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Richard Smith	cf31c6b	2014-06-20 20:33:10 +0000	[diff] [blame]	5	<title>Clang - C++1z, C++14, C++11 and C++98 Status</title>
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Richard Smith	cf31c6b	2014-06-20 20:33:10 +0000	[diff] [blame]	26	<h1>C++ Support in Clang</h1>
Cedric Venet	08438133	2009-02-14 20:20:19 +0000	[diff] [blame]	27	<!--*************************************************************************-->
Douglas Gregor	0799d91	2009-06-27 19:33:58 +0000	[diff] [blame]	28	<p>Last updated: $Date$</p>
Cedric Venet	08438133	2009-02-14 20:20:19 +0000	[diff] [blame]	29
Richard Smith	0188110	2016-09-28 19:22:36 +0000	[diff] [blame]	30	<p>Clang fully implements all published ISO C++ standards (<a
				31	href="#cxx98">C++98 / C++03</a>, <a
				32	href="#cxx11">C++11</a>, and <a
				33	href="#cxx14">C++14</a>), and most of the upcoming <a
				34	href="#cxx17">C++1z</a> standard.
Alp Toker	05f8943	2013-12-06 06:35:49 +0000	[diff] [blame]	35
Richard Smith	6058634	2013-12-09 08:52:23 +0000	[diff] [blame]	36	<p>The Clang community is continually striving to improve C++ standards
Alp Toker	05f8943	2013-12-06 06:35:49 +0000	[diff] [blame]	37	compliance between releases by submitting and tracking <a
				38	href="cxx_dr_status.html">C++ Defect Reports</a> and implementing resolutions
				39	as they become available.</p>
				40
				41	<p>Experimental work is also under way to implement <a href="#ts">C++ Technical
				42	Specifications</a> that will help drive the future of the C++ programming
				43	language.</p>
				44
Richard Smith	6058634	2013-12-09 08:52:23 +0000	[diff] [blame]	45	<p>The <a href="http://llvm.org/bugs/">LLVM bug tracker</a> contains Clang
				46	C++ components that track known bugs with Clang's language conformance in
				47	each language mode.</p>
				48
Richard Smith	18743de	2012-02-24 18:42:08 +0000	[diff] [blame]	49	<h2 id="cxx98">C++98 implementation status</h2>
				50
Alp Toker	05f8943	2013-12-06 06:35:49 +0000	[diff] [blame]	51	<p>Clang implements all of the ISO C++ 1998 standard
Douglas Gregor	17aa45d	2011-07-21 17:46:15 +0000	[diff] [blame]	52	(including the defects addressed in the ISO C++ 2003 standard)
Richard Smith	707e3ba	2014-06-22 16:00:05 +0000	[diff] [blame]	53	except for <tt>export</tt> (which was removed in C++11).
Douglas Gregor	bb26a92	2010-02-05 23:51:14 +0000	[diff] [blame]	54
Richard Smith	18743de	2012-02-24 18:42:08 +0000	[diff] [blame]	55	<h2 id="cxx11">C++11 implementation status</h2>
Chris Lattner	6fe3748	2010-05-21 20:59:40 +0000	[diff] [blame]	56
Richard Smith	e2bf878	2016-09-28 21:01:37 +0000	[diff] [blame]	57	<p>Clang 3.3 and later implement all of the <a
				58	href="http://www.iso.org/iso/catalogue_detail.htm?csnumber=50372">ISO
				59	C++ 2011 standard</a>.
Chris Lattner	6fe3748	2010-05-21 20:59:40 +0000	[diff] [blame]	60
Richard Smith	531c9a0	2013-03-10 00:11:00 +0000	[diff] [blame]	61	<p>By default, Clang builds C++ code according to the C++98 standard, with many
				62	C++11 features accepted as extensions. You can use Clang in C++11 mode with the
				63	<code>-std=c++11</code> option. Clang's C++11 mode can be used
Richard Smith	0188110	2016-09-28 19:22:36 +0000	[diff] [blame]	64	with <a href="http://libcxx.llvm.org/">libc++</a> or with gcc's libstdc++.
Jeffrey Yasskin	cb40757	2011-03-29 22:27:50 +0000	[diff] [blame]	65
Richard Smith	e2bf878	2016-09-28 21:01:37 +0000	[diff] [blame]	66	<details>
				67	<summary>List of features and minimum Clang version with support</summary>
				68
Cedric Venet	08438133	2009-02-14 20:20:19 +0000	[diff] [blame]	69	<table width="689" border="1" cellspacing="0">
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	70	<tr>
Benjamin Kramer	1c9e158	2011-11-05 10:11:36 +0000	[diff] [blame]	71	<th>Language Feature</th>
Richard Smith	18743de	2012-02-24 18:42:08 +0000	[diff] [blame]	72	<th>C++11 Proposal</th>
Benjamin Kramer	1c9e158	2011-11-05 10:11:36 +0000	[diff] [blame]	73	<th>Available in Clang?</th>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	74	</tr>
				75	<tr>
				76	<td>Rvalue references</td>
				77	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2006/n2118.html">N2118</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	78	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	79	</tr>
				80	<tr>
				81	<td>    Rvalue references for <code>*this</code></td>
				82	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2439.htm">N2439</a></td>
Benjamin Kramer	1c9e158	2011-11-05 10:11:36 +0000	[diff] [blame]	83	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	84	</tr>
				85	<tr>
				86	<td>Initialization of class objects by rvalues</td>
				87	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2004/n1610.html">N1610</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	88	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	89	</tr>
				90	<tr>
				91	<td>Non-static data member initializers</td>
				92	<td><a href="http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2008/n2756.htm">N2756</a></td>
Benjamin Kramer	1c9e158	2011-11-05 10:11:36 +0000	[diff] [blame]	93	<td class="full" align="center">Clang 3.0</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	94	</tr>
				95	<tr>
				96	<td>Variadic templates</td>
				97	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2242.pdf">N2242</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	98	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	99	</tr>
				100	<tr>
				101	<td>    Extending variadic template template parameters</td>
				102	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2555.pdf">N2555</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	103	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	104	</tr>
				105	<tr>
				106	<td>Initializer lists</td>
				107	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2672.htm">N2672</a></td>
Richard Smith	607d631	2012-05-23 01:38:11 +0000	[diff] [blame]	108	<td class="full" align="center">Clang 3.1</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	109	</tr>
				110	<tr>
				111	<td>Static assertions</td>
				112	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2004/n1720.html">N1720</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	113	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	114	</tr>
				115	<tr>
				116	<td><code>auto</code>-typed variables</td>
				117	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2006/n1984.pdf">N1984</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	118	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	119	</tr>
				120	<tr>
				121	<td>    Multi-declarator <code>auto</code></td>
				122	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2004/n1737.pdf">N1737</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	123	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	124	</tr>
				125	<tr>
				126	<td>    Removal of auto as a storage-class specifier</td>
				127	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2546.htm">N2546</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	128	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	129	</tr>
				130	<tr>
				131	<td>    New function declarator syntax</td>
				132	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2541.htm">N2541</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	133	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	134	</tr>
				135	<tr>
Douglas Gregor	34b2e8b	2012-02-23 03:02:32 +0000	[diff] [blame]	136	<td>Lambda expressions</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	137	<td><a href="http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2009/n2927.pdf">N2927</a></td>
Richard Smith	607d631	2012-05-23 01:38:11 +0000	[diff] [blame]	138	<td class="full" align="center">Clang 3.1</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	139	</tr>
				140	<tr>
				141	<td>Declared type of an expression</td>
				142	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2343.pdf">N2343</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	143	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	144	</tr>
				145	<tr>
Douglas Gregor	0598962	2012-04-10 20:00:33 +0000	[diff] [blame]	146	<td>    Incomplete return types</td>
				147	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2011/n3276.pdf">N3276</a></td>
Richard Smith	607d631	2012-05-23 01:38:11 +0000	[diff] [blame]	148	<td class="full" align="center">Clang 3.1</td>
Douglas Gregor	0598962	2012-04-10 20:00:33 +0000	[diff] [blame]	149	</tr>
				150	<tr>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	151	<td>Right angle brackets</td>
				152	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2005/n1757.html">N1757</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	153	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	154	</tr>
				155	<tr>
				156	<td>Default template arguments for function templates</td>
				157	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#226">DR226</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	158	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	159	</tr>
				160	<tr>
				161	<td>Solving the SFINAE problem for expressions</td>
				162	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2634.html">DR339</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	163	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	164	</tr>
				165	<tr>
				166	<td>Alias templates</td>
				167	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2258.pdf">N2258</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	168	<td class="full" align="center">Clang 3.0</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	169	</tr>
				170	<tr>
				171	<td>Extern templates</td>
				172	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2006/n1987.htm">N1987</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	173	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	174	</tr>
				175	<tr>
				176	<td>Null pointer constant</td>
				177	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2431.pdf">N2431</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	178	<td class="full" align="center">Clang 3.0</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	179	</tr>
				180	<tr>
				181	<td>Strongly-typed enums</td>
				182	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2347.pdf">N2347</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	183	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	184	</tr>
				185	<tr>
				186	<td>Forward declarations for enums</td>
Richard Smith	4b38ded	2012-03-14 23:13:10 +0000	[diff] [blame]	187	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2764.pdf">N2764</a>
				188	<br><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#1206">DR1206</a></td>
Richard Smith	607d631	2012-05-23 01:38:11 +0000	[diff] [blame]	189	<td class="full" align="center">Clang 3.1</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	190	</tr>
				191	<tr>
Richard Smith	3dd73db	2014-01-17 00:11:48 +0000	[diff] [blame]	192	<td>Standardized attribute syntax</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	193	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2761.pdf">N2761</a></td>
Richard Smith	9924772	2013-06-17 23:54:23 +0000	[diff] [blame]	194	<td class="full" align="center">Clang 3.3 <a href="#n2761">(1)</a></td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	195	</tr>
				196	<tr>
				197	<td>Generalized constant expressions</td>
				198	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2235.pdf">N2235</a></td>
Richard Smith	607d631	2012-05-23 01:38:11 +0000	[diff] [blame]	199	<td class="full" align="center">Clang 3.1</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	200	</tr>
				201	<tr>
				202	<td>Alignment support</td>
				203	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2341.pdf">N2341</a></td>
Richard Smith	9924772	2013-06-17 23:54:23 +0000	[diff] [blame]	204	<td class="full" align="center">Clang 3.3</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	205	</tr>
Richard Smith	7e34fbd	2014-03-14 21:21:24 +0000	[diff] [blame]	206	<tr>
				207	<td>Conditionally-support behavior</td>
				208	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2004/n1627.pdf">N1627</a></td>
				209	<td class="full" align="center">Clang 2.9</td>
				210	</tr>
				211	<tr>
				212	<td>Changing undefined behavior into diagnosable errors</td>
				213	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2004/n1727.pdf">N1727</a></td>
				214	<td class="full" align="center">Clang 2.9</td>
				215	</tr>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	216	<tr>
				217	<td>Delegating constructors</td>
				218	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2006/n1986.pdf">N1986</a></td>
Benjamin Kramer	1c9e158	2011-11-05 10:11:36 +0000	[diff] [blame]	219	<td class="full" align="center">Clang 3.0</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	220	</tr>
				221	<tr>
				222	<td>Inheriting constructors</td>
				223	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2540.htm">N2540</a></td>
Richard Smith	9924772	2013-06-17 23:54:23 +0000	[diff] [blame]	224	<td class="full" align="center">Clang 3.3</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	225	</tr>
				226	<tr>
				227	<td>Explicit conversion operators</td>
				228	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2437.pdf">N2437</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	229	<td class="full" align="center">Clang 3.0</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	230	</tr>
				231	<tr>
				232	<td>New character types</td>
				233	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2249.html">N2249</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	234	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	235	</tr>
				236	<tr>
				237	<td>Unicode string literals</td>
				238	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2442.htm">N2442</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	239	<td class="full" align="center">Clang 3.0</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	240	</tr>
				241	<tr>
				242	<td>Raw string literals</td>
				243	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2442.htm">N2442</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	244	<td class="full" align="center">Clang 3.0</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	245	</tr>
				246	<tr>
Richard Smith	2a70e65	2012-03-09 22:27:51 +0000	[diff] [blame]	247	<td>Universal character names in literals</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	248	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2170.html">N2170</a></td>
Richard Smith	607d631	2012-05-23 01:38:11 +0000	[diff] [blame]	249	<td class="full" align="center">Clang 3.1</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	250	</tr>
				251	<tr>
				252	<td>User-defined literals</td>
				253	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2765.pdf">N2765</a></td>
Richard Smith	607d631	2012-05-23 01:38:11 +0000	[diff] [blame]	254	<td class="full" align="center">Clang 3.1</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	255	</tr>
				256	<tr>
				257	<td>Standard Layout Types</td>
				258	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2342.htm">N2342</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	259	<td class="full" align="center">Clang 3.0</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	260	</tr>
				261	<tr>
Douglas Gregor	7ff1e7e	2011-10-28 19:44:09 +0000	[diff] [blame]	262	<td>Defaulted functions</td>
				263	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2346.htm">N2346</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	264	<td class="full" align="center">Clang 3.0</td>
Douglas Gregor	7ff1e7e	2011-10-28 19:44:09 +0000	[diff] [blame]	265	</tr>
				266	<tr>
				267	<td>Deleted functions</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	268	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2346.htm">N2346</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	269	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	270	</tr>
				271	<tr>
				272	<td>Extended friend declarations</td>
				273	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2005/n1791.pdf">N1791</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	274	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	275	</tr>
				276	<tr>
				277	<td>Extending <code>sizeof</code></td>
Richard Smith	4e83762	2012-02-24 18:37:14 +0000	[diff] [blame]	278	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2253.html">N2253</a>
				279	<br><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#850">DR850</a></td>
Richard Smith	607d631	2012-05-23 01:38:11 +0000	[diff] [blame]	280	<td class="full" align="center">Clang 3.1</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	281	</tr>
				282	<tr>
				283	<td>Inline namespaces</td>
				284	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2535.htm">N2535</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	285	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	286	</tr>
				287	<tr>
				288	<td>Unrestricted unions</td>
				289	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2544.pdf">N2544</a></td>
Richard Smith	607d631	2012-05-23 01:38:11 +0000	[diff] [blame]	290	<td class="full" align="center">Clang 3.1</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	291	</tr>
				292	<tr>
				293	<td>Local and unnamed types as template arguments</td>
				294	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm">N2657</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	295	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	296	</tr>
				297	<tr>
				298	<td>Range-based for</td>
				299	<td><a href="http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2009/n2930.html">N2930</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	300	<td class="full" align="center">Clang 3.0</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	301	</tr>
				302	<tr>
				303	<td>Explicit virtual overrides</td>
				304	<td><a href="http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2009/n2928.htm">N2928</a>
Richard Smith	4e83762	2012-02-24 18:37:14 +0000	[diff] [blame]	305	<br><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2010/n3206.htm">N3206</a>
				306	<br><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2011/n3272.htm">N3272</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	307	<td class="full" align="center">Clang 3.0</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	308	</tr>
				309	<tr>
				310	<td>Minimal support for garbage collection and reachability-based leak detection</td>
				311	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2670.htm">N2670</a></td>
Richard Smith	d997cce	2014-03-14 20:26:09 +0000	[diff] [blame]	312	<td class="na" align="center">N/A <a href="#n2670">(2)</a></td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	313	</tr>
				314	<tr>
				315	<td>Allowing move constructors to throw [noexcept]</td>
David Blaikie	5036161	2011-11-02 15:13:40 +0000	[diff] [blame]	316	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2010/n3050.html">N3050</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	317	<td class="full" align="center">Clang 3.0</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	318	</tr>
				319	<tr>
				320	<td>Defining move special member functions</td>
David Blaikie	5036161	2011-11-02 15:13:40 +0000	[diff] [blame]	321	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2010/n3053.html">N3053</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	322	<td class="full" align="center">Clang 3.0</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	323	</tr>
Cedric Venet	08438133	2009-02-14 20:20:19 +0000	[diff] [blame]	324
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	325	<tr class="separator">
Benjamin Kramer	1c9e158	2011-11-05 10:11:36 +0000	[diff] [blame]	326	<th align="center" colspan="3">Concurrency</th>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	327	</tr>
				328	<tr>
				329	<td>Sequence points</td>
				330	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2239.html">N2239</a></td>
Richard Smith	9924772	2013-06-17 23:54:23 +0000	[diff] [blame]	331	<td class="full" align="center">Clang 3.3</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	332	</tr>
				333	<tr>
				334	<td>Atomic operations</td>
				335	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2427.html">N2427</a></td>
Richard Smith	607d631	2012-05-23 01:38:11 +0000	[diff] [blame]	336	<td class="full" align="center">Clang 3.1</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	337	</tr>
				338	<tr>
				339	<td>Strong Compare and Exchange</td>
				340	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2748.html">N2748</a></td>
Richard Smith	d997cce	2014-03-14 20:26:09 +0000	[diff] [blame]	341	<td class="full" align="center">Clang 3.1 <a href="#n2748">(3)</a></td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	342	</tr>
				343	<tr>
				344	<td>Bidirectional Fences</td>
				345	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2752.htm">N2752</a></td>
Richard Smith	607d631	2012-05-23 01:38:11 +0000	[diff] [blame]	346	<td class="full" align="center">Clang 3.1</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	347	</tr>
Douglas Gregor	6b6e082	2010-12-21 05:43:31 +0000	[diff] [blame]	348
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	349	<tr>
				350	<td>Memory model</td>
				351	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2429.htm">N2429</a></td>
Richard Smith	bc4fc77	2013-01-29 04:55:18 +0000	[diff] [blame]	352	<td class="full" align="center">Clang 3.2</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	353	</tr>
				354	<tr>
				355	<td>Data-dependency ordering: atomics and memory model</td>
				356	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2664.htm">N2664</a></td>
Richard Smith	d997cce	2014-03-14 20:26:09 +0000	[diff] [blame]	357	<td class="full" align="center">Clang 3.2 <a href="#n2664">(4)</a></td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	358	</tr>
				359	<tr>
				360	<td>Propagating exceptions</td>
				361	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2179.html">N2179</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	362	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	363	</tr>
				364	<tr>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	365	<td>Allow atomics use in signal handlers</td>
				366	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2547.htm">N2547</a></td>
Richard Smith	607d631	2012-05-23 01:38:11 +0000	[diff] [blame]	367	<td class="full" align="center">Clang 3.1</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	368	</tr>
				369	<tr>
				370	<td>Thread-local storage</td>
				371	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2659.htm">N2659</a></td>
Richard Smith	952923b	2016-02-09 22:48:14 +0000	[diff] [blame]	372	<td class="full" align="center">Clang 3.3 <a href="#n2659">(5)</a></td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	373	</tr>
				374	<tr>
				375	<td>Dynamic initialization and destruction with concurrency</td>
				376	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2660.htm">N2660</a></td>
Richard Smith	537a834	2013-02-22 09:31:00 +0000	[diff] [blame]	377	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	378	</tr>
Cedric Venet	08438133	2009-02-14 20:20:19 +0000	[diff] [blame]	379
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	380	<tr class="separator">
Richard Smith	18743de	2012-02-24 18:42:08 +0000	[diff] [blame]	381	<th align="center" colspan="3">C99 Features in C++11</th>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	382	</tr>
				383	<tr>
				384	<td><code>__func__</code> predefined identifier</td>
				385	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2340.htm">N2340</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	386	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	387	</tr>
				388	<tr>
				389	<td>C99 preprocessor</td>
				390	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2004/n1653.htm">N1653</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	391	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	392	</tr>
				393	<tr>
				394	<td><code>long long</code></td>
				395	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2005/n1811.pdf">N1811</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	396	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	397	</tr>
				398	<tr>
				399	<td>Extended integral types</td>
				400	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2006/n1988.pdf">N1988</a></td>
Richard Smith	952923b	2016-02-09 22:48:14 +0000	[diff] [blame]	401	<td class="na" align="center">N/A <a href="#n1988">(6)</a></td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	402	</tr>
Cedric Venet	08438133	2009-02-14 20:20:19 +0000	[diff] [blame]	403	</table>
Richard Smith	9deb9d9	2013-03-12 19:56:09 +0000	[diff] [blame]	404
				405	<p>
				406	<span id="n2761">(1): The <code>[[carries_dependency]]</code> attribute
Richard Smith	38546ed	2013-03-18 21:57:52 +0000	[diff] [blame]	407	has no effect.</span><br>
Richard Smith	d997cce	2014-03-14 20:26:09 +0000	[diff] [blame]	408	<span id="n2670">(2): No compiler changes are required for an implementation
				409	such as Clang that does not provide garbage collection.</span><br>
				410	<span id="n2748">(3): All compare-exchange operations are emitted as
Richard Smith	38546ed	2013-03-18 21:57:52 +0000	[diff] [blame]	411	strong compare-exchanges.</span><br>
Richard Smith	d997cce	2014-03-14 20:26:09 +0000	[diff] [blame]	412	<span id="n2664">(4): <code>memory_order_consume</code> is lowered to
Richard Smith	38546ed	2013-03-18 21:57:52 +0000	[diff] [blame]	413	<code>memory_order_acquire</code>.</span><br>
Richard Smith	952923b	2016-02-09 22:48:14 +0000	[diff] [blame]	414	<span id="n2659">(5): <code>thread_local</code> support
				415	requires a C++ runtime library providing <code>__cxa_thread_atexit</code>, such
				416	as <a href="http://libcxxabi.llvm.org">libc++abi</a> 3.6 or later,
				417	or libsupc++ 4.8 or later.</span><br>
				418	<span id="n1988">(6): No compiler changes are required for an implementation
Richard Smith	d997cce	2014-03-14 20:26:09 +0000	[diff] [blame]	419	such as Clang that does not provide any extended integer types.
				420	<code>__int128</code> is not treated as an extended integer type,
				421	because changing <code>intmax_t</code> would be an ABI-incompatible
				422	change.</span>
Richard Smith	9deb9d9	2013-03-12 19:56:09 +0000	[diff] [blame]	423	</p>
Richard Smith	e2bf878	2016-09-28 21:01:37 +0000	[diff] [blame]	424	</details>
Richard Smith	9deb9d9	2013-03-12 19:56:09 +0000	[diff] [blame]	425
Richard Smith	20f3767	2014-08-31 04:17:48 +0000	[diff] [blame]	426	<h2 id="cxx14">C++14 implementation status</h2>
Richard Smith	9172520	2013-04-19 17:27:48 +0000	[diff] [blame]	427
Richard Smith	0188110	2016-09-28 19:22:36 +0000	[diff] [blame]	428	<p>Clang 3.4 and later implement all of the <a
				429	href="http://www.iso.org/iso/catalogue_detail.htm?csnumber=64029">ISO
Richard Smith	e2bf878	2016-09-28 21:01:37 +0000	[diff] [blame]	430	C++ 2014 standard</a>.
Richard Smith	9172520	2013-04-19 17:27:48 +0000	[diff] [blame]	431
Richard Smith	20f3767	2014-08-31 04:17:48 +0000	[diff] [blame]	432	<p>You can use Clang in C++14 mode with the <code>-std=c++14</code> option
Richard Smith	1b88632	2014-08-31 04:18:54 +0000	[diff] [blame]	433	(use <code>-std=c++1y</code> in Clang 3.4 and earlier).</p>
Richard Smith	4cf9a1e	2013-04-20 13:22:50 +0000	[diff] [blame]	434
Richard Smith	e2bf878	2016-09-28 21:01:37 +0000	[diff] [blame]	435	<details>
				436	<summary>List of features and minimum Clang version with support</summary>
				437
Richard Smith	9172520	2013-04-19 17:27:48 +0000	[diff] [blame]	438	<table width="689" border="1" cellspacing="0">
				439	<tr>
				440	<th>Language Feature</th>
Richard Smith	20f3767	2014-08-31 04:17:48 +0000	[diff] [blame]	441	<th>C++14 Proposal</th>
Richard Smith	9172520	2013-04-19 17:27:48 +0000	[diff] [blame]	442	<th>Available in Clang?</th>
				443	</tr>
				444	<tr>
				445	<td>Tweak to certain C++ contextual conversions</td>
				446	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2012/n3323.pdf">N3323</a></td>
Richard Smith	7fe8962	2014-02-03 06:58:08 +0000	[diff] [blame]	447	<td class="full" align="center">Clang 3.4</td>
Richard Smith	9172520	2013-04-19 17:27:48 +0000	[diff] [blame]	448	</tr>
				449	<tr>
Richard Smith	0fa4fce	2013-04-20 12:44:32 +0000	[diff] [blame]	450	<td>Binary literals</td>
Richard Smith	9172520	2013-04-19 17:27:48 +0000	[diff] [blame]	451	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2012/n3472.pdf">N3472</a></td>
Benjamin Kramer	eb0ad45	2015-02-09 11:48:43 +0000	[diff] [blame]	452	<td class="full" align="center">Clang 2.9</td>
Richard Smith	9172520	2013-04-19 17:27:48 +0000	[diff] [blame]	453	</tr>
				454	<tr>
Richard Smith	74aeef5	2013-04-26 16:15:35 +0000	[diff] [blame]	455	<td>decltype(auto)</td>
Richard Smith	f2f6e114	2013-05-09 18:53:17 +0000	[diff] [blame]	456	<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 Smith	9924772	2013-06-17 23:54:23 +0000	[diff] [blame]	457	<td class="full" align="center">Clang 3.3</td>
Richard Smith	74aeef5	2013-04-26 16:15:35 +0000	[diff] [blame]	458	</tr>
				459	<tr>
Richard Smith	5db8b28	2013-04-20 12:47:36 +0000	[diff] [blame]	460	<td>Return type deduction for normal functions</td>
Richard Smith	7fe8962	2014-02-03 06:58:08 +0000	[diff] [blame]	461	<td class="full" align="center">Clang 3.4</td>
Richard Smith	5db8b28	2013-04-20 12:47:36 +0000	[diff] [blame]	462	</tr>
Richard Smith	0fa4fce	2013-04-20 12:44:32 +0000	[diff] [blame]	463	<tr>
Richard Smith	5db8b28	2013-04-20 12:47:36 +0000	[diff] [blame]	464	<td>Initialized lambda captures</td>
Richard Smith	f2f6e114	2013-05-09 18:53:17 +0000	[diff] [blame]	465	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3648.html">N3648</a></td>
Richard Smith	7fe8962	2014-02-03 06:58:08 +0000	[diff] [blame]	466	<td class="full" align="center">Clang 3.4</td>
Richard Smith	9172520	2013-04-19 17:27:48 +0000	[diff] [blame]	467	</tr>
				468	<tr>
Richard Smith	7898d7b	2013-04-20 12:58:57 +0000	[diff] [blame]	469	<td>Generic lambdas</td>
Richard Smith	f2f6e114	2013-05-09 18:53:17 +0000	[diff] [blame]	470	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3649.html">N3649</a></td>
Richard Smith	7fe8962	2014-02-03 06:58:08 +0000	[diff] [blame]	471	<td class="full" align="center">Clang 3.4</td>
Richard Smith	9172520	2013-04-19 17:27:48 +0000	[diff] [blame]	472	</tr>
				473	<tr>
Richard Smith	7898d7b	2013-04-20 12:58:57 +0000	[diff] [blame]	474	<td>Variable templates</td>
Richard Smith	f2f6e114	2013-05-09 18:53:17 +0000	[diff] [blame]	475	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3651.pdf">N3651</a></td>
Richard Smith	7fe8962	2014-02-03 06:58:08 +0000	[diff] [blame]	476	<td class="full" align="center">Clang 3.4</td>
Richard Smith	9172520	2013-04-19 17:27:48 +0000	[diff] [blame]	477	</tr>
				478	<tr>
Richard Smith	7feda2f	2013-04-20 12:49:36 +0000	[diff] [blame]	479	<td>Relaxing requirements on constexpr functions</td>
Richard Smith	f2f6e114	2013-05-09 18:53:17 +0000	[diff] [blame]	480	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3652.html">N3652</a></td>
Richard Smith	7fe8962	2014-02-03 06:58:08 +0000	[diff] [blame]	481	<td class="full" align="center">Clang 3.4</td>
Richard Smith	9172520	2013-04-19 17:27:48 +0000	[diff] [blame]	482	</tr>
				483	<tr>
Richard Smith	5db8b28	2013-04-20 12:47:36 +0000	[diff] [blame]	484	<td>Member initializers and aggregates</td>
Richard Smith	f2f6e114	2013-05-09 18:53:17 +0000	[diff] [blame]	485	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3653.html">N3653</a></td>
Richard Smith	9924772	2013-06-17 23:54:23 +0000	[diff] [blame]	486	<td class="full" align="center">Clang 3.3</td>
Richard Smith	9172520	2013-04-19 17:27:48 +0000	[diff] [blame]	487	</tr>
Richard Smith	9172520	2013-04-19 17:27:48 +0000	[diff] [blame]	488	<tr>
Richard Smith	d3a7386	2013-04-20 12:57:49 +0000	[diff] [blame]	489	<td>Clarifying memory allocation</td>
Richard Smith	f2f6e114	2013-05-09 18:53:17 +0000	[diff] [blame]	490	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3664.html">N3664</a></td>
Richard Smith	7fe8962	2014-02-03 06:58:08 +0000	[diff] [blame]	491	<td class="full" align="center">Clang 3.4</td>
Richard Smith	9172520	2013-04-19 17:27:48 +0000	[diff] [blame]	492	</tr>
Richard Smith	3ca005b	2013-09-27 19:11:33 +0000	[diff] [blame]	493	<tr>
				494	<td><tt>[[deprecated]]</tt> attribute</td>
				495	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3760.html">N3760</a></td>
Richard Smith	7fe8962	2014-02-03 06:58:08 +0000	[diff] [blame]	496	<td class="full" align="center">Clang 3.4</td>
Richard Smith	3ca005b	2013-09-27 19:11:33 +0000	[diff] [blame]	497	</tr>
				498	<tr>
				499	<td>Single quotation mark as digit separator</td>
Richard Smith	2d1d3ca	2013-11-05 08:27:00 +0000	[diff] [blame]	500	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3781.pdf">N3781</a></td>
Richard Smith	7fe8962	2014-02-03 06:58:08 +0000	[diff] [blame]	501	<td class="full" align="center">Clang 3.4</td>
Richard Smith	3ca005b	2013-09-27 19:11:33 +0000	[diff] [blame]	502	</tr>
				503	<tr>
Benjamin Kramer	8ba47d0	2013-09-27 19:35:09 +0000	[diff] [blame]	504	<td>C++ Sized Deallocation</td>
Richard Smith	2d1d3ca	2013-11-05 08:27:00 +0000	[diff] [blame]	505	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3778.html">N3778</a></td>
Richard Smith	952923b	2016-02-09 22:48:14 +0000	[diff] [blame]	506	<td class="full" align="center">Clang 3.4 <a href="#n3778">(7)</a></td>
Richard Smith	3ca005b	2013-09-27 19:11:33 +0000	[diff] [blame]	507	</tr>
Richard Smith	9172520	2013-04-19 17:27:48 +0000	[diff] [blame]	508	</table>
Reid Kleckner	7ffc3fb	2015-03-20 00:31:07 +0000	[diff] [blame]	509
Larisse Voufo	ee3c1b2	2015-02-19 04:34:13 +0000	[diff] [blame]	510	<p>
Richard Smith	952923b	2016-02-09 22:48:14 +0000	[diff] [blame]	511	<span id="n3778">(7): In Clang 3.7 and later, sized deallocation is only enabled
Reid Kleckner	7ffc3fb	2015-03-20 00:31:07 +0000	[diff] [blame]	512	if the user passes the <code>-fsized-deallocation</code> flag. The user must
				513	supply definitions of the sized deallocation functions, either by providing them
				514	explicitly or by using a C++ standard library that does. <code>libstdc++</code>
				515	added these functions in version 5.0, and <code>libc++</code> added them in
				516	version 3.7.
Larisse Voufo	ee3c1b2	2015-02-19 04:34:13 +0000	[diff] [blame]	517	</span>
				518	</p>
Richard Smith	e2bf878	2016-09-28 21:01:37 +0000	[diff] [blame]	519	</details>
Richard Smith	9172520	2013-04-19 17:27:48 +0000	[diff] [blame]	520
Richard Smith	76b9f23	2013-11-07 06:41:26 +0000	[diff] [blame]	521	<h2 id="cxx17">C++1z implementation status</h2>
				522
Richard Smith	952923b	2016-02-09 22:48:14 +0000	[diff] [blame]	523	<p>Clang has <b>experimental</b> support for some proposed features of
				524	the C++ standard following C++14, provisionally named C++1z.
Richard Smith	e2bf878	2016-09-28 21:01:37 +0000	[diff] [blame]	525	Note that support for these features may change or be removed without notice,
				526	as the draft C++1z standard evolves.
Richard Smith	cf31c6b	2014-06-20 20:33:10 +0000	[diff] [blame]	527
Richard Smith	76b9f23	2013-11-07 06:41:26 +0000	[diff] [blame]	528	<p>You can use Clang in C++1z mode with the <code>-std=c++1z</code> option.</p>
Richard Smith	cf31c6b	2014-06-20 20:33:10 +0000	[diff] [blame]	529
Richard Smith	e2bf878	2016-09-28 21:01:37 +0000	[diff] [blame]	530	<details open>
				531	<summary>List of features and minimum Clang version with support</summary>
				532
Richard Smith	cf31c6b	2014-06-20 20:33:10 +0000	[diff] [blame]	533	<table width="689" border="1" cellspacing="0">
				534	<tr>
				535	<th>Language Feature</th>
				536	<th>C++1z Proposal</th>
				537	<th>Available in Clang?</th>
				538	</tr>
Richard Smith	5a20d7e	2016-11-11 22:48:43 +0000	[diff] [blame]	539	<!-- Issaquah 2014 papers -->
Richard Smith	cf31c6b	2014-06-20 20:33:10 +0000	[diff] [blame]	540	<tr>
				541	<td><tt>static_assert</tt> with no message</td>
				542	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n3928.pdf">N3928</a></td>
Richard Smith	ee0a49c	2014-09-11 17:30:32 +0000	[diff] [blame]	543	<td class="full" align="center">Clang 3.5</td>
Richard Smith	cf31c6b	2014-06-20 20:33:10 +0000	[diff] [blame]	544	</tr>
Richard Smith	0f0af19	2014-11-08 05:07:16 +0000	[diff] [blame]	545	<!-- Rapperswil papers -->
Richard Smith	cf31c6b	2014-06-20 20:33:10 +0000	[diff] [blame]	546	<tr>
				547	<td>Disabling trigraph expansion by default</td>
Richard Smith	410cc89	2014-11-26 03:26:53 +0000	[diff] [blame]	548	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4086.html">N4086</a></td>
Richard Smith	ee0a49c	2014-09-11 17:30:32 +0000	[diff] [blame]	549	<td class="full" align="center">Clang 3.5</td>
Richard Smith	cf31c6b	2014-06-20 20:33:10 +0000	[diff] [blame]	550	</tr>
Richard Smith	83d3f15	2014-11-27 01:54:27 +0000	[diff] [blame]	551	<!--
Richard Smith	cf31c6b	2014-06-20 20:33:10 +0000	[diff] [blame]	552	<tr>
Richard Smith	83d3f15	2014-11-27 01:54:27 +0000	[diff] [blame]	553	<td rowspan="2">Terse range-based for loops (removed from C++1z)</td>
				554	<td rowspan="2"><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n3994.htm">N3994</a></td>
				555	<td class="none" align="center">Clang 3.5: Yes</td>
Richard Smith	cf31c6b	2014-06-20 20:33:10 +0000	[diff] [blame]	556	</tr>
				557	<tr>
Richard Smith	83d3f15	2014-11-27 01:54:27 +0000	[diff] [blame]	558	<td class="svn" align="center">SVN: No</td>
				559	</tr>
				560	-->
				561	<tr>
Richard Smith	cf31c6b	2014-06-20 20:33:10 +0000	[diff] [blame]	562	<td><tt>typename</tt> in a template template parameter</td>
				563	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4051.html">N4051</a></td>
Richard Smith	ee0a49c	2014-09-11 17:30:32 +0000	[diff] [blame]	564	<td class="full" align="center">Clang 3.5</td>
Richard Smith	cf31c6b	2014-06-20 20:33:10 +0000	[diff] [blame]	565	</tr>
Richard Smith	410cc89	2014-11-26 03:26:53 +0000	[diff] [blame]	566	<tr>
				567	<td>New <tt>auto</tt> rules for direct-list-initialization
				568	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n3922.html">N3922</a></td>
Richard Smith	25dde97	2016-03-20 10:37:12 +0000	[diff] [blame]	569	<td class="full" align="center">Clang 3.8 <a href="#n3922">(8)</a></td>
Richard Smith	410cc89	2014-11-26 03:26:53 +0000	[diff] [blame]	570	</tr>
Richard Smith	0f0af19	2014-11-08 05:07:16 +0000	[diff] [blame]	571	<!-- Urbana papers -->
				572	<tr>
Richard Smith	f006a96	2016-03-04 21:01:14 +0000	[diff] [blame]	573	<td rowspan="2">Fold expressions</td>
Benjamin Kramer	eb0ad45	2015-02-09 11:48:43 +0000	[diff] [blame]	574	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4295.html">N4295</a></td>
Richard Smith	42b1057	2015-11-11 01:36:17 +0000	[diff] [blame]	575	<td class="full" align="center">Clang 3.6</td>
Richard Smith	3e3a705	2014-11-08 06:08:42 +0000	[diff] [blame]	576	</tr>
Richard Smith	f006a96	2016-03-04 21:01:14 +0000	[diff] [blame]	577	<tr> <!-- from Jacksonville -->
				578	<td><a href="http://wg21.link/p0036r0">P0036R0</a></td>
Richard Smith	b1a268a	2016-08-15 02:47:23 +0000	[diff] [blame]	579	<td class="full" align="center">Clang 3.9</td>
Richard Smith	f006a96	2016-03-04 21:01:14 +0000	[diff] [blame]	580	</tr>
Richard Smith	3e3a705	2014-11-08 06:08:42 +0000	[diff] [blame]	581	<tr>
				582	<td><tt>u8</tt> character literals</td>
Benjamin Kramer	eb0ad45	2015-02-09 11:48:43 +0000	[diff] [blame]	583	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4267.html">N4267</a></td>
Richard Smith	42b1057	2015-11-11 01:36:17 +0000	[diff] [blame]	584	<td class="full" align="center">Clang 3.6</td>
Richard Smith	0f0af19	2014-11-08 05:07:16 +0000	[diff] [blame]	585	</tr>
Richard Smith	13307f5	2014-11-08 05:37:34 +0000	[diff] [blame]	586	<tr>
				587	<td>Nested namespace definition</td>
Benjamin Kramer	eb0ad45	2015-02-09 11:48:43 +0000	[diff] [blame]	588	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4230.html">N4230</a></td>
Richard Smith	42b1057	2015-11-11 01:36:17 +0000	[diff] [blame]	589	<td class="full" align="center">Clang 3.6</td>
Richard Smith	13307f5	2014-11-08 05:37:34 +0000	[diff] [blame]	590	</tr>
Aaron Ballman	730476b	2014-11-08 15:33:35 +0000	[diff] [blame]	591	<tr>
				592	<td>Attributes for namespaces and enumerators</td>
Benjamin Kramer	eb0ad45	2015-02-09 11:48:43 +0000	[diff] [blame]	593	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4266.html">N4266</a></td>
Richard Smith	42b1057	2015-11-11 01:36:17 +0000	[diff] [blame]	594	<td class="full" align="center">Clang 3.6</td>
Aaron Ballman	730476b	2014-11-08 15:33:35 +0000	[diff] [blame]	595	</tr>
Richard Smith	410cc89	2014-11-26 03:26:53 +0000	[diff] [blame]	596	<tr>
				597	<td>Allow constant evaluation for all non-type template arguments</td>
Benjamin Kramer	eb0ad45	2015-02-09 11:48:43 +0000	[diff] [blame]	598	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4268.html">N4268</a></td>
Richard Smith	42b1057	2015-11-11 01:36:17 +0000	[diff] [blame]	599	<td class="full" align="center">Clang 3.6</td>
Richard Smith	410cc89	2014-11-26 03:26:53 +0000	[diff] [blame]	600	</tr>
Richard Smith	894835f	2015-11-05 21:41:06 +0000	[diff] [blame]	601	<!-- Kona papers -->
				602	<tr>
				603	<td>Remove deprecated <tt>register</tt> storage class</td>
				604	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/p0001r1.html">P0001R1</a></td>
Richard Smith	25dde97	2016-03-20 10:37:12 +0000	[diff] [blame]	605	<td class="full" align="center">Clang 3.8</td>
Richard Smith	894835f	2015-11-05 21:41:06 +0000	[diff] [blame]	606	</tr>
				607	<tr>
				608	<td>Remove deprecated <tt>bool</tt> increment</td>
				609	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/p0002r1.html">P0002R1</a></td>
Richard Smith	25dde97	2016-03-20 10:37:12 +0000	[diff] [blame]	610	<td class="full" align="center">Clang 3.8</td>
Richard Smith	894835f	2015-11-05 21:41:06 +0000	[diff] [blame]	611	</tr>
				612	<tr>
				613	<td>Make exception specifications part of the type system</td>
				614	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/p0012r1.html">P0012R1</a></td>
Ed Schouten	f59d8df	2017-03-16 14:21:00 +0000	[diff] [blame]	615	<td class="full" align="center">Clang 4</td>
Richard Smith	894835f	2015-11-05 21:41:06 +0000	[diff] [blame]	616	</tr>
				617	<tr>
Richard Smith	4a0cd89	2015-11-26 02:16:37 +0000	[diff] [blame]	618	<td><tt>__has_include</tt> in preprocessor conditionals</td>
Richard Smith	894835f	2015-11-05 21:41:06 +0000	[diff] [blame]	619	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/p0061.html">P0061R1</a></td>
				620	<td class="full" align="center">Yes</td>
				621	</tr>
Richard Smith	952923b	2016-02-09 22:48:14 +0000	[diff] [blame]	622	<tr>
				623	<td>New specification for inheriting constructors (<a href="cxx_dr_status.html#1941">DR1941</a> et al)</td>
				624	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/p0136r1.html">P0136R1</a></td>
Richard Smith	b17d6fa	2016-12-01 03:04:07 +0000	[diff] [blame]	625	<td class="full" align="center">Clang 3.9 <a href="#p0136">(9)</a></td>
Richard Smith	952923b	2016-02-09 22:48:14 +0000	[diff] [blame]	626	</tr>
Richard Smith	f006a96	2016-03-04 21:01:14 +0000	[diff] [blame]	627	<!-- Jacksonville papers -->
				628	<tr>
				629	<td><tt>[[fallthrough]]</tt> attribute</td>
				630	<td><a href="http://wg21.link/p0188r1">P0188R1</a></td>
Richard Smith	b1a268a	2016-08-15 02:47:23 +0000	[diff] [blame]	631	<td class="full" align="center">Clang 3.9</td>
Richard Smith	f006a96	2016-03-04 21:01:14 +0000	[diff] [blame]	632	</tr>
				633	<tr>
				634	<td><tt>[[nodiscard]]</tt> attribute</td>
				635	<td><a href="http://wg21.link/p0189r1">P0189R1</a></td>
Richard Smith	b1a268a	2016-08-15 02:47:23 +0000	[diff] [blame]	636	<td class="full" align="center">Clang 3.9</td>
Richard Smith	f006a96	2016-03-04 21:01:14 +0000	[diff] [blame]	637	</tr>
				638	<tr>
				639	<td><tt>[[maybe_unused]]</tt> attribute</td>
				640	<td><a href="http://wg21.link/p0212r1">P0212R1</a></td>
Richard Smith	b1a268a	2016-08-15 02:47:23 +0000	[diff] [blame]	641	<td class="full" align="center">Clang 3.9</td>
Richard Smith	f006a96	2016-03-04 21:01:14 +0000	[diff] [blame]	642	</tr>
				643	<tr>
				644	<td>Aggregate initialization of classes with base classes</td>
				645	<td><a href="http://wg21.link/p0017r1">P0017R1</a></td>
Richard Smith	b1a268a	2016-08-15 02:47:23 +0000	[diff] [blame]	646	<td class="full" align="center">Clang 3.9</td>
Richard Smith	f006a96	2016-03-04 21:01:14 +0000	[diff] [blame]	647	</tr>
				648	<tr>
				649	<td><tt>constexpr</tt> lambda expressions</td>
				650	<td><a href="http://wg21.link/p0170r1">P0170R1</a></td>
Richard Smith	b80bbca	2017-02-21 23:58:29 +0000	[diff] [blame]	651	<td class="svn" align="center">SVN</td>
Richard Smith	f006a96	2016-03-04 21:01:14 +0000	[diff] [blame]	652	</tr>
				653	<tr>
				654	<td>Differing <tt>begin</tt> and <tt>end</tt> types in range-based <tt>for</tt></td>
				655	<td><a href="http://wg21.link/p0184r0">P0184R0</a></td>
Richard Smith	b1a268a	2016-08-15 02:47:23 +0000	[diff] [blame]	656	<td class="full" align="center">Clang 3.9</td>
Richard Smith	f006a96	2016-03-04 21:01:14 +0000	[diff] [blame]	657	</tr>
				658	<tr>
				659	<td>Lambda capture of <tt>*this</tt></td>
				660	<td><a href="http://wg21.link/p0018r3">P0018R3</a></td>
Richard Smith	b1a268a	2016-08-15 02:47:23 +0000	[diff] [blame]	661	<td class="full" align="center">Clang 3.9</td>
Richard Smith	f006a96	2016-03-04 21:01:14 +0000	[diff] [blame]	662	</tr>
				663	<tr>
				664	<td>Direct-list-initialization of <tt>enum</tt>s</td>
				665	<td><a href="http://wg21.link/p0138r2">P0138R2</a></td>
Richard Smith	b1a268a	2016-08-15 02:47:23 +0000	[diff] [blame]	666	<td class="full" align="center">Clang 3.9</td>
Richard Smith	f006a96	2016-03-04 21:01:14 +0000	[diff] [blame]	667	</tr>
				668	<tr>
				669	<td>Hexadecimal floating-point literals</td>
				670	<td><a href="http://wg21.link/p0245r1">P0245R1</a></td>
				671	<td class="full" align="center">Yes</td>
				672	</tr>
Richard Smith	b130fe7	2016-06-23 19:16:49 +0000	[diff] [blame]	673	<!-- Oulu papers -->
Richard Smith	74f56e7	2016-06-24 11:20:31 +0000	[diff] [blame]	674	<tr>
				675	<td>Using attribute namespaces without repetition</td>
				676	<td><a href="http://wg21.link/p0028r4">P0028R4</a></td>
Richard Smith	b1a268a	2016-08-15 02:47:23 +0000	[diff] [blame]	677	<td class="full" align="center">Clang 3.9</td>
Richard Smith	74f56e7	2016-06-24 11:20:31 +0000	[diff] [blame]	678	</tr>
				679	<tr>
				680	<td>Dynamic memory allocation for over-aligned data</td>
				681	<td><a href="http://wg21.link/p0035r4">P0035R4</a></td>
Ed Schouten	f59d8df	2017-03-16 14:21:00 +0000	[diff] [blame]	682	<td class="full" align="center">Clang 4</td>
Richard Smith	74f56e7	2016-06-24 11:20:31 +0000	[diff] [blame]	683	</tr>
				684	<tr>
Richard Smith	19a311a	2017-02-09 22:47:51 +0000	[diff] [blame]	685	<td rowspan="2">Template argument deduction for class templates</td>
Richard Smith	74f56e7	2016-06-24 11:20:31 +0000	[diff] [blame]	686	<td><a href="http://wg21.link/p0091r3">P0091R3</a></td>
Richard Smith	4e05eaa	2017-02-16 00:36:47 +0000	[diff] [blame]	687	<td rowspan="2" class="svn" align="center">SVN</td>
Richard Smith	74f56e7	2016-06-24 11:20:31 +0000	[diff] [blame]	688	</tr>
Richard Smith	19a311a	2017-02-09 22:47:51 +0000	[diff] [blame]	689	<tr> <!-- from Issaquah -->
				690	<td><a href="http://wg21.link/p0512r0">P0512R0</a></td>
Richard Smith	19a311a	2017-02-09 22:47:51 +0000	[diff] [blame]	691	</tr>
Richard Smith	74f56e7	2016-06-24 11:20:31 +0000	[diff] [blame]	692	<tr>
Richard Smith	3a2dc6f0	2016-06-24 12:21:30 +0000	[diff] [blame]	693	<td>Non-type template parameters with <tt>auto</tt> type</td>
Richard Smith	74f56e7	2016-06-24 11:20:31 +0000	[diff] [blame]	694	<td><a href="http://wg21.link/p0127r2">P0127R2</a></td>
Ed Schouten	f59d8df	2017-03-16 14:21:00 +0000	[diff] [blame]	695	<td class="full" align="center">Clang 4</td>
Richard Smith	74f56e7	2016-06-24 11:20:31 +0000	[diff] [blame]	696	</tr>
				697	<tr>
				698	<td>Guaranteed copy elision</td>
				699	<td><a href="http://wg21.link/p0135r1">P0135R1</a></td>
Ed Schouten	f59d8df	2017-03-16 14:21:00 +0000	[diff] [blame]	700	<td class="full" align="center">Clang 4</td>
Richard Smith	74f56e7	2016-06-24 11:20:31 +0000	[diff] [blame]	701	</tr>
				702	<tr>
Richard Smith	63497c6	2016-07-14 00:14:59 +0000	[diff] [blame]	703	<td rowspan=2>Stricter expression evaluation order</td>
Richard Smith	74f56e7	2016-06-24 11:20:31 +0000	[diff] [blame]	704	<td><a href="http://wg21.link/p0145r3">P0145R3</a></td>
Ed Schouten	f59d8df	2017-03-16 14:21:00 +0000	[diff] [blame]	705	<td class="full" align="center" rowspan=2>Clang 4 <a href="#p0145">(10)</a></td>
Richard Smith	63497c6	2016-07-14 00:14:59 +0000	[diff] [blame]	706	</tr>
				707	<tr>
				708	<td><a href="http://wg21.link/p0400r0">P0400R0</a></td>
Richard Smith	74f56e7	2016-06-24 11:20:31 +0000	[diff] [blame]	709	</tr>
				710	<tr>
Richard Smith	74f56e7	2016-06-24 11:20:31 +0000	[diff] [blame]	711	<td>Requirement to ignore unknown attributes</td>
				712	<td><a href="http://wg21.link/p0283r2">P0283R2</a></td>
				713	<td class="full" align="center">Yes</td>
				714	</tr>
Richard Smith	b130fe7	2016-06-23 19:16:49 +0000	[diff] [blame]	715	<tr>
				716	<td><tt>constexpr</tt> <em>if-statement</em>s</td>
				717	<td><a href="http://wg21.link/p0292r2">P0292R2</a></td>
Richard Smith	b1a268a	2016-08-15 02:47:23 +0000	[diff] [blame]	718	<td class="full" align="center">Clang 3.9</td>
Richard Smith	b130fe7	2016-06-23 19:16:49 +0000	[diff] [blame]	719	</tr>
Richard Smith	74f56e7	2016-06-24 11:20:31 +0000	[diff] [blame]	720	<tr>
				721	<td>Inline variables</td>
				722	<td><a href="http://wg21.link/p0386r2">P0386R2</a></td>
Richard Smith	b1a268a	2016-08-15 02:47:23 +0000	[diff] [blame]	723	<td class="full" align="center">Clang 3.9</td>
Richard Smith	74f56e7	2016-06-24 11:20:31 +0000	[diff] [blame]	724	</tr>
				725	<tr>
				726	<td>Structured bindings</td>
				727	<td><a href="http://wg21.link/p0217r3">P0217R3</a></td>
Ed Schouten	f59d8df	2017-03-16 14:21:00 +0000	[diff] [blame]	728	<td class="full" align="center">Clang 4</td>
Richard Smith	74f56e7	2016-06-24 11:20:31 +0000	[diff] [blame]	729	</tr>
				730	<tr>
Richard Smith	90ea9eb	2016-06-24 14:23:32 +0000	[diff] [blame]	731	<td>Separate variable and condition for <tt>if</tt> and <tt>switch</tt></td>
Richard Smith	74f56e7	2016-06-24 11:20:31 +0000	[diff] [blame]	732	<td><a href="http://wg21.link/p0305r1">P0305R1</a></td>
Richard Smith	b1a268a	2016-08-15 02:47:23 +0000	[diff] [blame]	733	<td class="full" align="center">Clang 3.9</td>
Richard Smith	74f56e7	2016-06-24 11:20:31 +0000	[diff] [blame]	734	</tr>
Richard Smith	5a20d7e	2016-11-11 22:48:43 +0000	[diff] [blame]	735	<!-- Issaquah 2016 papers -->
Richard Smith	5a20d7e	2016-11-11 22:48:43 +0000	[diff] [blame]	736	<tr>
				737	<td>Matching template template parameters to compatible arguments</td>
				738	<td><a href="http://wg21.link/p0522r0">P0522R0</a></td>
Richard Smith	26b86ea	2016-12-31 21:41:23 +0000	[diff] [blame]	739	<td class="partial" align="center">Partial <a href="#p0522">(12)</a></td>
Richard Smith	5a20d7e	2016-11-11 22:48:43 +0000	[diff] [blame]	740	</tr>
				741	<tr>
				742	<td>Removing deprecated dynamic exception specifications</td>
				743	<td><a href="http://wg21.link/p0003r5">P0003R5</a></td>
Ed Schouten	f59d8df	2017-03-16 14:21:00 +0000	[diff] [blame]	744	<td class="full" align="center">Clang 4</td>
Richard Smith	5a20d7e	2016-11-11 22:48:43 +0000	[diff] [blame]	745	</tr>
				746	<tr>
				747	<td>Pack expansions in <em>using-declarations</em></td>
				748	<td><a href="http://wg21.link/p0195r2">P0195R2</a></td>
Ed Schouten	f59d8df	2017-03-16 14:21:00 +0000	[diff] [blame]	749	<td class="full" align="center">Clang 4</td>
Richard Smith	5a20d7e	2016-11-11 22:48:43 +0000	[diff] [blame]	750	</tr>
Richard Smith	cf31c6b	2014-06-20 20:33:10 +0000	[diff] [blame]	751	</table>
Richard Smith	76b9f23	2013-11-07 06:41:26 +0000	[diff] [blame]	752
Richard Smith	42b1057	2015-11-11 01:36:17 +0000	[diff] [blame]	753	<p>
Richard Smith	952923b	2016-02-09 22:48:14 +0000	[diff] [blame]	754	<span id="n3922">(8): This is a backwards-incompatible change that is applied to
Richard Smith	42b1057	2015-11-11 01:36:17 +0000	[diff] [blame]	755	all language versions that allow type deduction from <tt>auto</tt>
				756	(per the request of the C++ committee).
				757	In Clang 3.7, a warning is emitted for all cases that would change meaning.
Richard Smith	4a93c59	2016-06-28 20:37:43 +0000	[diff] [blame]	758	</span><br>
Richard Smith	b17d6fa	2016-12-01 03:04:07 +0000	[diff] [blame]	759	<span id="p0136">(9): This is the resolution to a Defect Report, so is applied
Richard Smith	5179eb7	2016-06-28 19:03:57 +0000	[diff] [blame]	760	to all language versions supporting inheriting constructors.
Richard Smith	762672a	2016-09-28 19:09:10 +0000	[diff] [blame]	761	</span><br>
Richard Smith	b17d6fa	2016-12-01 03:04:07 +0000	[diff] [blame]	762	<span id="p0145">(10): Under the MS ABI, function parameters are destroyed from
Richard Smith	a560ccf	2016-09-29 21:30:12 +0000	[diff] [blame]	763	left to right in the callee. As a result, function parameters in calls to
Richard Smith	762672a	2016-09-28 19:09:10 +0000	[diff] [blame]	764	<tt>operator<<</tt>, <tt>operator>></tt>, <tt>operator->*</tt>,
				765	<tt>operator&&</tt>, <tt>operator\|\|</tt>, and <tt>operator,</tt>
Richard Smith	a560ccf	2016-09-29 21:30:12 +0000	[diff] [blame]	766	functions using expression syntax are no longer guaranteed to be destroyed in
				767	reverse construction order in that ABI.
Richard Smith	e0c7500	2016-11-11 23:46:25 +0000	[diff] [blame]	768	</span><br>
Richard Smith	26b86ea	2016-12-31 21:41:23 +0000	[diff] [blame]	769	<span id="p0522">(12): Despite being the the resolution to a Defect Report, this
				770	feature is disabled by default in all language versions, and can be enabled
Richard Smith	d7279bb	2017-01-13 00:57:54 +0000	[diff] [blame]	771	explicitly with the flag <tt>-frelaxed-template-template-args</tt> in Clang 4.
				772	The change to the standard lacks a corresponding change for template partial
				773	ordering, resulting in ambiguity errors for reasonable and previously-valid
				774	code. This issue is expected to be rectified soon.
Richard Smith	5179eb7	2016-06-28 19:03:57 +0000	[diff] [blame]	775	</span>
Richard Smith	42b1057	2015-11-11 01:36:17 +0000	[diff] [blame]	776	</p>
Richard Smith	e2bf878	2016-09-28 21:01:37 +0000	[diff] [blame]	777	</details>
Richard Smith	42b1057	2015-11-11 01:36:17 +0000	[diff] [blame]	778
Richard Smith	91e474f	2013-11-27 22:58:16 +0000	[diff] [blame]	779	<h2 id="ts">Technical specifications and standing documents</h2>
				780
				781	<p>ISO C++ also publishes a number of documents describing additional language
Richard Smith	e2bf878	2016-09-28 21:01:37 +0000	[diff] [blame]	782	and library features that are not part of standard C++.</p>
				783
				784	<details open>
				785	<summary>List of features and minimum Clang version with support</summary>
Richard Smith	91e474f	2013-11-27 22:58:16 +0000	[diff] [blame]	786
				787	<table width="689" border="1" cellspacing="0">
				788	<tr>
				789	<th>Document</th>
				790	<th>Latest draft</th>
Richard Smith	e2bf878	2016-09-28 21:01:37 +0000	[diff] [blame]	791	<th>Compiler flag</th>
Richard Smith	91e474f	2013-11-27 22:58:16 +0000	[diff] [blame]	792	<th>Available in Clang?</th>
				793	</tr>
				794	<tr>
Richard Smith	6e4bedc	2016-09-28 20:42:56 +0000	[diff] [blame]	795	<td rowspan="3">SD-6: SG10 feature test recommendations</td>
				796	<td rowspan="3"><a href="http://isocpp.org/std/standing-documents/sd-6-sg10-feature-test-recommendations">SD-6</a></td>
Richard Smith	e2bf878	2016-09-28 21:01:37 +0000	[diff] [blame]	797	<td rowspan="3">N/A</td>
Richard Smith	38af856	2014-11-12 21:16:38 +0000	[diff] [blame]	798	<td class="full" align="center">
				799	Clang 3.4 (<a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3745">N3745</a>)</br>
				800	</td>
				801	</tr>
				802	<tr>
Richard Smith	42b1057	2015-11-11 01:36:17 +0000	[diff] [blame]	803	<td class="full" align="center">
Benjamin Kramer	eb0ad45	2015-02-09 11:48:43 +0000	[diff] [blame]	804	Clang 3.6 (<a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4200">N4200</a>)</a>
Richard Smith	38af856	2014-11-12 21:16:38 +0000	[diff] [blame]	805	</td>
Richard Smith	91e474f	2013-11-27 22:58:16 +0000	[diff] [blame]	806	</tr>
Richard Smith	b02043c	2016-09-28 19:44:50 +0000	[diff] [blame]	807	<tr>
Richard Smith	d7279bb	2017-01-13 00:57:54 +0000	[diff] [blame]	808	<td class="full" align="center">
				809	Clang 4 (<a href="http://wg21.link/p0096r3">P0096R3</a>)</a>
Richard Smith	b02043c	2016-09-28 19:44:50 +0000	[diff] [blame]	810	</td>
				811	</tr>
Richard Smith	894835f	2015-11-05 21:41:06 +0000	[diff] [blame]	812	<!-- FIXME: Implement latest recommendations.
Richard Smith	91e474f	2013-11-27 22:58:16 +0000	[diff] [blame]	813	<tr>
Richard Smith	894835f	2015-11-05 21:41:06 +0000	[diff] [blame]	814	<td class="svn" align="center">
Richard Smith	b02043c	2016-09-28 19:44:50 +0000	[diff] [blame]	815	SVN (<a href="http://wg21.link/p0096r3">P0096R3</a>)</a>
Richard Smith	894835f	2015-11-05 21:41:06 +0000	[diff] [blame]	816	</td>
				817	</tr>
				818	-->
				819	<!-- No compiler support is known to be needed for:
				820	* Concurrency TS
				821	* Parallelism TS
				822	* Ranges TS
				823	* Networking TS
				824	* File System TS
				825	-->
				826	<tr>
				827	<td>[TS] Concepts</td>
				828	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/p0121r0.pdf">P0121R0</a></td>
Richard Smith	e2bf878	2016-09-28 21:01:37 +0000	[diff] [blame]	829	<td></td>
				830	<td class="none" align="center">WIP</td>
				831	</tr>
				832	<tr>
				833	<td>[DRAFT TS] Coroutines</td>
Richard Smith	5a20d7e	2016-11-11 22:48:43 +0000	[diff] [blame]	834	<td><a href="http://wg21.link/p0057r7">P0057R7</a></td>
Richard Smith	e2bf878	2016-09-28 21:01:37 +0000	[diff] [blame]	835	<td></td>
				836	<td class="none" align="center">WIP</td>
Richard Smith	91e474f	2013-11-27 22:58:16 +0000	[diff] [blame]	837	</tr>
Richard Smith	3a0ed87	2014-02-15 00:29:00 +0000	[diff] [blame]	838	<tr>
Richard Smith	894835f	2015-11-05 21:41:06 +0000	[diff] [blame]	839	<td>[TS] Library Fundamentals, Version 1 (invocation type traits)</td>
Richard Smith	ea26041	2015-11-05 22:21:52 +0000	[diff] [blame]	840	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4480.html">N4480</a></td>
Richard Smith	e2bf878	2016-09-28 21:01:37 +0000	[diff] [blame]	841	<td>N/A</td>
Richard Smith	3a0ed87	2014-02-15 00:29:00 +0000	[diff] [blame]	842	<td class="none" align="center">No</td>
				843	</tr>
				844	<tr>
Richard Smith	894835f	2015-11-05 21:41:06 +0000	[diff] [blame]	845	<td>[DRAFT TS] Library Fundamentals, Version 2 (<tt>source_location</tt>)</td>
Richard Smith	e2bf878	2016-09-28 21:01:37 +0000	[diff] [blame]	846	<td><a href="http://wg21.link/n4600">N4600</a></td>
				847	<td>N/A</td>
Richard Smith	894835f	2015-11-05 21:41:06 +0000	[diff] [blame]	848	<td class="none" align="center">No</td>
				849	</tr>
				850	<tr>
Richard Smith	e2bf878	2016-09-28 21:01:37 +0000	[diff] [blame]	851	<td>[DRAFT TS] Modules</td>
				852	<td><a href="http://wg21.link/n4592">N4592</a></td>
				853	<td><tt>-fmodules-ts</tt></td>
				854	<td class="none" align="center">WIP</td>
Richard Smith	f006a96	2016-03-04 21:01:14 +0000	[diff] [blame]	855	</tr>
				856	<tr>
Richard Smith	894835f	2015-11-05 21:41:06 +0000	[diff] [blame]	857	<td>[TS] Transactional Memory</td>
Richard Smith	85864d5	2015-11-26 02:23:21 +0000	[diff] [blame]	858	<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4514.pdf">N4514</a></td>
Richard Smith	e2bf878	2016-09-28 21:01:37 +0000	[diff] [blame]	859	<td></td>
Richard Smith	3a0ed87	2014-02-15 00:29:00 +0000	[diff] [blame]	860	<td class="none" align="center">No</td>
				861	</tr>
Richard Smith	91e474f	2013-11-27 22:58:16 +0000	[diff] [blame]	862	</table>
Richard Smith	e2bf878	2016-09-28 21:01:37 +0000	[diff] [blame]	863	</details>
Richard Smith	91e474f	2013-11-27 22:58:16 +0000	[diff] [blame]	864
Cedric Venet	08438133	2009-02-14 20:20:19 +0000	[diff] [blame]	865	</div>
				866	</body>
				867	</html>