c2014-04-23 16:59:28 -0700[diff] [blame]30<p>Clang fully implements all published ISO C++ standards including <a
Stephen Hines176edba2014-12-01 14:53:08 -0800[diff] [blame]31href="#cxx11">C++11</a>, as well as the upcoming <a
32href="#cxx14">C++14</a> standard, and some parts of the fledgling <a
Stephen Hinesc568f1e2014-07-21 00:47:37 -0700[diff] [blame]33href="#cxx17">C++1z</a> standard,
34and is considered a production-quality C++ compiler.
Stephen Hines651f13c2014-04-23 16:59:28 -0700[diff] [blame]35
36<p>The Clang community is continually striving to improve C++ standards
37compliance between releases by submitting and tracking <a
38href="cxx_dr_status.html">C++ Defect Reports</a> and implementing resolutions
39as they become available.</p>
40
41<p>Experimental work is also under way to implement <a href="#ts">C++ Technical
42Specifications</a> that will help drive the future of the C++ programming
43language.</p>
44
45<p>The <a href="http://llvm.org/bugs/">LLVM bug tracker</a> contains Clang
46C++ components that track known bugs with Clang's language conformance in
47each language mode.</p>
48
Richard Smith1e409d82012-02-24 18:42:08 +0000[diff] [blame]49<h2 id="cxx98">C++98 implementation status</h2>
50
Stephen Hines651f13c2014-04-23 16:59:28 -0700[diff] [blame]51<p>Clang implements all of the ISO C++ 1998 standard
Douglas Gregor8c327082011-07-21 17:46:15 +0000[diff] [blame]52 (including the defects addressed in the ISO C++ 2003 standard)
Stephen Hinesc568f1e2014-07-21 00:47:37 -0700[diff] [blame]53 except for <tt>export</tt> (which was removed in C++11).
Douglas Gregor57f1a002010-02-05 23:51:14 +0000[diff] [blame]54
Richard Smith1e409d82012-02-24 18:42:08 +0000[diff] [blame]55<h2 id="cxx11">C++11 implementation status</h2>
Chris Lattner900e32d2010-05-21 20:59:40 +0000[diff] [blame]56
Stephen Hinesc568f1e2014-07-21 00:47:37 -0700[diff] [blame]57 <p>Clang 3.3 and later implement all of the <a
Richard Smithe6e68b52013-04-19 17:00:31 +0000[diff] [blame]58 href="http://www.iso.org/iso/iso_catalogue/catalogue_tc/catalogue_detail.htm?csnumber=50372">ISO
59 C++ 2011 standard</a>. The following table describes the Clang version
60 in which each feature became available.</p>
Chris Lattner900e32d2010-05-21 20:59:40 +0000[diff] [blame]61
Richard Smith11fd5b12013-03-10 00:11:00 +0000[diff] [blame]62<p>By default, Clang builds C++ code according to the C++98 standard, with many
63C++11 features accepted as extensions. You can use Clang in C++11 mode with the
64<code>-std=c++11</code> option. Clang's C++11 mode can be used
65with <a href="http://libcxx.llvm.org/">libc++</a> or with gcc's libstdc++, but
66patches 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]67work with Clang in C++11 mode. Patches are also needed to make
Richard Smithb6972e62013-11-05 09:12:55 +0000[diff] [blame]68<a href="libstdc++4.6-clang11.patch">libstdc++-4.6</a>
Richard Smithb5b37d12012-10-23 00:32:41 +0000[diff] [blame]69and <a href="libstdc++4.7-clang11.patch">libstdc++-4.7</a> work with Clang
Richard Smithe6e68b52013-04-19 17:00:31 +0000[diff] [blame]70releases prior to version 3.2 in C++11 mode. <tt>thread_local</tt> support
Stephen Hines651f13c2014-04-23 16:59:28 -0700[diff] [blame]71currently requires the C++ runtime library from g++-4.8 or later.</p>
Jeffrey Yasskin46ba01a2011-03-29 22:27:50 +0000[diff] [blame]72
Cedric Venet3d658642009-02-14 20:20:19 +0000[diff] [blame]73<table width="689" border="1" cellspacing="0">
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]74 <tr>
Benjamin Kramer8398bdb2011-11-05 10:11:36 +0000[diff] [blame]75 <th>Language Feature</th>
Richard Smith1e409d82012-02-24 18:42:08 +0000[diff] [blame]76 <th>C++11 Proposal</th>
Benjamin Kramer8398bdb2011-11-05 10:11:36 +0000[diff] [blame]77 <th>Available in Clang?</th>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]78 </tr>
79 <tr>
80 <td>Rvalue references</td>
81 <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]82 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]83 </tr>
84 <tr>
85 <td>&nbsp;&nbsp;&nbsp;&nbsp;Rvalue references for <code>*this</code></td>
86 <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]87 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]88 </tr>
89 <tr>
90 <td>Initialization of class objects by rvalues</td>
91 <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]92 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]93 </tr>
94 <tr>
95 <td>Non-static data member initializers</td>
96 <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]97 <td class="full" align="center">Clang 3.0</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]98 </tr>
99 <tr>
100 <td>Variadic templates</td>
101 <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]102 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]103 </tr>
104 <tr>
105 <td>&nbsp;&nbsp;&nbsp;&nbsp;Extending variadic template template parameters</td>
106 <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]107 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]108 </tr>
109 <tr>
110 <td>Initializer lists</td>
111 <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]112 <td class="full" align="center">Clang 3.1</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]113 </tr>
114 <tr>
115 <td>Static assertions</td>
116 <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]117 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]118 </tr>
119 <tr>
120 <td><code>auto</code>-typed variables</td>
121 <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]122 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]123 </tr>
124 <tr>
125 <td>&nbsp;&nbsp;&nbsp;&nbsp;Multi-declarator <code>auto</code></td>
126 <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]127 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]128 </tr>
129 <tr>
130 <td>&nbsp;&nbsp;&nbsp;&nbsp;Removal of auto as a storage-class specifier</td>
131 <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]132 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]133 </tr>
134 <tr>
135 <td>&nbsp;&nbsp;&nbsp;&nbsp;New function declarator syntax</td>
136 <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]137 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]138 </tr>
139 <tr>
Douglas Gregor7c07e962012-02-23 03:02:32 +0000[diff] [blame]140 <td>Lambda expressions</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]141 <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]142 <td class="full" align="center">Clang 3.1</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]143 </tr>
144 <tr>
145 <td>Declared type of an expression</td>
146 <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]147 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]148 </tr>
149 <tr>
Douglas Gregor316551f2012-04-10 20:00:33 +0000[diff] [blame]150 <td>&nbsp;&nbsp;&nbsp;&nbsp;Incomplete return types</td>
151 <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]152 <td class="full" align="center">Clang 3.1</td>
Douglas Gregor316551f2012-04-10 20:00:33 +0000[diff] [blame]153 </tr>
154 <tr>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]155 <td>Right angle brackets</td>
156 <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]157 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]158 </tr>
159 <tr>
160 <td>Default template arguments for function templates</td>
161 <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]162 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]163 </tr>
164 <tr>
165 <td>Solving the SFINAE problem for expressions</td>
166 <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]167 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]168 </tr>
169 <tr>
170 <td>Alias templates</td>
171 <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]172 <td class="full" align="center">Clang 3.0</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]173 </tr>
174 <tr>
175 <td>Extern templates</td>
176 <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]177 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]178 </tr>
179 <tr>
180 <td>Null pointer constant</td>
181 <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]182 <td class="full" align="center">Clang 3.0</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]183 </tr>
184 <tr>
185 <td>Strongly-typed enums</td>
186 <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]187 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]188 </tr>
189 <tr>
190 <td>Forward declarations for enums</td>
Richard Smithf1c66b42012-03-14 23:13:10 +0000[diff] [blame]191 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2764.pdf">N2764</a>
192 <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]193 <td class="full" align="center">Clang 3.1</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]194 </tr>
195 <tr>
Stephen Hines651f13c2014-04-23 16:59:28 -0700[diff] [blame]196 <td>Standardized attribute syntax</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]197 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2761.pdf">N2761</a></td>
Richard Smith02344ac2013-06-17 23:54:23 +0000[diff] [blame]198 <td class="full" align="center">Clang 3.3 <a href="#n2761">(1)</a></td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]199 </tr>
200 <tr>
201 <td>Generalized constant expressions</td>
202 <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]203 <td class="full" align="center">Clang 3.1</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]204 </tr>
205 <tr>
206 <td>Alignment support</td>
207 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2341.pdf">N2341</a></td>
Richard Smith02344ac2013-06-17 23:54:23 +0000[diff] [blame]208 <td class="full" align="center">Clang 3.3</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]209 </tr>
Stephen Hines651f13c2014-04-23 16:59:28 -0700[diff] [blame]210 <tr>
211 <td>Conditionally-support behavior</td>
212 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2004/n1627.pdf">N1627</a></td>
213 <td class="full" align="center">Clang 2.9</td>
214 </tr>
215 <tr>
216 <td>Changing undefined behavior into diagnosable errors</td>
217 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2004/n1727.pdf">N1727</a></td>
218 <td class="full" align="center">Clang 2.9</td>
219 </tr>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]220 <tr>
221 <td>Delegating constructors</td>
222 <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]223 <td class="full" align="center">Clang 3.0</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]224 </tr>
225 <tr>
226 <td>Inheriting constructors</td>
227 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2540.htm">N2540</a></td>
Richard Smith02344ac2013-06-17 23:54:23 +0000[diff] [blame]228 <td class="full" align="center">Clang 3.3</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]229 </tr>
230 <tr>
231 <td>Explicit conversion operators</td>
232 <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]233 <td class="full" align="center">Clang 3.0</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]234 </tr>
235 <tr>
236 <td>New character types</td>
237 <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]238 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]239 </tr>
240 <tr>
241 <td>Unicode string literals</td>
242 <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]243 <td class="full" align="center">Clang 3.0</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]244 </tr>
245 <tr>
246 <td>Raw string literals</td>
247 <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]248 <td class="full" align="center">Clang 3.0</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]249 </tr>
250 <tr>
Richard Smith26b75c02012-03-09 22:27:51 +0000[diff] [blame]251 <td>Universal character names in literals</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]252 <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]253 <td class="full" align="center">Clang 3.1</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]254 </tr>
255 <tr>
256 <td>User-defined literals</td>
257 <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]258 <td class="full" align="center">Clang 3.1</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]259 </tr>
260 <tr>
261 <td>Standard Layout Types</td>
262 <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]263 <td class="full" align="center">Clang 3.0</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]264 </tr>
265 <tr>
Douglas Gregor26bae202011-10-28 19:44:09 +0000[diff] [blame]266 <td>Defaulted functions</td>
267 <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]268 <td class="full" align="center">Clang 3.0</td>
Douglas Gregor26bae202011-10-28 19:44:09 +0000[diff] [blame]269 </tr>
270 <tr>
271 <td>Deleted functions</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]272 <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]273 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]274 </tr>
275 <tr>
276 <td>Extended friend declarations</td>
277 <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]278 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]279 </tr>
280 <tr>
281 <td>Extending <code>sizeof</code></td>
Richard Smitha5ec58d2012-02-24 18:37:14 +0000[diff] [blame]282 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2253.html">N2253</a>
283 <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]284 <td class="full" align="center">Clang 3.1</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]285 </tr>
286 <tr>
287 <td>Inline namespaces</td>
288 <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]289 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]290 </tr>
291 <tr>
292 <td>Unrestricted unions</td>
293 <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]294 <td class="full" align="center">Clang 3.1</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]295 </tr>
296 <tr>
297 <td>Local and unnamed types as template arguments</td>
298 <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]299 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]300 </tr>
301 <tr>
302 <td>Range-based for</td>
303 <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]304 <td class="full" align="center">Clang 3.0</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]305 </tr>
306 <tr>
307 <td>Explicit virtual overrides</td>
308 <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]309 <br><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2010/n3206.htm">N3206</a>
310 <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]311 <td class="full" align="center">Clang 3.0</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]312 </tr>
313 <tr>
314 <td>Minimal support for garbage collection and reachability-based leak detection</td>
315 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2670.htm">N2670</a></td>
Stephen Hines651f13c2014-04-23 16:59:28 -0700[diff] [blame]316 <td class="na" align="center">N/A <a href="#n2670">(2)</a></td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]317 </tr>
318 <tr>
319 <td>Allowing move constructors to throw [noexcept]</td>
David Blaikieb09a33c2011-11-02 15:13:40 +0000[diff] [blame]320 <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]321 <td class="full" align="center">Clang 3.0</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]322 </tr>
323 <tr>
324 <td>Defining move special member functions</td>
David Blaikieb09a33c2011-11-02 15:13:40 +0000[diff] [blame]325 <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]326 <td class="full" align="center">Clang 3.0</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]327 </tr>
Cedric Venet3d658642009-02-14 20:20:19 +0000[diff] [blame]328
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]329 <tr class="separator">
Benjamin Kramer8398bdb2011-11-05 10:11:36 +0000[diff] [blame]330 <th align="center" colspan="3">Concurrency</th>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]331 </tr>
332 <tr>
333 <td>Sequence points</td>
334 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2239.html">N2239</a></td>
Richard Smith02344ac2013-06-17 23:54:23 +0000[diff] [blame]335 <td class="full" align="center">Clang 3.3</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]336 </tr>
337 <tr>
338 <td>Atomic operations</td>
339 <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]340 <td class="full" align="center">Clang 3.1</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]341 </tr>
342 <tr>
343 <td>Strong Compare and Exchange</td>
344 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2748.html">N2748</a></td>
Stephen Hines651f13c2014-04-23 16:59:28 -0700[diff] [blame]345 <td class="full" align="center">Clang 3.1 <a href="#n2748">(3)</a></td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]346 </tr>
347 <tr>
348 <td>Bidirectional Fences</td>
349 <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]350 <td class="full" align="center">Clang 3.1</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]351 </tr>
Douglas Gregor08765a92010-12-21 05:43:31 +0000[diff] [blame]352
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]353 <tr>
354 <td>Memory model</td>
355 <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]356 <td class="full" align="center">Clang 3.2</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]357 </tr>
358 <tr>
359 <td>Data-dependency ordering: atomics and memory model</td>
360 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2664.htm">N2664</a></td>
Stephen Hines651f13c2014-04-23 16:59:28 -0700[diff] [blame]361 <td class="full" align="center">Clang 3.2 <a href="#n2664">(4)</a></td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]362 </tr>
363 <tr>
364 <td>Propagating exceptions</td>
365 <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]366 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]367 </tr>
368 <tr>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]369 <td>Allow atomics use in signal handlers</td>
370 <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]371 <td class="full" align="center">Clang 3.1</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]372 </tr>
373 <tr>
374 <td>Thread-local storage</td>
375 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2659.htm">N2659</a></td>
Richard Smith02344ac2013-06-17 23:54:23 +0000[diff] [blame]376 <td class="full" align="center">Clang 3.3</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]377 </tr>
378 <tr>
379 <td>Dynamic initialization and destruction with concurrency</td>
380 <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]381 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]382 </tr>
Cedric Venet3d658642009-02-14 20:20:19 +0000[diff] [blame]383
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]384 <tr class="separator">
Richard Smith1e409d82012-02-24 18:42:08 +0000[diff] [blame]385 <th align="center" colspan="3">C99 Features in C++11</th>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]386 </tr>
387 <tr>
388 <td><code>__func__</code> predefined identifier</td>
389 <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]390 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]391 </tr>
392 <tr>
393 <td>C99 preprocessor</td>
394 <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]395 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]396 </tr>
397 <tr>
398 <td><code>long long</code></td>
399 <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]400 <td class="full" align="center">Clang 2.9</td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]401 </tr>
402 <tr>
403 <td>Extended integral types</td>
404 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2006/n1988.pdf">N1988</a></td>
Stephen Hines651f13c2014-04-23 16:59:28 -0700[diff] [blame]405 <td class="na" align="center">N/A <a href="#n1988">(5)</a></td>
Douglas Gregor43ac6d02011-10-14 23:21:49 +0000[diff] [blame]406 </tr>
Cedric Venet3d658642009-02-14 20:20:19 +0000[diff] [blame]407</table>
Richard Smith896e42d2013-03-12 19:56:09 +0000[diff] [blame]408
409<p>
410<span id="n2761">(1): The <code>[[carries_dependency]]</code> attribute
Richard Smithf72663f2013-03-18 21:57:52 +0000[diff] [blame]411has no effect.</span><br>
Stephen Hines651f13c2014-04-23 16:59:28 -0700[diff] [blame]412<span id="n2670">(2): No compiler changes are required for an implementation
413such as Clang that does not provide garbage collection.</span><br>
414<span id="n2748">(3): All compare-exchange operations are emitted as
Richard Smithf72663f2013-03-18 21:57:52 +0000[diff] [blame]415strong compare-exchanges.</span><br>
Stephen Hines651f13c2014-04-23 16:59:28 -0700[diff] [blame]416<span id="n2664">(4): <code>memory_order_consume</code> is lowered to
Richard Smithf72663f2013-03-18 21:57:52 +0000[diff] [blame]417<code>memory_order_acquire</code>.</span><br>
Stephen Hines651f13c2014-04-23 16:59:28 -0700[diff] [blame]418<span id="n1988">(5): No compiler changes are required for an implementation
419such as Clang that does not provide any extended integer types.
420<code>__int128</code> is not treated as an extended integer type,
421because changing <code>intmax_t</code> would be an ABI-incompatible
422change.</span>
Richard Smith896e42d2013-03-12 19:56:09 +0000[diff] [blame]423</p>
424
Stephen Hines176edba2014-12-01 14:53:08 -0800[diff] [blame]425<h2 id="cxx14">C++14 implementation status</h2>
Richard Smithaff7d352013-04-19 17:27:48 +0000[diff] [blame]426
Stephen Hinesc568f1e2014-07-21 00:47:37 -0700[diff] [blame]427<p>Clang 3.4 and later implement all of the Draft International Standard (see <a
428href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3797.pdf">most
429recent publicly available draft</a>)
Stephen Hines176edba2014-12-01 14:53:08 -0800[diff] [blame]430of the upcoming C++14 language standard. The following table describes the
431Clang version in which each feature became available.</p>
Richard Smithaff7d352013-04-19 17:27:48 +0000[diff] [blame]432
Stephen Hines176edba2014-12-01 14:53:08 -0800[diff] [blame]433<p>You can use Clang in C++14 mode with the <code>-std=c++14</code> option
434(use <code>-std=c++1y</code> in Clang 3.4 and earlier).</p>
Richard Smith7dc88642013-04-20 13:22:50 +0000[diff] [blame]435
Richard Smithaff7d352013-04-19 17:27:48 +0000[diff] [blame]436<table width="689" border="1" cellspacing="0">
437 <tr>
438 <th>Language Feature</th>
Stephen Hines176edba2014-12-01 14:53:08 -0800[diff] [blame]439 <th>C++14 Proposal</th>
Richard Smithaff7d352013-04-19 17:27:48 +0000[diff] [blame]440 <th>Available in Clang?</th>
441 </tr>
442 <tr>
443 <td>Tweak to certain C++ contextual conversions</td>
444 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2012/n3323.pdf">N3323</a></td>
Stephen Hines651f13c2014-04-23 16:59:28 -0700[diff] [blame]445 <td class="full" align="center">Clang 3.4</td>
Richard Smithaff7d352013-04-19 17:27:48 +0000[diff] [blame]446 </tr>
447 <tr>
Richard Smith408de432013-04-20 12:44:32 +0000[diff] [blame]448 <td>Binary literals</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/2012/n3472.pdf">N3472</a></td>
Stephen Hines0e2c34f2015-03-23 12:09:02 -0700[diff] [blame]450 <td class="full" align="center">Clang 2.9</td>
Richard Smithaff7d352013-04-19 17:27:48 +0000[diff] [blame]451 </tr>
452 <tr>
Richard Smitha2c36462013-04-26 16:15:35 +0000[diff] [blame]453 <td>decltype(auto)</td>
Richard Smith6f616292013-05-09 18:53:17 +0000[diff] [blame]454 <td rowspan=2 style="vertical-align:middle"><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3638.html">N3638</a></td>
Richard Smith02344ac2013-06-17 23:54:23 +0000[diff] [blame]455 <td class="full" align="center">Clang 3.3</td>
Richard Smitha2c36462013-04-26 16:15:35 +0000[diff] [blame]456 </tr>
457 <tr>
Richard Smith96ba7c72013-04-20 12:47:36 +0000[diff] [blame]458 <td>Return type deduction for normal functions</td>
Stephen Hines651f13c2014-04-23 16:59:28 -0700[diff] [blame]459 <td class="full" align="center">Clang 3.4</td>
Richard Smith96ba7c72013-04-20 12:47:36 +0000[diff] [blame]460 </tr>
Richard Smith408de432013-04-20 12:44:32 +0000[diff] [blame]461 <tr>
Richard Smith96ba7c72013-04-20 12:47:36 +0000[diff] [blame]462 <td>Initialized lambda captures</td>
Richard Smith6f616292013-05-09 18:53:17 +0000[diff] [blame]463 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3648.html">N3648</a></td>
Stephen Hines651f13c2014-04-23 16:59:28 -0700[diff] [blame]464 <td class="full" align="center">Clang 3.4</td>
Richard Smithaff7d352013-04-19 17:27:48 +0000[diff] [blame]465 </tr>
466 <tr>
Richard Smithbb2d3782013-04-20 12:58:57 +0000[diff] [blame]467 <td>Generic lambdas</td>
Richard Smith6f616292013-05-09 18:53:17 +0000[diff] [blame]468 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3649.html">N3649</a></td>
Stephen Hines651f13c2014-04-23 16:59:28 -0700[diff] [blame]469 <td class="full" align="center">Clang 3.4</td>
Richard Smithaff7d352013-04-19 17:27:48 +0000[diff] [blame]470 </tr>
471 <tr>
Richard Smithbb2d3782013-04-20 12:58:57 +0000[diff] [blame]472 <td>Variable templates</td>
Richard Smith6f616292013-05-09 18:53:17 +0000[diff] [blame]473 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3651.pdf">N3651</a></td>
Stephen Hines651f13c2014-04-23 16:59:28 -0700[diff] [blame]474 <td class="full" align="center">Clang 3.4</td>
Richard Smithaff7d352013-04-19 17:27:48 +0000[diff] [blame]475 </tr>
476 <tr>
Richard Smith05a73f62013-04-20 12:49:36 +0000[diff] [blame]477 <td>Relaxing requirements on constexpr functions</td>
Richard Smith6f616292013-05-09 18:53:17 +0000[diff] [blame]478 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3652.html">N3652</a></td>
Stephen Hines651f13c2014-04-23 16:59:28 -0700[diff] [blame]479 <td class="full" align="center">Clang 3.4</td>
Richard Smithaff7d352013-04-19 17:27:48 +0000[diff] [blame]480 </tr>
481 <tr>
Richard Smith96ba7c72013-04-20 12:47:36 +0000[diff] [blame]482 <td>Member initializers and aggregates</td>
Richard Smith6f616292013-05-09 18:53:17 +0000[diff] [blame]483 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3653.html">N3653</a></td>
Richard Smith02344ac2013-06-17 23:54:23 +0000[diff] [blame]484 <td class="full" align="center">Clang 3.3</td>
Richard Smithaff7d352013-04-19 17:27:48 +0000[diff] [blame]485 </tr>
Richard Smithaff7d352013-04-19 17:27:48 +0000[diff] [blame]486 <tr>
Richard Smith8e95e302013-04-20 12:57:49 +0000[diff] [blame]487 <td>Clarifying memory allocation</td>
Richard Smith6f616292013-05-09 18:53:17 +0000[diff] [blame]488 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3664.html">N3664</a></td>
Stephen Hines651f13c2014-04-23 16:59:28 -0700[diff] [blame]489 <td class="full" align="center">Clang 3.4</td>
Richard Smithaff7d352013-04-19 17:27:48 +0000[diff] [blame]490 </tr>
Richard Smithf9d2ccd2013-09-27 19:11:33 +0000[diff] [blame]491 <tr>
492 <td><tt>[[deprecated]]</tt> attribute</td>
493 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3760.html">N3760</a></td>
Stephen Hines651f13c2014-04-23 16:59:28 -0700[diff] [blame]494 <td class="full" align="center">Clang 3.4</td>
Richard Smithf9d2ccd2013-09-27 19:11:33 +0000[diff] [blame]495 </tr>
496 <tr>
497 <td>Single quotation mark as digit separator</td>
Richard Smith88407bb2013-11-05 08:27:00 +0000[diff] [blame]498 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3781.pdf">N3781</a></td>
Stephen Hines651f13c2014-04-23 16:59:28 -0700[diff] [blame]499 <td class="full" align="center">Clang 3.4</td>
Richard Smithf9d2ccd2013-09-27 19:11:33 +0000[diff] [blame]500 </tr>
501 <tr>
Benjamin Kramereb263e82013-09-27 19:35:09 +0000[diff] [blame]502 <td>C++ Sized Deallocation</td>
Richard Smith88407bb2013-11-05 08:27:00 +0000[diff] [blame]503 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3778.html">N3778</a></td>
Stephen Hines0e2c34f2015-03-23 12:09:02 -0700[diff] [blame]504 <td class="full" align="center">Clang 3.4 <a href="#n3778">(6)</a></td>
Richard Smithf9d2ccd2013-09-27 19:11:33 +0000[diff] [blame]505 </tr>
Richard Smithaff7d352013-04-19 17:27:48 +0000[diff] [blame]506</table>
Pirama Arumuga Nainar3ea9e332015-04-08 08:57:32 -0700[diff] [blame]507
Stephen Hines0e2c34f2015-03-23 12:09:02 -0700[diff] [blame]508<p>
Pirama Arumuga Nainar3ea9e332015-04-08 08:57:32 -0700[diff] [blame]509<span id="n3778">(6): In Clang 3.7 and later, sized deallocation is only enabled
510if the user passes the <code>-fsized-deallocation</code> flag. The user must
511supply definitions of the sized deallocation functions, either by providing them
512explicitly or by using a C++ standard library that does. <code>libstdc++</code>
513added these functions in version 5.0, and <code>libc++</code> added them in
514version 3.7.
Stephen Hines0e2c34f2015-03-23 12:09:02 -0700[diff] [blame]515</span>
516</p>
Richard Smithaff7d352013-04-19 17:27:48 +0000[diff] [blame]517
Richard Smith7dae9292013-11-07 06:41:26 +0000[diff] [blame]518<h2 id="cxx17">C++1z implementation status</h2>
519
Stephen Hinesc568f1e2014-07-21 00:47:37 -0700[diff] [blame]520<p>Clang has <b>highly experimental</b> support for some proposed features of
Stephen Hines176edba2014-12-01 14:53:08 -0800[diff] [blame]521the C++ standard following C++14,
Richard Smith7dae9292013-11-07 06:41:26 +0000[diff] [blame]522provisionally named C++1z. The following table describes which C++1z features
523have been implemented in Clang and in which Clang version they became
524available.</p>
525
Stephen Hinesc568f1e2014-07-21 00:47:37 -0700[diff] [blame]526<p>Note that support for these features may change or be removed without notice,
527as the draft C++1z standard evolves.</p>
528
Richard Smith7dae9292013-11-07 06:41:26 +0000[diff] [blame]529<p>You can use Clang in C++1z mode with the <code>-std=c++1z</code> option.</p>
Stephen Hinesc568f1e2014-07-21 00:47:37 -0700[diff] [blame]530
531<table width="689" border="1" cellspacing="0">
532 <tr>
533 <th>Language Feature</th>
534 <th>C++1z Proposal</th>
535 <th>Available in Clang?</th>
536 </tr>
Stephen Hines176edba2014-12-01 14:53:08 -0800[diff] [blame]537 <!-- Issaquah papers -->
Stephen Hinesc568f1e2014-07-21 00:47:37 -0700[diff] [blame]538 <tr>
539 <td><tt>static_assert</tt> with no message</td>
540 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n3928.pdf">N3928</a></td>
Stephen Hines176edba2014-12-01 14:53:08 -0800[diff] [blame]541 <td class="full" align="center">Clang 3.5</td>
Stephen Hinesc568f1e2014-07-21 00:47:37 -0700[diff] [blame]542 </tr>
Stephen Hines176edba2014-12-01 14:53:08 -0800[diff] [blame]543 <!-- Rapperswil papers -->
Stephen Hinesc568f1e2014-07-21 00:47:37 -0700[diff] [blame]544 <tr>
545 <td>Disabling trigraph expansion by default</td>
Stephen Hines0e2c34f2015-03-23 12:09:02 -0700[diff] [blame]546 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4086.html">N4086</a></td>
Stephen Hines176edba2014-12-01 14:53:08 -0800[diff] [blame]547 <td class="full" align="center">Clang 3.5</td>
Stephen Hinesc568f1e2014-07-21 00:47:37 -0700[diff] [blame]548 </tr>
Stephen Hines0e2c34f2015-03-23 12:09:02 -0700[diff] [blame]549 <!--
550 <tr>
551 <td rowspan="2">Terse range-based for loops (removed from C++1z)</td>
552 <td rowspan="2"><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n3994.htm">N3994</a></td>
553 <td class="none" align="center">Clang 3.5: Yes</td>
554 </tr>
Stephen Hinesc568f1e2014-07-21 00:47:37 -0700[diff] [blame]555 <tr>
Stephen Hines0e2c34f2015-03-23 12:09:02 -0700[diff] [blame]556 <td class="svn" align="center">SVN: No</td>
Stephen Hinesc568f1e2014-07-21 00:47:37 -0700[diff] [blame]557 </tr>
Stephen Hines0e2c34f2015-03-23 12:09:02 -0700[diff] [blame]558 -->
Stephen Hinesc568f1e2014-07-21 00:47:37 -0700[diff] [blame]559 <tr>
560 <td><tt>typename</tt> in a template template parameter</td>
561 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4051.html">N4051</a></td>
Stephen Hines176edba2014-12-01 14:53:08 -0800[diff] [blame]562 <td class="full" align="center">Clang 3.5</td>
563 </tr>
Stephen Hines0e2c34f2015-03-23 12:09:02 -0700[diff] [blame]564 <tr>
565 <td>New <tt>auto</tt> rules for direct-list-initialization
566 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n3922.html">N3922</a></td>
567 <td class="none" align="center">No</td>
568 </tr>
Stephen Hines176edba2014-12-01 14:53:08 -0800[diff] [blame]569 <!-- Urbana papers -->
570 <tr>
571 <td>Fold expressions</td>
Stephen Hines0e2c34f2015-03-23 12:09:02 -0700[diff] [blame]572 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4295.html">N4295</a></td>
573 <td class="svn" align="center">Clang 3.6</td>
Stephen Hines176edba2014-12-01 14:53:08 -0800[diff] [blame]574 </tr>
575 <tr>
576 <td><tt>u8</tt> character literals</td>
Stephen Hines0e2c34f2015-03-23 12:09:02 -0700[diff] [blame]577 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4267.html">N4267</a></td>
578 <td class="svn" align="center">Clang 3.6</td>
Stephen Hines176edba2014-12-01 14:53:08 -0800[diff] [blame]579 </tr>
580 <tr>
581 <td>Nested namespace definition</td>
Stephen Hines0e2c34f2015-03-23 12:09:02 -0700[diff] [blame]582 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4230.html">N4230</a></td>
583 <td class="svn" align="center">Clang 3.6</td>
Stephen Hines176edba2014-12-01 14:53:08 -0800[diff] [blame]584 </tr>
585 <tr>
586 <td>Attributes for namespaces and enumerators</td>
Stephen Hines0e2c34f2015-03-23 12:09:02 -0700[diff] [blame]587 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4266.html">N4266</a></td>
588 <td class="svn" align="center">Clang 3.6</td>
589 </tr>
590 <tr>
591 <td>Allow constant evaluation for all non-type template arguments</td>
592 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4268.html">N4268</a></td>
593 <td class="svn" align="center">Clang 3.6</td>
Stephen Hinesc568f1e2014-07-21 00:47:37 -0700[diff] [blame]594 </tr>
595</table>
Richard Smith7dae9292013-11-07 06:41:26 +0000[diff] [blame]596
Bill Wendlingc78e5b32013-11-28 00:33:42 +0000[diff] [blame]597<h2 id="ts">Technical specifications and standing documents</h2>
598
599<p>ISO C++ also publishes a number of documents describing additional language
600and library features that are not part of standard C++. The following table
601describes which language features have been implemented in Clang and in which
602Clang version they became available:</p>
603
604<table width="689" border="1" cellspacing="0">
605 <tr>
606 <th>Document</th>
607 <th>Latest draft</th>
608 <th>Available in Clang?</th>
609 </tr>
610 <tr>
Stephen Hines176edba2014-12-01 14:53:08 -0800[diff] [blame]611 <td rowspan="2">SD-6: SG10 feature test recommendations</td>
612 <td rowspan="2"><a href="http://isocpp.org/std/standing-documents/sd-6-sg10-feature-test-recommendations">SD-6</a></td>
613 <td class="full" align="center">
614 Clang 3.4 (<a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3745">N3745</a>)</br>
615 </td>
616 </tr>
617 <tr>
Stephen Hines0e2c34f2015-03-23 12:09:02 -0700[diff] [blame]618 <td class="svn" align="center">
619 Clang 3.6 (<a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4200">N4200</a>)</a>
Stephen Hines176edba2014-12-01 14:53:08 -0800[diff] [blame]620 </td>
Bill Wendlingc78e5b32013-11-28 00:33:42 +0000[diff] [blame]621 </tr>
622 <tr>
623 <td>[DRAFT TS] Array extensions (arrays of runtime bound)</td>
624 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3820.html">N3820</a></td>
625 <td class="none" align="center">No</td>
626 </tr>
Stephen Hines651f13c2014-04-23 16:59:28 -0700[diff] [blame]627 <tr>
628 <td>[DRAFT TS] Library fundamentals (invocation type traits)</td>
629 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n3908.html">N3908</a></td>
630 <td class="none" align="center">No</td>
631 </tr>
632 <tr>
633 <td>[DRAFT TS] Concepts</td>
634 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n3929.pdf">N3929</a></td>
635 <td class="none" align="center">No</td>
636 </tr>
Bill Wendlingc78e5b32013-11-28 00:33:42 +0000[diff] [blame]637</table>
638
Cedric Venet3d658642009-02-14 20:20:19 +0000[diff] [blame]639</div>
640</body>
641</html>