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Richard Smith	da62f42	2017-07-15 15:42:36 +0000	[diff] [blame]	5	<title>Clang - C++17, C++14, C++11 and C++98 Status</title>
Gabor Greif	dd4ddf1	2009-02-25 15:22:45 +0000	[diff] [blame]	6	<link type="text/css" rel="stylesheet" href="menu.css">
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				26	<!--*************************************************************************-->
Richard Smith	cf31c6b	2014-06-20 20:33:10 +0000	[diff] [blame]	27	<h1>C++ Support in Clang</h1>
Cedric Venet	08438133	2009-02-14 20:20:19 +0000	[diff] [blame]	28	<!--*************************************************************************-->
Douglas Gregor	0799d91	2009-06-27 19:33:58 +0000	[diff] [blame]	29	<p>Last updated: $Date$</p>
Cedric Venet	08438133	2009-02-14 20:20:19 +0000	[diff] [blame]	30
Richard Smith	0188110	2016-09-28 19:22:36 +0000	[diff] [blame]	31	<p>Clang fully implements all published ISO C++ standards (<a
				32	href="#cxx98">C++98 / C++03</a>, <a
				33	href="#cxx11">C++11</a>, and <a
				34	href="#cxx14">C++14</a>), and most of the upcoming <a
Richard Smith	da62f42	2017-07-15 15:42:36 +0000	[diff] [blame]	35	href="#cxx17">C++17</a> standard.
Alp Toker	05f8943	2013-12-06 06:35:49 +0000	[diff] [blame]	36
Richard Smith	6058634	2013-12-09 08:52:23 +0000	[diff] [blame]	37	<p>The Clang community is continually striving to improve C++ standards
Alp Toker	05f8943	2013-12-06 06:35:49 +0000	[diff] [blame]	38	compliance between releases by submitting and tracking <a
				39	href="cxx_dr_status.html">C++ Defect Reports</a> and implementing resolutions
				40	as they become available.</p>
				41
				42	<p>Experimental work is also under way to implement <a href="#ts">C++ Technical
				43	Specifications</a> that will help drive the future of the C++ programming
				44	language.</p>
				45
Sylvestre Ledru	9ea1f35	2018-09-22 07:41:09 +0000	[diff] [blame]	46	<p>The <a href="https://bugs.llvm.org/">LLVM bug tracker</a> contains Clang
Richard Smith	6058634	2013-12-09 08:52:23 +0000	[diff] [blame]	47	C++ components that track known bugs with Clang's language conformance in
				48	each language mode.</p>
				49
Richard Smith	18743de	2012-02-24 18:42:08 +0000	[diff] [blame]	50	<h2 id="cxx98">C++98 implementation status</h2>
				51
Alp Toker	05f8943	2013-12-06 06:35:49 +0000	[diff] [blame]	52	<p>Clang implements all of the ISO C++ 1998 standard
Douglas Gregor	17aa45d	2011-07-21 17:46:15 +0000	[diff] [blame]	53	(including the defects addressed in the ISO C++ 2003 standard)
Richard Smith	707e3ba	2014-06-22 16:00:05 +0000	[diff] [blame]	54	except for <tt>export</tt> (which was removed in C++11).
Douglas Gregor	bb26a92	2010-02-05 23:51:14 +0000	[diff] [blame]	55
Richard Smith	18743de	2012-02-24 18:42:08 +0000	[diff] [blame]	56	<h2 id="cxx11">C++11 implementation status</h2>
Chris Lattner	6fe3748	2010-05-21 20:59:40 +0000	[diff] [blame]	57
Richard Smith	e2bf878	2016-09-28 21:01:37 +0000	[diff] [blame]	58	<p>Clang 3.3 and later implement all of the <a
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	59	href="https://www.iso.org/standard/50372.html">ISO
Richard Smith	e2bf878	2016-09-28 21:01:37 +0000	[diff] [blame]	60	C++ 2011 standard</a>.
Chris Lattner	6fe3748	2010-05-21 20:59:40 +0000	[diff] [blame]	61
Richard Smith	531c9a0	2013-03-10 00:11:00 +0000	[diff] [blame]	62	<p>By default, Clang builds C++ code according to the C++98 standard, with many
				63	C++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
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	65	with <a href="https://libcxx.llvm.org/">libc++</a> or with gcc's libstdc++.
Jeffrey Yasskin	cb40757	2011-03-29 22:27:50 +0000	[diff] [blame]	66
Richard Smith	e2bf878	2016-09-28 21:01:37 +0000	[diff] [blame]	67	<details>
				68	<summary>List of features and minimum Clang version with support</summary>
				69
Cedric Venet	08438133	2009-02-14 20:20:19 +0000	[diff] [blame]	70	<table width="689" border="1" cellspacing="0">
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	71	<tr>
Benjamin Kramer	1c9e158	2011-11-05 10:11:36 +0000	[diff] [blame]	72	<th>Language Feature</th>
Richard Smith	18743de	2012-02-24 18:42:08 +0000	[diff] [blame]	73	<th>C++11 Proposal</th>
Benjamin Kramer	1c9e158	2011-11-05 10:11:36 +0000	[diff] [blame]	74	<th>Available in Clang?</th>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	75	</tr>
				76	<tr>
Richard Smith	1f8aa53	2019-07-20 08:20:54 +0000	[diff] [blame]	77	<td rowspan="2">Rvalue references</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	78	<td><a href="https://wg21.link/n2118">N2118</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	79	<td class="full" align="center">Clang 2.9</td>
Richard Smith	1f8aa53	2019-07-20 08:20:54 +0000	[diff] [blame]	80	<tr> <!-- from Kona 2019-->
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	81	<td><a href="https://wg21.link/p1825r0">P1825R0</a> (<a href="#dr">DR</a>)</td>
Richard Smith	1f8aa53	2019-07-20 08:20:54 +0000	[diff] [blame]	82	<td class="none" align="center">No</td>
				83	</tr>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	84	</tr>
				85	<tr>
				86	<td>    Rvalue references for <code>*this</code></td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	87	<td><a href="https://wg21.link/n2439">N2439</a></td>
Benjamin Kramer	1c9e158	2011-11-05 10:11:36 +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>Initialization of class objects by rvalues</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	92	<td><a href="https://wg21.link/n1610">N1610</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	93	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	94	</tr>
				95	<tr>
				96	<td>Non-static data member initializers</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	97	<td><a href="https://wg21.link/n2756">N2756</a></td>
Benjamin Kramer	1c9e158	2011-11-05 10:11:36 +0000	[diff] [blame]	98	<td class="full" align="center">Clang 3.0</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	99	</tr>
				100	<tr>
				101	<td>Variadic templates</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	102	<td><a href="https://wg21.link/n2242">N2242</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>    Extending variadic template template parameters</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	107	<td><a href="https://wg21.link/n2555">N2555</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	108	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	109	</tr>
				110	<tr>
Richard Smith	456e7af	2019-02-23 21:06:25 +0000	[diff] [blame]	111	<td rowspan="2">Initializer lists</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	112	<td><a href="https://wg21.link/n2672">N2672</a></td>
Richard Smith	607d631	2012-05-23 01:38:11 +0000	[diff] [blame]	113	<td class="full" align="center">Clang 3.1</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	114	</tr>
Richard Smith	456e7af	2019-02-23 21:06:25 +0000	[diff] [blame]	115	<tr> <!-- from Kona 2019-->
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	116	<td><a href="https://wg21.link/p1009r2">P1009R2</a> (<a href="#dr">DR</a>)</td>
Richard Smith	2d2850f	2019-09-20 18:09:05 +0000	[diff] [blame]	117	<td class="full" align="center">Clang 9</td>
Richard Smith	456e7af	2019-02-23 21:06:25 +0000	[diff] [blame]	118	</tr>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	119	<tr>
				120	<td>Static assertions</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	121	<td><a href="https://wg21.link/n1720">N1720</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	122	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	123	</tr>
				124	<tr>
				125	<td><code>auto</code>-typed variables</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	126	<td><a href="https://wg21.link/n1984">N1984</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	127	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	128	</tr>
				129	<tr>
				130	<td>    Multi-declarator <code>auto</code></td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	131	<td><a href="https://wg21.link/n1737">N1737</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	132	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	133	</tr>
				134	<tr>
				135	<td>    Removal of auto as a storage-class specifier</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	136	<td><a href="https://wg21.link/n2546">N2546</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	137	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	138	</tr>
				139	<tr>
				140	<td>    New function declarator syntax</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	141	<td><a href="https://wg21.link/n2541">N2541</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	142	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	143	</tr>
				144	<tr>
Richard Smith	a14f320	2018-03-17 14:28:47 +0000	[diff] [blame]	145	<td rowspan="2">Lambda expressions</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	146	<td><a href="https://wg21.link/n2927">N2927</a></td>
Richard Smith	607d631	2012-05-23 01:38:11 +0000	[diff] [blame]	147	<td class="full" align="center">Clang 3.1</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	148	</tr>
Richard Smith	a14f320	2018-03-17 14:28:47 +0000	[diff] [blame]	149	<tr>
				150	<!-- from Albuquerque 2017 -->
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	151	<td><a href="https://wg21.link/p0588r1">P0588R1</a> (<a href="#dr">DR</a>)</td>
Richard Smith	a14f320	2018-03-17 14:28:47 +0000	[diff] [blame]	152	<td class="none" align="center">No</td>
				153	</tr>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	154	<tr>
				155	<td>Declared type of an expression</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	156	<td><a href="https://wg21.link/n2343">N2343</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	157	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	158	</tr>
				159	<tr>
Douglas Gregor	0598962	2012-04-10 20:00:33 +0000	[diff] [blame]	160	<td>    Incomplete return types</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	161	<td><a href="https://wg21.link/n3276">N3276</a></td>
Richard Smith	607d631	2012-05-23 01:38:11 +0000	[diff] [blame]	162	<td class="full" align="center">Clang 3.1</td>
Douglas Gregor	0598962	2012-04-10 20:00:33 +0000	[diff] [blame]	163	</tr>
				164	<tr>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	165	<td>Right angle brackets</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	166	<td><a href="https://wg21.link/n1757">N1757</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	167	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	168	</tr>
				169	<tr>
				170	<td>Default template arguments for function templates</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	171	<td><a href="https://wg21.link/cwg226">DR226</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	172	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	173	</tr>
				174	<tr>
				175	<td>Solving the SFINAE problem for expressions</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	176	<td><a href="https://wg21.link/n2634">DR339</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	177	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	178	</tr>
				179	<tr>
				180	<td>Alias templates</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	181	<td><a href="https://wg21.link/n2258">N2258</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	182	<td class="full" align="center">Clang 3.0</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	183	</tr>
				184	<tr>
				185	<td>Extern templates</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	186	<td><a href="https://wg21.link/n1987">N1987</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	187	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	188	</tr>
				189	<tr>
				190	<td>Null pointer constant</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	191	<td><a href="https://wg21.link/n2431">N2431</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	192	<td class="full" align="center">Clang 3.0</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	193	</tr>
				194	<tr>
				195	<td>Strongly-typed enums</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	196	<td><a href="https://wg21.link/n2347">N2347</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	197	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	198	</tr>
				199	<tr>
				200	<td>Forward declarations for enums</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	201	<td><a href="https://wg21.link/n2764">N2764</a>
				202	<br><a href="https://wg21.link/cwg1206">DR1206</a></td>
Richard Smith	607d631	2012-05-23 01:38:11 +0000	[diff] [blame]	203	<td class="full" align="center">Clang 3.1</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	204	</tr>
				205	<tr>
Richard Smith	3dd73db	2014-01-17 00:11:48 +0000	[diff] [blame]	206	<td>Standardized attribute syntax</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	207	<td><a href="https://wg21.link/n2761">N2761</a></td>
Richard Smith	9924772	2013-06-17 23:54:23 +0000	[diff] [blame]	208	<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]	209	</tr>
				210	<tr>
Richard Smith	a14f320	2018-03-17 14:28:47 +0000	[diff] [blame]	211	<td rowspan="2">Generalized constant expressions</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	212	<td><a href="https://wg21.link/n2235">N2235</a></td>
Richard Smith	607d631	2012-05-23 01:38:11 +0000	[diff] [blame]	213	<td class="full" align="center">Clang 3.1</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	214	</tr>
Richard Smith	a14f320	2018-03-17 14:28:47 +0000	[diff] [blame]	215	<tr>
				216	<!-- from Albuquerque 2017 -->
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	217	<td><a href="https://wg21.link/p0859r0">P0859R0</a> (<a href="#dr">DR</a>)</td>
Richard Smith	de510a8	2019-05-04 00:23:18 +0000	[diff] [blame]	218	<td class="full" align="center">Clang 8</td>
Richard Smith	a14f320	2018-03-17 14:28:47 +0000	[diff] [blame]	219	</tr>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	220	<tr>
				221	<td>Alignment support</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	222	<td><a href="https://wg21.link/n2341">N2341</a></td>
Richard Smith	9924772	2013-06-17 23:54:23 +0000	[diff] [blame]	223	<td class="full" align="center">Clang 3.3</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	224	</tr>
Richard Smith	7e34fbd	2014-03-14 21:21:24 +0000	[diff] [blame]	225	<tr>
				226	<td>Conditionally-support behavior</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	227	<td><a href="https://wg21.link/n1627">N1627</a></td>
Richard Smith	7e34fbd	2014-03-14 21:21:24 +0000	[diff] [blame]	228	<td class="full" align="center">Clang 2.9</td>
				229	</tr>
				230	<tr>
				231	<td>Changing undefined behavior into diagnosable errors</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	232	<td><a href="https://wg21.link/n1727">N1727</a></td>
Richard Smith	7e34fbd	2014-03-14 21:21:24 +0000	[diff] [blame]	233	<td class="full" align="center">Clang 2.9</td>
				234	</tr>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	235	<tr>
				236	<td>Delegating constructors</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	237	<td><a href="https://wg21.link/n1986">N1986</a></td>
Benjamin Kramer	1c9e158	2011-11-05 10:11:36 +0000	[diff] [blame]	238	<td class="full" align="center">Clang 3.0</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	239	</tr>
				240	<tr>
Richard Smith	a14f320	2018-03-17 14:28:47 +0000	[diff] [blame]	241	<td rowspan="2">Inheriting constructors</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	242	<td><a href="https://wg21.link/n2540">N2540</a></td>
Richard Smith	9924772	2013-06-17 23:54:23 +0000	[diff] [blame]	243	<td class="full" align="center">Clang 3.3</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	244	</tr>
Richard Smith	a14f320	2018-03-17 14:28:47 +0000	[diff] [blame]	245	<tr>
				246	<!-- from Kona 2015 -->
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	247	<td><a href="https://wg21.link/p0136r1">P0136R1</a> (<a href="#dr">DR</a>)</td>
Richard Smith	a14f320	2018-03-17 14:28:47 +0000	[diff] [blame]	248	<td class="full" align="center">Clang 3.9</td>
				249	</tr>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	250	<tr>
				251	<td>Explicit conversion operators</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	252	<td><a href="https://wg21.link/n2437">N2437</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	253	<td class="full" align="center">Clang 3.0</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	254	</tr>
				255	<tr>
				256	<td>New character types</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	257	<td><a href="https://wg21.link/n2249">N2249</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	258	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	259	</tr>
				260	<tr>
				261	<td>Unicode string literals</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	262	<td><a href="https://wg21.link/n2442">N2442</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	263	<td class="full" align="center">Clang 3.0</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	264	</tr>
				265	<tr>
				266	<td>Raw string literals</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	267	<td><a href="https://wg21.link/n2442">N2442</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	268	<td class="full" align="center">Clang 3.0</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	269	</tr>
				270	<tr>
Richard Smith	2a70e65	2012-03-09 22:27:51 +0000	[diff] [blame]	271	<td>Universal character names in literals</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	272	<td><a href="https://wg21.link/n2170">N2170</a></td>
Richard Smith	607d631	2012-05-23 01:38:11 +0000	[diff] [blame]	273	<td class="full" align="center">Clang 3.1</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	274	</tr>
				275	<tr>
				276	<td>User-defined literals</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	277	<td><a href="https://wg21.link/n2765">N2765</a></td>
Richard Smith	607d631	2012-05-23 01:38:11 +0000	[diff] [blame]	278	<td class="full" align="center">Clang 3.1</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	279	</tr>
				280	<tr>
				281	<td>Standard Layout Types</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	282	<td><a href="https://wg21.link/n2342">N2342</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	283	<td class="full" align="center">Clang 3.0</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	284	</tr>
				285	<tr>
Richard Smith	456e7af	2019-02-23 21:06:25 +0000	[diff] [blame]	286	<td rowspan="2">Defaulted functions</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	287	<td><a href="https://wg21.link/n2346">N2346</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	288	<td class="full" align="center">Clang 3.0</td>
Douglas Gregor	7ff1e7e	2011-10-28 19:44:09 +0000	[diff] [blame]	289	</tr>
Richard Smith	456e7af	2019-02-23 21:06:25 +0000	[diff] [blame]	290	<tr> <!-- from Kona 2019-->
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	291	<td><a href="https://wg21.link/p1286r2">P1286R2</a> (<a href="#dr">DR</a>)</td>
Richard Smith	2d2850f	2019-09-20 18:09:05 +0000	[diff] [blame]	292	<td class="full" align="center">Clang 9</td>
Richard Smith	456e7af	2019-02-23 21:06:25 +0000	[diff] [blame]	293	</tr>
Douglas Gregor	7ff1e7e	2011-10-28 19:44:09 +0000	[diff] [blame]	294	<tr>
				295	<td>Deleted functions</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	296	<td><a href="https://wg21.link/n2346">N2346</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	297	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	298	</tr>
				299	<tr>
				300	<td>Extended friend declarations</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	301	<td><a href="https://wg21.link/n1791">N1791</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	302	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	303	</tr>
				304	<tr>
				305	<td>Extending <code>sizeof</code></td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	306	<td><a href="https://wg21.link/n2253">N2253</a>
				307	<br><a href="https://wg21.link/cwg850">DR850</a></td>
Richard Smith	607d631	2012-05-23 01:38:11 +0000	[diff] [blame]	308	<td class="full" align="center">Clang 3.1</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	309	</tr>
				310	<tr>
				311	<td>Inline namespaces</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	312	<td><a href="https://wg21.link/n2535">N2535</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	313	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	314	</tr>
				315	<tr>
				316	<td>Unrestricted unions</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	317	<td><a href="https://wg21.link/n2544">N2544</a></td>
Richard Smith	607d631	2012-05-23 01:38:11 +0000	[diff] [blame]	318	<td class="full" align="center">Clang 3.1</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	319	</tr>
				320	<tr>
				321	<td>Local and unnamed types as template arguments</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	322	<td><a href="https://wg21.link/n2657">N2657</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	323	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	324	</tr>
				325	<tr>
Richard Smith	a14f320	2018-03-17 14:28:47 +0000	[diff] [blame]	326	<td rowspan="2">Range-based for</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	327	<td><a href="https://wg21.link/n2930">N2930</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	328	<td class="full" align="center">Clang 3.0</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	329	</tr>
Richard Smith	a14f320	2018-03-17 14:28:47 +0000	[diff] [blame]	330	<tr>
				331	<!-- from Jacksonville 2018 -->
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	332	<td><a href="https://wg21.link/p0962r1">P0962R1</a> (<a href="#dr">DR</a>)</td>
Richard Smith	de510a8	2019-05-04 00:23:18 +0000	[diff] [blame]	333	<td class="full" align="center">Clang 8</td>
Richard Smith	a14f320	2018-03-17 14:28:47 +0000	[diff] [blame]	334	</tr>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	335	<tr>
				336	<td>Explicit virtual overrides</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	337	<td><a href="https://wg21.link/n2928">N2928</a>
				338	<br><a href="https://wg21.link/n3206">N3206</a>
				339	<br><a href="https://wg21.link/n3272">N3272</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	340	<td class="full" align="center">Clang 3.0</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	341	</tr>
				342	<tr>
				343	<td>Minimal support for garbage collection and reachability-based leak detection</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	344	<td><a href="https://wg21.link/n2670">N2670</a></td>
Richard Smith	d997cce	2014-03-14 20:26:09 +0000	[diff] [blame]	345	<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]	346	</tr>
				347	<tr>
				348	<td>Allowing move constructors to throw [noexcept]</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	349	<td><a href="https://wg21.link/n3050">N3050</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	350	<td class="full" align="center">Clang 3.0</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	351	</tr>
				352	<tr>
				353	<td>Defining move special member functions</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	354	<td><a href="https://wg21.link/n3053">N3053</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	355	<td class="full" align="center">Clang 3.0</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	356	</tr>
Cedric Venet	08438133	2009-02-14 20:20:19 +0000	[diff] [blame]	357
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	358	<tr class="separator">
Benjamin Kramer	1c9e158	2011-11-05 10:11:36 +0000	[diff] [blame]	359	<th align="center" colspan="3">Concurrency</th>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	360	</tr>
				361	<tr>
				362	<td>Sequence points</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	363	<td><a href="https://wg21.link/n2239">N2239</a></td>
Richard Smith	9924772	2013-06-17 23:54:23 +0000	[diff] [blame]	364	<td class="full" align="center">Clang 3.3</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	365	</tr>
				366	<tr>
				367	<td>Atomic operations</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	368	<td><a href="https://wg21.link/n2427">N2427</a></td>
Richard Smith	607d631	2012-05-23 01:38:11 +0000	[diff] [blame]	369	<td class="full" align="center">Clang 3.1</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	370	</tr>
				371	<tr>
				372	<td>Strong Compare and Exchange</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	373	<td><a href="https://wg21.link/n2748">N2748</a></td>
Richard Smith	d997cce	2014-03-14 20:26:09 +0000	[diff] [blame]	374	<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]	375	</tr>
				376	<tr>
				377	<td>Bidirectional Fences</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	378	<td><a href="https://wg21.link/n2752">N2752</a></td>
Richard Smith	607d631	2012-05-23 01:38:11 +0000	[diff] [blame]	379	<td class="full" align="center">Clang 3.1</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	380	</tr>
Douglas Gregor	6b6e082	2010-12-21 05:43:31 +0000	[diff] [blame]	381
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	382	<tr>
				383	<td>Memory model</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	384	<td><a href="https://wg21.link/n2429">N2429</a></td>
Richard Smith	bc4fc77	2013-01-29 04:55:18 +0000	[diff] [blame]	385	<td class="full" align="center">Clang 3.2</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	386	</tr>
				387	<tr>
				388	<td>Data-dependency ordering: atomics and memory model</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	389	<td><a href="https://wg21.link/n2664">N2664</a></td>
Richard Smith	d997cce	2014-03-14 20:26:09 +0000	[diff] [blame]	390	<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]	391	</tr>
				392	<tr>
				393	<td>Propagating exceptions</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	394	<td><a href="https://wg21.link/n2179">N2179</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	395	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	396	</tr>
				397	<tr>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	398	<td>Allow atomics use in signal handlers</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	399	<td><a href="https://wg21.link/n2547">N2547</a></td>
Richard Smith	607d631	2012-05-23 01:38:11 +0000	[diff] [blame]	400	<td class="full" align="center">Clang 3.1</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	401	</tr>
				402	<tr>
				403	<td>Thread-local storage</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	404	<td><a href="https://wg21.link/n2659">N2659</a></td>
Richard Smith	952923b	2016-02-09 22:48:14 +0000	[diff] [blame]	405	<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]	406	</tr>
				407	<tr>
				408	<td>Dynamic initialization and destruction with concurrency</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	409	<td><a href="https://wg21.link/n2660">N2660</a></td>
Richard Smith	537a834	2013-02-22 09:31:00 +0000	[diff] [blame]	410	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	411	</tr>
Cedric Venet	08438133	2009-02-14 20:20:19 +0000	[diff] [blame]	412
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	413	<tr class="separator">
Richard Smith	18743de	2012-02-24 18:42:08 +0000	[diff] [blame]	414	<th align="center" colspan="3">C99 Features in C++11</th>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	415	</tr>
				416	<tr>
				417	<td><code>__func__</code> predefined identifier</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	418	<td><a href="https://wg21.link/n2340">N2340</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	419	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	420	</tr>
				421	<tr>
				422	<td>C99 preprocessor</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	423	<td><a href="https://wg21.link/n1653">N1653</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	424	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	425	</tr>
				426	<tr>
				427	<td><code>long long</code></td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	428	<td><a href="https://wg21.link/n1811">N1811</a></td>
Michael J. Spencer	e73bd64	2011-11-02 06:29:37 +0000	[diff] [blame]	429	<td class="full" align="center">Clang 2.9</td>
Douglas Gregor	1f64b59	2011-10-14 23:21:49 +0000	[diff] [blame]	430	</tr>
				431	<tr>
				432	<td>Extended integral types</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	433	<td><a href="https://wg21.link/n1988">N1988</a></td>
Richard Smith	952923b	2016-02-09 22:48:14 +0000	[diff] [blame]	434	<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]	435	</tr>
Cedric Venet	08438133	2009-02-14 20:20:19 +0000	[diff] [blame]	436	</table>
Richard Smith	9deb9d9	2013-03-12 19:56:09 +0000	[diff] [blame]	437
				438	<p>
				439	<span id="n2761">(1): The <code>[[carries_dependency]]</code> attribute
Richard Smith	38546ed	2013-03-18 21:57:52 +0000	[diff] [blame]	440	has no effect.</span><br>
Richard Smith	d997cce	2014-03-14 20:26:09 +0000	[diff] [blame]	441	<span id="n2670">(2): No compiler changes are required for an implementation
				442	such as Clang that does not provide garbage collection.</span><br>
				443	<span id="n2748">(3): All compare-exchange operations are emitted as
Richard Smith	38546ed	2013-03-18 21:57:52 +0000	[diff] [blame]	444	strong compare-exchanges.</span><br>
Richard Smith	d997cce	2014-03-14 20:26:09 +0000	[diff] [blame]	445	<span id="n2664">(4): <code>memory_order_consume</code> is lowered to
Richard Smith	38546ed	2013-03-18 21:57:52 +0000	[diff] [blame]	446	<code>memory_order_acquire</code>.</span><br>
Richard Smith	952923b	2016-02-09 22:48:14 +0000	[diff] [blame]	447	<span id="n2659">(5): <code>thread_local</code> support
				448	requires a C++ runtime library providing <code>__cxa_thread_atexit</code>, such
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	449	as <a href="https://libcxxabi.llvm.org">libc++abi</a> 3.6 or later,
Richard Smith	952923b	2016-02-09 22:48:14 +0000	[diff] [blame]	450	or libsupc++ 4.8 or later.</span><br>
				451	<span id="n1988">(6): No compiler changes are required for an implementation
Richard Smith	d997cce	2014-03-14 20:26:09 +0000	[diff] [blame]	452	such as Clang that does not provide any extended integer types.
				453	<code>__int128</code> is not treated as an extended integer type,
				454	because changing <code>intmax_t</code> would be an ABI-incompatible
				455	change.</span>
Richard Smith	9deb9d9	2013-03-12 19:56:09 +0000	[diff] [blame]	456	</p>
Richard Smith	e2bf878	2016-09-28 21:01:37 +0000	[diff] [blame]	457	</details>
Richard Smith	9deb9d9	2013-03-12 19:56:09 +0000	[diff] [blame]	458
Richard Smith	20f3767	2014-08-31 04:17:48 +0000	[diff] [blame]	459	<h2 id="cxx14">C++14 implementation status</h2>
Richard Smith	9172520	2013-04-19 17:27:48 +0000	[diff] [blame]	460
Richard Smith	0188110	2016-09-28 19:22:36 +0000	[diff] [blame]	461	<p>Clang 3.4 and later implement all of the <a
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	462	href="https://www.iso.org/standard/64029.html">ISO
Richard Smith	e2bf878	2016-09-28 21:01:37 +0000	[diff] [blame]	463	C++ 2014 standard</a>.
Richard Smith	9172520	2013-04-19 17:27:48 +0000	[diff] [blame]	464
Richard Smith	20f3767	2014-08-31 04:17:48 +0000	[diff] [blame]	465	<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]	466	(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]	467
Richard Smith	e2bf878	2016-09-28 21:01:37 +0000	[diff] [blame]	468	<details>
				469	<summary>List of features and minimum Clang version with support</summary>
				470
Richard Smith	9172520	2013-04-19 17:27:48 +0000	[diff] [blame]	471	<table width="689" border="1" cellspacing="0">
				472	<tr>
				473	<th>Language Feature</th>
Richard Smith	20f3767	2014-08-31 04:17:48 +0000	[diff] [blame]	474	<th>C++14 Proposal</th>
Richard Smith	9172520	2013-04-19 17:27:48 +0000	[diff] [blame]	475	<th>Available in Clang?</th>
				476	</tr>
				477	<tr>
				478	<td>Tweak to certain C++ contextual conversions</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	479	<td><a href="https://wg21.link/n3323">N3323</a></td>
Richard Smith	7fe8962	2014-02-03 06:58:08 +0000	[diff] [blame]	480	<td class="full" align="center">Clang 3.4</td>
Richard Smith	9172520	2013-04-19 17:27:48 +0000	[diff] [blame]	481	</tr>
				482	<tr>
Richard Smith	0fa4fce	2013-04-20 12:44:32 +0000	[diff] [blame]	483	<td>Binary literals</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	484	<td><a href="https://wg21.link/n3472">N3472</a></td>
Benjamin Kramer	eb0ad45	2015-02-09 11:48:43 +0000	[diff] [blame]	485	<td class="full" align="center">Clang 2.9</td>
Richard Smith	9172520	2013-04-19 17:27:48 +0000	[diff] [blame]	486	</tr>
				487	<tr>
Richard Smith	74aeef5	2013-04-26 16:15:35 +0000	[diff] [blame]	488	<td>decltype(auto)</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	489	<td rowspan=2 style="vertical-align:middle"><a href="https://wg21.link/n3638">N3638</a></td>
Richard Smith	9924772	2013-06-17 23:54:23 +0000	[diff] [blame]	490	<td class="full" align="center">Clang 3.3</td>
Richard Smith	74aeef5	2013-04-26 16:15:35 +0000	[diff] [blame]	491	</tr>
				492	<tr>
Richard Smith	5db8b28	2013-04-20 12:47:36 +0000	[diff] [blame]	493	<td>Return type deduction for normal functions</td>
Richard Smith	7fe8962	2014-02-03 06:58:08 +0000	[diff] [blame]	494	<td class="full" align="center">Clang 3.4</td>
Richard Smith	5db8b28	2013-04-20 12:47:36 +0000	[diff] [blame]	495	</tr>
Richard Smith	0fa4fce	2013-04-20 12:44:32 +0000	[diff] [blame]	496	<tr>
Richard Smith	5db8b28	2013-04-20 12:47:36 +0000	[diff] [blame]	497	<td>Initialized lambda captures</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	498	<td><a href="https://wg21.link/n3648">N3648</a></td>
Richard Smith	7fe8962	2014-02-03 06:58:08 +0000	[diff] [blame]	499	<td class="full" align="center">Clang 3.4</td>
Richard Smith	9172520	2013-04-19 17:27:48 +0000	[diff] [blame]	500	</tr>
				501	<tr>
Richard Smith	7898d7b	2013-04-20 12:58:57 +0000	[diff] [blame]	502	<td>Generic lambdas</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	503	<td><a href="https://wg21.link/n3649">N3649</a></td>
Richard Smith	7fe8962	2014-02-03 06:58:08 +0000	[diff] [blame]	504	<td class="full" align="center">Clang 3.4</td>
Richard Smith	9172520	2013-04-19 17:27:48 +0000	[diff] [blame]	505	</tr>
				506	<tr>
Richard Smith	7898d7b	2013-04-20 12:58:57 +0000	[diff] [blame]	507	<td>Variable templates</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	508	<td><a href="https://wg21.link/n3651">N3651</a></td>
Richard Smith	7fe8962	2014-02-03 06:58:08 +0000	[diff] [blame]	509	<td class="full" align="center">Clang 3.4</td>
Richard Smith	9172520	2013-04-19 17:27:48 +0000	[diff] [blame]	510	</tr>
				511	<tr>
Richard Smith	7feda2f	2013-04-20 12:49:36 +0000	[diff] [blame]	512	<td>Relaxing requirements on constexpr functions</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	513	<td><a href="https://wg21.link/n3652">N3652</a></td>
Richard Smith	7fe8962	2014-02-03 06:58:08 +0000	[diff] [blame]	514	<td class="full" align="center">Clang 3.4</td>
Richard Smith	9172520	2013-04-19 17:27:48 +0000	[diff] [blame]	515	</tr>
				516	<tr>
Richard Smith	5db8b28	2013-04-20 12:47:36 +0000	[diff] [blame]	517	<td>Member initializers and aggregates</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	518	<td><a href="https://wg21.link/n3653">N3653</a></td>
Richard Smith	9924772	2013-06-17 23:54:23 +0000	[diff] [blame]	519	<td class="full" align="center">Clang 3.3</td>
Richard Smith	9172520	2013-04-19 17:27:48 +0000	[diff] [blame]	520	</tr>
Richard Smith	9172520	2013-04-19 17:27:48 +0000	[diff] [blame]	521	<tr>
Richard Smith	d3a7386	2013-04-20 12:57:49 +0000	[diff] [blame]	522	<td>Clarifying memory allocation</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	523	<td><a href="https://wg21.link/n3664">N3664</a></td>
Richard Smith	7fe8962	2014-02-03 06:58:08 +0000	[diff] [blame]	524	<td class="full" align="center">Clang 3.4</td>
Richard Smith	9172520	2013-04-19 17:27:48 +0000	[diff] [blame]	525	</tr>
Richard Smith	3ca005b	2013-09-27 19:11:33 +0000	[diff] [blame]	526	<tr>
				527	<td><tt>[[deprecated]]</tt> attribute</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	528	<td><a href="https://wg21.link/n3760">N3760</a></td>
Richard Smith	7fe8962	2014-02-03 06:58:08 +0000	[diff] [blame]	529	<td class="full" align="center">Clang 3.4</td>
Richard Smith	3ca005b	2013-09-27 19:11:33 +0000	[diff] [blame]	530	</tr>
				531	<tr>
				532	<td>Single quotation mark as digit separator</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	533	<td><a href="https://wg21.link/n3781">N3781</a></td>
Richard Smith	7fe8962	2014-02-03 06:58:08 +0000	[diff] [blame]	534	<td class="full" align="center">Clang 3.4</td>
Richard Smith	3ca005b	2013-09-27 19:11:33 +0000	[diff] [blame]	535	</tr>
				536	<tr>
Benjamin Kramer	8ba47d0	2013-09-27 19:35:09 +0000	[diff] [blame]	537	<td>C++ Sized Deallocation</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	538	<td><a href="https://wg21.link/n3778">N3778</a></td>
Richard Smith	952923b	2016-02-09 22:48:14 +0000	[diff] [blame]	539	<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]	540	</tr>
Richard Smith	9172520	2013-04-19 17:27:48 +0000	[diff] [blame]	541	</table>
Reid Kleckner	7ffc3fb	2015-03-20 00:31:07 +0000	[diff] [blame]	542
Larisse Voufo	ee3c1b2	2015-02-19 04:34:13 +0000	[diff] [blame]	543	<p>
Richard Smith	952923b	2016-02-09 22:48:14 +0000	[diff] [blame]	544	<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]	545	if the user passes the <code>-fsized-deallocation</code> flag. The user must
				546	supply definitions of the sized deallocation functions, either by providing them
				547	explicitly or by using a C++ standard library that does. <code>libstdc++</code>
				548	added these functions in version 5.0, and <code>libc++</code> added them in
				549	version 3.7.
Larisse Voufo	ee3c1b2	2015-02-19 04:34:13 +0000	[diff] [blame]	550	</span>
				551	</p>
Richard Smith	e2bf878	2016-09-28 21:01:37 +0000	[diff] [blame]	552	</details>
Richard Smith	9172520	2013-04-19 17:27:48 +0000	[diff] [blame]	553
Richard Smith	da62f42	2017-07-15 15:42:36 +0000	[diff] [blame]	554	<h2 id="cxx17">C++17 implementation status</h2>
Richard Smith	76b9f23	2013-11-07 06:41:26 +0000	[diff] [blame]	555
Richard Smith	a14f320	2018-03-17 14:28:47 +0000	[diff] [blame]	556	<p>Clang 5 and later implement all the features of the
				557	<a href="https://www.iso.org/standard/68564.html">ISO C++ 2017 standard</a>.
Richard Smith	cf31c6b	2014-06-20 20:33:10 +0000	[diff] [blame]	558
Richard Smith	c61fec2	2017-08-30 23:10:31 +0000	[diff] [blame]	559	<p>You can use Clang in C++17 mode with the <code>-std=c++17</code> option
				560	(use <code>-std=c++1z</code> in Clang 4 and earlier).</p>
Richard Smith	cf31c6b	2014-06-20 20:33:10 +0000	[diff] [blame]	561
Richard Smith	e2bf878	2016-09-28 21:01:37 +0000	[diff] [blame]	562	<details open>
				563	<summary>List of features and minimum Clang version with support</summary>
				564
Richard Smith	cf31c6b	2014-06-20 20:33:10 +0000	[diff] [blame]	565	<table width="689" border="1" cellspacing="0">
				566	<tr>
				567	<th>Language Feature</th>
Richard Smith	da62f42	2017-07-15 15:42:36 +0000	[diff] [blame]	568	<th>C++17 Proposal</th>
Richard Smith	cf31c6b	2014-06-20 20:33:10 +0000	[diff] [blame]	569	<th>Available in Clang?</th>
				570	</tr>
Richard Smith	5a20d7e	2016-11-11 22:48:43 +0000	[diff] [blame]	571	<!-- Issaquah 2014 papers -->
Richard Smith	cf31c6b	2014-06-20 20:33:10 +0000	[diff] [blame]	572	<tr>
				573	<td><tt>static_assert</tt> with no message</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	574	<td><a href="https://wg21.link/n3928">N3928</a></td>
Richard Smith	ee0a49c	2014-09-11 17:30:32 +0000	[diff] [blame]	575	<td class="full" align="center">Clang 3.5</td>
Richard Smith	cf31c6b	2014-06-20 20:33:10 +0000	[diff] [blame]	576	</tr>
Richard Smith	0f0af19	2014-11-08 05:07:16 +0000	[diff] [blame]	577	<!-- Rapperswil papers -->
Richard Smith	cf31c6b	2014-06-20 20:33:10 +0000	[diff] [blame]	578	<tr>
				579	<td>Disabling trigraph expansion by default</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	580	<td><a href="https://wg21.link/n4086">N4086</a></td>
Richard Smith	ee0a49c	2014-09-11 17:30:32 +0000	[diff] [blame]	581	<td class="full" align="center">Clang 3.5</td>
Richard Smith	cf31c6b	2014-06-20 20:33:10 +0000	[diff] [blame]	582	</tr>
Richard Smith	83d3f15	2014-11-27 01:54:27 +0000	[diff] [blame]	583	<!--
Richard Smith	cf31c6b	2014-06-20 20:33:10 +0000	[diff] [blame]	584	<tr>
Richard Smith	da62f42	2017-07-15 15:42:36 +0000	[diff] [blame]	585	<td rowspan="2">Terse range-based for loops (removed from C++17)</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	586	<td rowspan="2"><a href="https://wg21.link/n3994">N3994</a></td>
Richard Smith	83d3f15	2014-11-27 01:54:27 +0000	[diff] [blame]	587	<td class="none" align="center">Clang 3.5: Yes</td>
Richard Smith	cf31c6b	2014-06-20 20:33:10 +0000	[diff] [blame]	588	</tr>
				589	<tr>
Richard Smith	83d3f15	2014-11-27 01:54:27 +0000	[diff] [blame]	590	<td class="svn" align="center">SVN: No</td>
				591	</tr>
				592	-->
				593	<tr>
Richard Smith	cf31c6b	2014-06-20 20:33:10 +0000	[diff] [blame]	594	<td><tt>typename</tt> in a template template parameter</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	595	<td><a href="https://wg21.link/n4051">N4051</a></td>
Richard Smith	ee0a49c	2014-09-11 17:30:32 +0000	[diff] [blame]	596	<td class="full" align="center">Clang 3.5</td>
Richard Smith	cf31c6b	2014-06-20 20:33:10 +0000	[diff] [blame]	597	</tr>
Richard Smith	410cc89	2014-11-26 03:26:53 +0000	[diff] [blame]	598	<tr>
				599	<td>New <tt>auto</tt> rules for direct-list-initialization
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	600	<td><a href="https://wg21.link/n3922">N3922</a></td>
Richard Smith	25dde97	2016-03-20 10:37:12 +0000	[diff] [blame]	601	<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]	602	</tr>
Richard Smith	0f0af19	2014-11-08 05:07:16 +0000	[diff] [blame]	603	<!-- Urbana papers -->
				604	<tr>
Richard Smith	f006a96	2016-03-04 21:01:14 +0000	[diff] [blame]	605	<td rowspan="2">Fold expressions</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	606	<td><a href="https://wg21.link/n4295">N4295</a></td>
Richard Smith	42b1057	2015-11-11 01:36:17 +0000	[diff] [blame]	607	<td class="full" align="center">Clang 3.6</td>
Richard Smith	3e3a705	2014-11-08 06:08:42 +0000	[diff] [blame]	608	</tr>
Richard Smith	f006a96	2016-03-04 21:01:14 +0000	[diff] [blame]	609	<tr> <!-- from Jacksonville -->
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	610	<td><a href="https://wg21.link/p0036r0">P0036R0</a></td>
Richard Smith	b1a268a	2016-08-15 02:47:23 +0000	[diff] [blame]	611	<td class="full" align="center">Clang 3.9</td>
Richard Smith	f006a96	2016-03-04 21:01:14 +0000	[diff] [blame]	612	</tr>
Richard Smith	3e3a705	2014-11-08 06:08:42 +0000	[diff] [blame]	613	<tr>
				614	<td><tt>u8</tt> character literals</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	615	<td><a href="https://wg21.link/n4267">N4267</a></td>
Richard Smith	42b1057	2015-11-11 01:36:17 +0000	[diff] [blame]	616	<td class="full" align="center">Clang 3.6</td>
Richard Smith	0f0af19	2014-11-08 05:07:16 +0000	[diff] [blame]	617	</tr>
Richard Smith	13307f5	2014-11-08 05:37:34 +0000	[diff] [blame]	618	<tr>
				619	<td>Nested namespace definition</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	620	<td><a href="https://wg21.link/n4230">N4230</a></td>
Richard Smith	42b1057	2015-11-11 01:36:17 +0000	[diff] [blame]	621	<td class="full" align="center">Clang 3.6</td>
Richard Smith	13307f5	2014-11-08 05:37:34 +0000	[diff] [blame]	622	</tr>
Aaron Ballman	730476b	2014-11-08 15:33:35 +0000	[diff] [blame]	623	<tr>
				624	<td>Attributes for namespaces and enumerators</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	625	<td><a href="https://wg21.link/n4266">N4266</a></td>
Richard Smith	42b1057	2015-11-11 01:36:17 +0000	[diff] [blame]	626	<td class="full" align="center">Clang 3.6</td>
Aaron Ballman	730476b	2014-11-08 15:33:35 +0000	[diff] [blame]	627	</tr>
Richard Smith	410cc89	2014-11-26 03:26:53 +0000	[diff] [blame]	628	<tr>
				629	<td>Allow constant evaluation for all non-type template arguments</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	630	<td><a href="https://wg21.link/n4268">N4268</a></td>
Richard Smith	42b1057	2015-11-11 01:36:17 +0000	[diff] [blame]	631	<td class="full" align="center">Clang 3.6</td>
Richard Smith	410cc89	2014-11-26 03:26:53 +0000	[diff] [blame]	632	</tr>
Richard Smith	894835f	2015-11-05 21:41:06 +0000	[diff] [blame]	633	<!-- Kona papers -->
				634	<tr>
				635	<td>Remove deprecated <tt>register</tt> storage class</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	636	<td><a href="https://wg21.link/p0001r1">P0001R1</a></td>
Richard Smith	25dde97	2016-03-20 10:37:12 +0000	[diff] [blame]	637	<td class="full" align="center">Clang 3.8</td>
Richard Smith	894835f	2015-11-05 21:41:06 +0000	[diff] [blame]	638	</tr>
				639	<tr>
				640	<td>Remove deprecated <tt>bool</tt> increment</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	641	<td><a href="https://wg21.link/p0002r1">P0002R1</a></td>
Richard Smith	25dde97	2016-03-20 10:37:12 +0000	[diff] [blame]	642	<td class="full" align="center">Clang 3.8</td>
Richard Smith	894835f	2015-11-05 21:41:06 +0000	[diff] [blame]	643	</tr>
				644	<tr>
				645	<td>Make exception specifications part of the type system</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	646	<td><a href="https://wg21.link/p0012r1">P0012R1</a></td>
Ed Schouten	f59d8df	2017-03-16 14:21:00 +0000	[diff] [blame]	647	<td class="full" align="center">Clang 4</td>
Richard Smith	894835f	2015-11-05 21:41:06 +0000	[diff] [blame]	648	</tr>
				649	<tr>
Richard Smith	4a0cd89	2015-11-26 02:16:37 +0000	[diff] [blame]	650	<td><tt>__has_include</tt> in preprocessor conditionals</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	651	<td><a href="https://wg21.link/p0061r1">P0061R1</a></td>
Richard Smith	894835f	2015-11-05 21:41:06 +0000	[diff] [blame]	652	<td class="full" align="center">Yes</td>
				653	</tr>
Richard Smith	f006a96	2016-03-04 21:01:14 +0000	[diff] [blame]	654	<!-- Jacksonville papers -->
				655	<tr>
				656	<td><tt>[[fallthrough]]</tt> attribute</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	657	<td><a href="https://wg21.link/p0188r1">P0188R1</a></td>
Richard Smith	b1a268a	2016-08-15 02:47:23 +0000	[diff] [blame]	658	<td class="full" align="center">Clang 3.9</td>
Richard Smith	f006a96	2016-03-04 21:01:14 +0000	[diff] [blame]	659	</tr>
				660	<tr>
Richard Smith	1f8aa53	2019-07-20 08:20:54 +0000	[diff] [blame]	661	<td rowspan="2"><tt>[[nodiscard]]</tt> attribute</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	662	<td><a href="https://wg21.link/p0189r1">P0189R1</a></td>
Richard Smith	b1a268a	2016-08-15 02:47:23 +0000	[diff] [blame]	663	<td class="full" align="center">Clang 3.9</td>
Richard Smith	f006a96	2016-03-04 21:01:14 +0000	[diff] [blame]	664	</tr>
Richard Smith	1f8aa53	2019-07-20 08:20:54 +0000	[diff] [blame]	665	<tr> <!-- from Cologne 2019 -->
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	666	<td><a href="https://wg21.link/p1771r1">P1771R1</a> (<a href="#dr">DR</a>)</td>
Richard Smith	2d2850f	2019-09-20 18:09:05 +0000	[diff] [blame]	667	<td class="full" align="center">Clang 9</td>
Richard Smith	1f8aa53	2019-07-20 08:20:54 +0000	[diff] [blame]	668	</tr>
Richard Smith	f006a96	2016-03-04 21:01:14 +0000	[diff] [blame]	669	<tr>
				670	<td><tt>[[maybe_unused]]</tt> attribute</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	671	<td><a href="https://wg21.link/p0212r1">P0212R1</a></td>
Richard Smith	b1a268a	2016-08-15 02:47:23 +0000	[diff] [blame]	672	<td class="full" align="center">Clang 3.9</td>
Richard Smith	f006a96	2016-03-04 21:01:14 +0000	[diff] [blame]	673	</tr>
				674	<tr>
				675	<td>Aggregate initialization of classes with base classes</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	676	<td><a href="https://wg21.link/p0017r1">P0017R1</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	f006a96	2016-03-04 21:01:14 +0000	[diff] [blame]	678	</tr>
				679	<tr>
				680	<td><tt>constexpr</tt> lambda expressions</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	681	<td><a href="https://wg21.link/p0170r1">P0170R1</a></td>
Richard Smith	4b82f9c	2017-09-09 01:11:04 +0000	[diff] [blame]	682	<td class="full" align="center">Clang 5</td>
Richard Smith	f006a96	2016-03-04 21:01:14 +0000	[diff] [blame]	683	</tr>
				684	<tr>
				685	<td>Differing <tt>begin</tt> and <tt>end</tt> types in range-based <tt>for</tt></td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	686	<td><a href="https://wg21.link/p0184r0">P0184R0</a></td>
Richard Smith	b1a268a	2016-08-15 02:47:23 +0000	[diff] [blame]	687	<td class="full" align="center">Clang 3.9</td>
Richard Smith	f006a96	2016-03-04 21:01:14 +0000	[diff] [blame]	688	</tr>
				689	<tr>
				690	<td>Lambda capture of <tt>*this</tt></td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	691	<td><a href="https://wg21.link/p0018r3">P0018R3</a></td>
Richard Smith	b1a268a	2016-08-15 02:47:23 +0000	[diff] [blame]	692	<td class="full" align="center">Clang 3.9</td>
Richard Smith	f006a96	2016-03-04 21:01:14 +0000	[diff] [blame]	693	</tr>
				694	<tr>
				695	<td>Direct-list-initialization of <tt>enum</tt>s</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	696	<td><a href="https://wg21.link/p0138r2">P0138R2</a></td>
Richard Smith	b1a268a	2016-08-15 02:47:23 +0000	[diff] [blame]	697	<td class="full" align="center">Clang 3.9</td>
Richard Smith	f006a96	2016-03-04 21:01:14 +0000	[diff] [blame]	698	</tr>
				699	<tr>
				700	<td>Hexadecimal floating-point literals</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	701	<td><a href="https://wg21.link/p0245r1">P0245R1</a></td>
Richard Smith	f006a96	2016-03-04 21:01:14 +0000	[diff] [blame]	702	<td class="full" align="center">Yes</td>
				703	</tr>
Richard Smith	b130fe7	2016-06-23 19:16:49 +0000	[diff] [blame]	704	<!-- Oulu papers -->
Richard Smith	74f56e7	2016-06-24 11:20:31 +0000	[diff] [blame]	705	<tr>
				706	<td>Using attribute namespaces without repetition</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	707	<td><a href="https://wg21.link/p0028r4">P0028R4</a></td>
Richard Smith	b1a268a	2016-08-15 02:47:23 +0000	[diff] [blame]	708	<td class="full" align="center">Clang 3.9</td>
Richard Smith	74f56e7	2016-06-24 11:20:31 +0000	[diff] [blame]	709	</tr>
				710	<tr>
				711	<td>Dynamic memory allocation for over-aligned data</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	712	<td><a href="https://wg21.link/p0035r4">P0035R4</a></td>
Ed Schouten	f59d8df	2017-03-16 14:21:00 +0000	[diff] [blame]	713	<td class="full" align="center">Clang 4</td>
Richard Smith	74f56e7	2016-06-24 11:20:31 +0000	[diff] [blame]	714	</tr>
				715	<tr>
Richard Smith	d9f2e07	2018-05-30 23:30:36 +0000	[diff] [blame]	716	<td rowspan="4">Template argument deduction for class templates</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	717	<td><a href="https://wg21.link/p0091r3">P0091R3</a></td>
Richard Smith	4b82f9c	2017-09-09 01:11:04 +0000	[diff] [blame]	718	<td rowspan="2" class="full" align="center">Clang 5</td>
Richard Smith	74f56e7	2016-06-24 11:20:31 +0000	[diff] [blame]	719	</tr>
Richard Smith	19a311a	2017-02-09 22:47:51 +0000	[diff] [blame]	720	<tr> <!-- from Issaquah -->
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	721	<td><a href="https://wg21.link/p0512r0">P0512R0</a></td>
Richard Smith	19a311a	2017-02-09 22:47:51 +0000	[diff] [blame]	722	</tr>
Richard Smith	a14f320	2018-03-17 14:28:47 +0000	[diff] [blame]	723	<tr>
Richard Smith	d9f2e07	2018-05-30 23:30:36 +0000	[diff] [blame]	724	<!-- from Kona 2017 -->
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	725	<td><a href="https://wg21.link/p0620r1">P0620R0</a> (<a href="#dr">DR</a>)</td>
Richard Smith	e57418b	2018-09-24 23:21:09 +0000	[diff] [blame]	726	<td class="full" align="center">Clang 7</td>
Richard Smith	d9f2e07	2018-05-30 23:30:36 +0000	[diff] [blame]	727	</tr>
				728	<tr>
Richard Smith	a14f320	2018-03-17 14:28:47 +0000	[diff] [blame]	729	<!-- from Toronto 2017 -->
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	730	<td><a href="https://wg21.link/p0702r1">P0702R1</a> (<a href="#dr">DR</a>)</td>
Richard Smith	d9f2e07	2018-05-30 23:30:36 +0000	[diff] [blame]	731	<td class="full" align="center">Clang 6</td>
Richard Smith	a14f320	2018-03-17 14:28:47 +0000	[diff] [blame]	732	</tr>
Richard Smith	74f56e7	2016-06-24 11:20:31 +0000	[diff] [blame]	733	<tr>
Richard Smith	3a2dc6f0	2016-06-24 12:21:30 +0000	[diff] [blame]	734	<td>Non-type template parameters with <tt>auto</tt> type</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	735	<td><a href="https://wg21.link/p0127r2">P0127R2</a></td>
Ed Schouten	f59d8df	2017-03-16 14:21:00 +0000	[diff] [blame]	736	<td class="full" align="center">Clang 4</td>
Richard Smith	74f56e7	2016-06-24 11:20:31 +0000	[diff] [blame]	737	</tr>
				738	<tr>
				739	<td>Guaranteed copy elision</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	740	<td><a href="https://wg21.link/p0135r1">P0135R1</a></td>
Ed Schouten	f59d8df	2017-03-16 14:21:00 +0000	[diff] [blame]	741	<td class="full" align="center">Clang 4</td>
Richard Smith	74f56e7	2016-06-24 11:20:31 +0000	[diff] [blame]	742	</tr>
				743	<tr>
Richard Smith	63497c6	2016-07-14 00:14:59 +0000	[diff] [blame]	744	<td rowspan=2>Stricter expression evaluation order</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	745	<td><a href="https://wg21.link/p0145r3">P0145R3</a></td>
Richard Smith	a14f320	2018-03-17 14:28:47 +0000	[diff] [blame]	746	<td class="full" align="center" rowspan=2>Clang 4 <a href="#p0145">(9)</a></td>
Richard Smith	63497c6	2016-07-14 00:14:59 +0000	[diff] [blame]	747	</tr>
				748	<tr>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	749	<td><a href="https://wg21.link/p0400r0">P0400R0</a></td>
Richard Smith	74f56e7	2016-06-24 11:20:31 +0000	[diff] [blame]	750	</tr>
				751	<tr>
Richard Smith	74f56e7	2016-06-24 11:20:31 +0000	[diff] [blame]	752	<td>Requirement to ignore unknown attributes</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	753	<td><a href="https://wg21.link/p0283r2">P0283R2</a></td>
Richard Smith	74f56e7	2016-06-24 11:20:31 +0000	[diff] [blame]	754	<td class="full" align="center">Yes</td>
				755	</tr>
Richard Smith	b130fe7	2016-06-23 19:16:49 +0000	[diff] [blame]	756	<tr>
				757	<td><tt>constexpr</tt> <em>if-statement</em>s</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	758	<td><a href="https://wg21.link/p0292r2">P0292R2</a></td>
Richard Smith	b1a268a	2016-08-15 02:47:23 +0000	[diff] [blame]	759	<td class="full" align="center">Clang 3.9</td>
Richard Smith	b130fe7	2016-06-23 19:16:49 +0000	[diff] [blame]	760	</tr>
Richard Smith	74f56e7	2016-06-24 11:20:31 +0000	[diff] [blame]	761	<tr>
				762	<td>Inline variables</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	763	<td><a href="https://wg21.link/p0386r2">P0386R2</a></td>
Richard Smith	b1a268a	2016-08-15 02:47:23 +0000	[diff] [blame]	764	<td class="full" align="center">Clang 3.9</td>
Richard Smith	74f56e7	2016-06-24 11:20:31 +0000	[diff] [blame]	765	</tr>
				766	<tr>
Richard Smith	a14f320	2018-03-17 14:28:47 +0000	[diff] [blame]	767	<td rowspan="3">Structured bindings</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	768	<td><a href="https://wg21.link/p0217r3">P0217R3</a></td>
Ed Schouten	f59d8df	2017-03-16 14:21:00 +0000	[diff] [blame]	769	<td class="full" align="center">Clang 4</td>
Richard Smith	74f56e7	2016-06-24 11:20:31 +0000	[diff] [blame]	770	</tr>
Richard Smith	a14f320	2018-03-17 14:28:47 +0000	[diff] [blame]	771	<tr>
				772	<!-- from Jacksonville 2018 -->
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	773	<td><a href="https://wg21.link/p0961r1">P0961R1</a> (<a href="#dr">DR</a>)</td>
Richard Smith	de510a8	2019-05-04 00:23:18 +0000	[diff] [blame]	774	<td class="full" align="center">Clang 8</td>
Richard Smith	a14f320	2018-03-17 14:28:47 +0000	[diff] [blame]	775	</tr>
				776	<tr>
				777	<!-- from Jacksonville 2018 -->
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	778	<td><a href="https://wg21.link/p0969r0">P0969R0</a> (<a href="#dr">DR</a>)</td>
Richard Smith	de510a8	2019-05-04 00:23:18 +0000	[diff] [blame]	779	<td class="full" align="center">Clang 8</td>
Richard Smith	a14f320	2018-03-17 14:28:47 +0000	[diff] [blame]	780	</tr>
Richard Smith	74f56e7	2016-06-24 11:20:31 +0000	[diff] [blame]	781	<tr>
Richard Smith	90ea9eb	2016-06-24 14:23:32 +0000	[diff] [blame]	782	<td>Separate variable and condition for <tt>if</tt> and <tt>switch</tt></td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	783	<td><a href="https://wg21.link/p0305r1">P0305R1</a></td>
Richard Smith	b1a268a	2016-08-15 02:47:23 +0000	[diff] [blame]	784	<td class="full" align="center">Clang 3.9</td>
Richard Smith	74f56e7	2016-06-24 11:20:31 +0000	[diff] [blame]	785	</tr>
Richard Smith	5a20d7e	2016-11-11 22:48:43 +0000	[diff] [blame]	786	<!-- Issaquah 2016 papers -->
Richard Smith	5a20d7e	2016-11-11 22:48:43 +0000	[diff] [blame]	787	<tr>
				788	<td>Matching template template parameters to compatible arguments</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	789	<td><a href="https://wg21.link/p0522r0">P0522R0</a></td>
Richard Smith	a14f320	2018-03-17 14:28:47 +0000	[diff] [blame]	790	<td class="partial" align="center">Partial <a href="#p0522">(10)</a></td>
Richard Smith	5a20d7e	2016-11-11 22:48:43 +0000	[diff] [blame]	791	</tr>
				792	<tr>
				793	<td>Removing deprecated dynamic exception specifications</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	794	<td><a href="https://wg21.link/p0003r5">P0003R5</a></td>
Ed Schouten	f59d8df	2017-03-16 14:21:00 +0000	[diff] [blame]	795	<td class="full" align="center">Clang 4</td>
Richard Smith	5a20d7e	2016-11-11 22:48:43 +0000	[diff] [blame]	796	</tr>
				797	<tr>
				798	<td>Pack expansions in <em>using-declarations</em></td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	799	<td><a href="https://wg21.link/p0195r2">P0195R2</a></td>
Ed Schouten	f59d8df	2017-03-16 14:21:00 +0000	[diff] [blame]	800	<td class="full" align="center">Clang 4</td>
Richard Smith	5a20d7e	2016-11-11 22:48:43 +0000	[diff] [blame]	801	</tr>
Richard Smith	cf31c6b	2014-06-20 20:33:10 +0000	[diff] [blame]	802	</table>
Richard Smith	76b9f23	2013-11-07 06:41:26 +0000	[diff] [blame]	803
Richard Smith	42b1057	2015-11-11 01:36:17 +0000	[diff] [blame]	804	<p>
Richard Smith	952923b	2016-02-09 22:48:14 +0000	[diff] [blame]	805	<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]	806	all language versions that allow type deduction from <tt>auto</tt>
				807	(per the request of the C++ committee).
				808	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]	809	</span><br>
Richard Smith	a14f320	2018-03-17 14:28:47 +0000	[diff] [blame]	810	<span id="p0145">(9): Under the MS ABI, function parameters are destroyed from
Richard Smith	a560ccf	2016-09-29 21:30:12 +0000	[diff] [blame]	811	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]	812	<tt>operator<<</tt>, <tt>operator>></tt>, <tt>operator->*</tt>,
				813	<tt>operator&&</tt>, <tt>operator\|\|</tt>, and <tt>operator,</tt>
Richard Smith	a560ccf	2016-09-29 21:30:12 +0000	[diff] [blame]	814	functions using expression syntax are no longer guaranteed to be destroyed in
				815	reverse construction order in that ABI.
Richard Smith	e0c7500	2016-11-11 23:46:25 +0000	[diff] [blame]	816	</span><br>
Richard Smith	a14f320	2018-03-17 14:28:47 +0000	[diff] [blame]	817	<span id="p0522">(10): Despite being the resolution to a Defect Report, this
Richard Smith	26b86ea	2016-12-31 21:41:23 +0000	[diff] [blame]	818	feature is disabled by default in all language versions, and can be enabled
Richard Smith	e0c11f2	2017-11-30 23:07:29 +0000	[diff] [blame]	819	explicitly with the flag <tt>-frelaxed-template-template-args</tt> in Clang 4
				820	onwards.
Richard Smith	d7279bb	2017-01-13 00:57:54 +0000	[diff] [blame]	821	The change to the standard lacks a corresponding change for template partial
				822	ordering, resulting in ambiguity errors for reasonable and previously-valid
				823	code. This issue is expected to be rectified soon.
Richard Smith	5179eb7	2016-06-28 19:03:57 +0000	[diff] [blame]	824	</span>
Richard Smith	42b1057	2015-11-11 01:36:17 +0000	[diff] [blame]	825	</p>
Richard Smith	e2bf878	2016-09-28 21:01:37 +0000	[diff] [blame]	826	</details>
Richard Smith	42b1057	2015-11-11 01:36:17 +0000	[diff] [blame]	827
Richard Smith	da62f42	2017-07-15 15:42:36 +0000	[diff] [blame]	828	<h2 id="cxx20">C++2a implementation status</h2>
				829
Faisal Vali	8194a3e	2017-08-19 03:43:07 +0000	[diff] [blame]	830	<p>Clang has <b>experimental</b> support for some proposed features of
Richard Smith	da62f42	2017-07-15 15:42:36 +0000	[diff] [blame]	831	the C++ standard following C++17, provisionally named C++2a.
				832	Note that support for these features may change or be removed without notice,
				833	as the draft C++2a standard evolves.
				834
Faisal Vali	8194a3e	2017-08-19 03:43:07 +0000	[diff] [blame]	835	<p>You can use Clang in C++2a mode with the <code>-std=c++2a</code> option.</p>
Richard Smith	da62f42	2017-07-15 15:42:36 +0000	[diff] [blame]	836
				837	<details open>
				838	<summary>List of features and minimum Clang version with support</summary>
				839
				840	<table width="689" border="1" cellspacing="0">
				841	<tr>
				842	<th>Language Feature</th>
				843	<th>C++2a Proposal</th>
				844	<th>Available in Clang?</th>
				845	</tr>
				846	<!-- Toronto 2017 papers -->
				847	<tr>
				848	<td>Default member initializers for bit-fields</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	849	<td><a href="https://wg21.link/p0683r1">P0683R1</a></td>
Richard Smith	d9f2e07	2018-05-30 23:30:36 +0000	[diff] [blame]	850	<td class="full" align="center">Clang 6</td>
Richard Smith	da62f42	2017-07-15 15:42:36 +0000	[diff] [blame]	851	</tr>
				852	<tr>
				853	<td><tt>const&</tt>-qualified pointers to members</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	854	<td><a href="https://wg21.link/p0704r1">P0704R1</a></td>
Richard Smith	d9f2e07	2018-05-30 23:30:36 +0000	[diff] [blame]	855	<td class="full" align="center">Clang 6</td>
Richard Smith	da62f42	2017-07-15 15:42:36 +0000	[diff] [blame]	856	</tr>
				857	<tr>
				858	<td>Allow <i>lambda-capture</i> <tt>[=, this]</tt></td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	859	<td><a href="https://wg21.link/p0409r2">P0409R2</a></td>
Richard Smith	d9f2e07	2018-05-30 23:30:36 +0000	[diff] [blame]	860	<td class="full" align="center">Clang 6</td>
Richard Smith	da62f42	2017-07-15 15:42:36 +0000	[diff] [blame]	861	</tr>
				862	<tr>
Richard Smith	3e3e2e9	2018-06-14 00:05:28 +0000	[diff] [blame]	863	<td rowspan="2"><tt>__VA_OPT__</tt> for preprocessor comma elision</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	864	<td><a href="https://wg21.link/p0306r4">P0306R4</a></td>
Richard Smith	d9f2e07	2018-05-30 23:30:36 +0000	[diff] [blame]	865	<td class="full" align="center">Clang 6</td>
Richard Smith	da62f42	2017-07-15 15:42:36 +0000	[diff] [blame]	866	</tr>
Richard Smith	3e3e2e9	2018-06-14 00:05:28 +0000	[diff] [blame]	867	<tr> <!-- from Rapperswil -->
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	868	<td><a href="https://wg21.link/p1042r1">P1042R1</a></td>
Richard Smith	2d2850f	2019-09-20 18:09:05 +0000	[diff] [blame]	869	<td class="full" align="center">Clang 9</td>
Richard Smith	3e3e2e9	2018-06-14 00:05:28 +0000	[diff] [blame]	870	</tr>
Richard Smith	da62f42	2017-07-15 15:42:36 +0000	[diff] [blame]	871	<tr>
				872	<td>Designated initializers</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	873	<td><a href="https://wg21.link/p0329r4">P0329R4</a></td>
Richard Smith	03d2567	2019-09-03 17:49:51 +0000	[diff] [blame]	874	<td class="svn" align="center">SVN</td>
Richard Smith	da62f42	2017-07-15 15:42:36 +0000	[diff] [blame]	875	</tr>
				876	<tr>
				877	<td><i>template-parameter-list</i> for generic lambdas</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	878	<td><a href="https://wg21.link/p0428r2">P0428R2</a></td>
Richard Smith	2d2850f	2019-09-20 18:09:05 +0000	[diff] [blame]	879	<td class="full" align="center">Clang 9</td>
Richard Smith	da62f42	2017-07-15 15:42:36 +0000	[diff] [blame]	880	</tr>
Richard Smith	137f657	2017-11-11 17:54:46 +0000	[diff] [blame]	881	<tr id="p0734">
Richard Smith	1f8aa53	2019-07-20 08:20:54 +0000	[diff] [blame]	882	<td rowspan="7">Concepts</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	883	<td><a href="https://wg21.link/p0734r0">P0734R0</a></td>
Richard Smith	1f8aa53	2019-07-20 08:20:54 +0000	[diff] [blame]	884	<td rowspan="7" class="none" align="center">No</td>
Richard Smith	137f657	2017-11-11 17:54:46 +0000	[diff] [blame]	885	</tr>
				886	<tr> <!-- from Albuquerque -->
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	887	<td><a href="https://wg21.link/p0857r0">P0857R0</a></td>
Richard Smith	137f657	2017-11-11 17:54:46 +0000	[diff] [blame]	888	</tr>
Richard Smith	429dbdd	2018-11-10 18:02:40 +0000	[diff] [blame]	889	<tr> <!-- from San Diego -->
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	890	<td><a href="https://wg21.link/p1084r2">P1084R2</a></td>
Richard Smith	429dbdd	2018-11-10 18:02:40 +0000	[diff] [blame]	891	</tr>
				892	<tr>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	893	<td><a href="https://wg21.link/p1141r2">P1414R2</a></td>
Richard Smith	429dbdd	2018-11-10 18:02:40 +0000	[diff] [blame]	894	</tr>
Richard Smith	1f8aa53	2019-07-20 08:20:54 +0000	[diff] [blame]	895	<tr> <!-- from Cologne -->
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	896	<td><a href="https://wg21.link/p0848r3">P0848R3</a></td>
Richard Smith	1f8aa53	2019-07-20 08:20:54 +0000	[diff] [blame]	897	</tr>
				898	<tr>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	899	<td><a href="https://wg21.link/p1616r1">P1616R1</a></td>
Richard Smith	1f8aa53	2019-07-20 08:20:54 +0000	[diff] [blame]	900	</tr>
				901	<tr>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	902	<td><a href="https://wg21.link/p1452r2">P1452R2</a></td>
Richard Smith	1f8aa53	2019-07-20 08:20:54 +0000	[diff] [blame]	903	</tr>
Richard Smith	137f657	2017-11-11 17:54:46 +0000	[diff] [blame]	904	<!-- Albuquerque papers -->
				905	<tr>
				906	<td>Range-based for statements with initializer</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	907	<td><a href="https://wg21.link/p0614r1">P0614R1</a></td>
Richard Smith	de510a8	2019-05-04 00:23:18 +0000	[diff] [blame]	908	<td class="full" align="center">Clang 8</td>
Richard Smith	137f657	2017-11-11 17:54:46 +0000	[diff] [blame]	909	</tr>
				910	<tr>
Richard Smith	137f657	2017-11-11 17:54:46 +0000	[diff] [blame]	911	<td>ADL and function templates that are not visible</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	912	<td><a href="https://wg21.link/p0846r0">P0846R0</a></td>
Richard Smith	2d2850f	2019-09-20 18:09:05 +0000	[diff] [blame]	913	<td class="full" align="center">Clang 9</td>
Richard Smith	137f657	2017-11-11 17:54:46 +0000	[diff] [blame]	914	</tr>
				915	<tr>
				916	<td><tt>const</tt> mismatch with defaulted copy constructor</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	917	<td><a href="https://wg21.link/p0641r2">P0641R2</a></td>
Richard Smith	de510a8	2019-05-04 00:23:18 +0000	[diff] [blame]	918	<td class="full" align="center">Clang 8</td>
Richard Smith	137f657	2017-11-11 17:54:46 +0000	[diff] [blame]	919	</tr>
				920	<tr>
Richard Smith	1f8aa53	2019-07-20 08:20:54 +0000	[diff] [blame]	921	<td rowspan="6">Consistent comparison (<tt>operator<=></tt>)</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	922	<td><a href="https://wg21.link/p0515r3">P0515R3</a></td>
Richard Smith	974c8b7	2019-10-19 00:04:43 +0000	[diff] [blame]	923	<td class="partial" align="center">Partial</td>
Richard Smith	137f657	2017-11-11 17:54:46 +0000	[diff] [blame]	924	</tr>
Richard Smith	a14f320	2018-03-17 14:28:47 +0000	[diff] [blame]	925	<tr> <!-- from Jacksonville -->
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	926	<td><a href="https://wg21.link/p0905r1">P0905R1</a></td>
Richard Smith	974c8b7	2019-10-19 00:04:43 +0000	[diff] [blame]	927	<td class="svn" align="center">Clang 10</td>
Richard Smith	a14f320	2018-03-17 14:28:47 +0000	[diff] [blame]	928	</tr>
Richard Smith	3e3e2e9	2018-06-14 00:05:28 +0000	[diff] [blame]	929	<tr> <!-- from Rapperswil -->
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	930	<td><a href="https://wg21.link/p1120r0">P1120R0</a></td>
Richard Smith	974c8b7	2019-10-19 00:04:43 +0000	[diff] [blame]	931	<td rowspan="2" class="partial" align="center">Partial</td>
Richard Smith	3e3e2e9	2018-06-14 00:05:28 +0000	[diff] [blame]	932	</tr>
Richard Smith	456e7af	2019-02-23 21:06:25 +0000	[diff] [blame]	933	<tr> <!-- from Kona 2019 -->
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	934	<td><a href="https://wg21.link/p1185r2">P1185R2</a></td>
Richard Smith	1f8aa53	2019-07-20 08:20:54 +0000	[diff] [blame]	935	</tr>
				936	<tr> <!-- from Cologne -->
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	937	<td><a href="https://wg21.link/p1186r3">P1186R3</a></td>
Richard Smith	974c8b7	2019-10-19 00:04:43 +0000	[diff] [blame]	938	<td class="none" align="center">No</td>
Richard Smith	1f8aa53	2019-07-20 08:20:54 +0000	[diff] [blame]	939	</tr>
				940	<tr>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	941	<td><a href="https://wg21.link/p1630r1">P1630R1</a></td>
Richard Smith	974c8b7	2019-10-19 00:04:43 +0000	[diff] [blame]	942	<td class="partial" align="center">Partial</td>
Richard Smith	456e7af	2019-02-23 21:06:25 +0000	[diff] [blame]	943	</tr>
Richard Smith	137f657	2017-11-11 17:54:46 +0000	[diff] [blame]	944	<tr>
				945	<td>Access checking on specializations</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	946	<td><a href="https://wg21.link/p0692r1">P0692R1</a></td>
Richard Smith	137f657	2017-11-11 17:54:46 +0000	[diff] [blame]	947	<td class="partial" align="center">Partial</td>
				948	</tr>
				949	<tr>
				950	<td>Default constructible and assignable stateless lambdas</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	951	<td><a href="https://wg21.link/p0624r2">P0624R2</a></td>
Richard Smith	de510a8	2019-05-04 00:23:18 +0000	[diff] [blame]	952	<td class="full" align="center">Clang 8</td>
Richard Smith	137f657	2017-11-11 17:54:46 +0000	[diff] [blame]	953	</tr>
				954	<tr>
				955	<td>Lambdas in unevaluated contexts</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	956	<td><a href="https://wg21.link/p0315r4">P0315R4</a></td>
Richard Smith	da62f42	2017-07-15 15:42:36 +0000	[diff] [blame]	957	<td class="none" align="center">No</td>
				958	</tr>
Richard Smith	a14f320	2018-03-17 14:28:47 +0000	[diff] [blame]	959	<!-- Jacksonville papers -->
				960	<tr>
				961	<td><tt>[[no_unique_address]]</tt> attribute</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	962	<td><a href="https://wg21.link/p0840r2">P0840R2</a></td>
Richard Smith	2d2850f	2019-09-20 18:09:05 +0000	[diff] [blame]	963	<td class="full" align="center">Clang 9</td>
Richard Smith	a14f320	2018-03-17 14:28:47 +0000	[diff] [blame]	964	</tr>
				965	<tr>
				966	<td><tt>[[likely]]</tt> and <tt>[[unlikely]]</tt> attributes</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	967	<td><a href="https://wg21.link/p0479r5">P0479R5</a></td>
Richard Smith	a14f320	2018-03-17 14:28:47 +0000	[diff] [blame]	968	<td class="none" align="center">No</td>
				969	</tr>
				970	<tr>
				971	<td><tt>typename</tt> optional in more contexts</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	972	<td><a href="https://wg21.link/p0634r3">P0634R3</a></td>
Richard Smith	a14f320	2018-03-17 14:28:47 +0000	[diff] [blame]	973	<td class="none" align="center">No</td>
				974	</tr>
				975	<tr>
				976	<td>Pack expansion in lambda <i>init-capture</i></td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	977	<td><a href="https://wg21.link/p0780r2">P0780R2</a></td>
Richard Smith	2d2850f	2019-09-20 18:09:05 +0000	[diff] [blame]	978	<td class="full" align="center">Clang 9</td>
Richard Smith	a14f320	2018-03-17 14:28:47 +0000	[diff] [blame]	979	</tr>
Richard Smith	3e3e2e9	2018-06-14 00:05:28 +0000	[diff] [blame]	980	<!-- Rapperswil papers -->
				981	<tr>
				982	<td>Class types as non-type template parameters</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	983	<td><a href="https://wg21.link/p0732r2">P0732R2</a></td>
Richard Smith	3e3e2e9	2018-06-14 00:05:28 +0000	[diff] [blame]	984	<td class="none" align="center">No</td>
				985	</tr>
				986	<tr>
				987	<td>Destroying operator delete</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	988	<td><a href="https://wg21.link/p0722r3">P0722R3</a></td>
Richard Smith	3e3e2e9	2018-06-14 00:05:28 +0000	[diff] [blame]	989	<td class="full" align="center">Clang 6</td>
				990	</tr>
				991	<tr>
Richard Smith	1f8aa53	2019-07-20 08:20:54 +0000	[diff] [blame]	992	<td rowspan="7">Relaxations of <tt>constexpr</tt> restrictions</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	993	<td><a href="https://wg21.link/p1064r0">P1064R0</a></td>
Richard Smith	2d2850f	2019-09-20 18:09:05 +0000	[diff] [blame]	994	<td class="full" align="center">Clang 9</td>
Richard Smith	3e3e2e9	2018-06-14 00:05:28 +0000	[diff] [blame]	995	</tr>
Richard Smith	429dbdd	2018-11-10 18:02:40 +0000	[diff] [blame]	996	<tr> <!-- from San Diego -->
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	997	<td><a href="https://wg21.link/p1002r1">P1002R1</a></td>
Richard Smith	de510a8	2019-05-04 00:23:18 +0000	[diff] [blame]	998	<td class="full" align="center">Clang 8</td>
Richard Smith	429dbdd	2018-11-10 18:02:40 +0000	[diff] [blame]	999	</tr>
				1000	<tr>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1001	<td><a href="https://wg21.link/p1327r1">P1327R1</a></td>
Richard Smith	2d2850f	2019-09-20 18:09:05 +0000	[diff] [blame]	1002	<td rowspan="2" class="full" align="center">Clang 9</td>
Richard Smith	429dbdd	2018-11-10 18:02:40 +0000	[diff] [blame]	1003	</tr>
				1004	<tr>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1005	<td><a href="https://wg21.link/p1330r0">P1330R0</a></td>
Richard Smith	429dbdd	2018-11-10 18:02:40 +0000	[diff] [blame]	1006	</tr>
Richard Smith	1f8aa53	2019-07-20 08:20:54 +0000	[diff] [blame]	1007	<tr> <!-- from Cologne -->
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1008	<td><a href="https://wg21.link/p1331r2">P1331R2</a></td>
Richard Smith	69e9d84	2019-10-03 00:39:37 +0000	[diff] [blame]	1009	<td rowspan="3" class="svn" align="center">SVN</td>
Richard Smith	1f8aa53	2019-07-20 08:20:54 +0000	[diff] [blame]	1010	</tr>
				1011	<tr>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1012	<td><a href="https://wg21.link/p1668r1">P1668R1</a></td>
Richard Smith	1f8aa53	2019-07-20 08:20:54 +0000	[diff] [blame]	1013	</tr>
				1014	<tr>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1015	<td><a href="https://wg21.link/p0784r7">P0784R7</a></td>
Richard Smith	1f8aa53	2019-07-20 08:20:54 +0000	[diff] [blame]	1016	</tr>
Richard Smith	3e3e2e9	2018-06-14 00:05:28 +0000	[diff] [blame]	1017	<tr>
				1018	<td>Prohibit aggregates with user-declared constructors</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1019	<td><a href="https://wg21.link/p1008r1">P1008R1</a></td>
Richard Smith	de510a8	2019-05-04 00:23:18 +0000	[diff] [blame]	1020	<td class="full" align="center">Clang 8</td>
Richard Smith	3e3e2e9	2018-06-14 00:05:28 +0000	[diff] [blame]	1021	</tr>
				1022	<tr>
Richard Smith	3e3e2e9	2018-06-14 00:05:28 +0000	[diff] [blame]	1023	<td>Feature test macros</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1024	<td><a href="https://wg21.link/p0941r2">P0941R2</a></td>
Richard Smith	20eb9ba	2018-06-14 00:40:20 +0000	[diff] [blame]	1025	<td class="full" align="center"><a href="#sd6">(see below)</a></td>
Richard Smith	3e3e2e9	2018-06-14 00:05:28 +0000	[diff] [blame]	1026	</tr>
				1027	<tr>
				1028	<td><tt>explicit(bool)</tt></td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1029	<td><a href="https://wg21.link/p0892r2">P0892R2</a></td>
Richard Smith	2d2850f	2019-09-20 18:09:05 +0000	[diff] [blame]	1030	<td class="full" align="center">Clang 9</td>
Richard Smith	3e3e2e9	2018-06-14 00:05:28 +0000	[diff] [blame]	1031	</tr>
Richard Smith	429dbdd	2018-11-10 18:02:40 +0000	[diff] [blame]	1032	<!-- San Diego papers -->
				1033	<tr>
				1034	<td>Signed integers are two's complement</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1035	<td><a href="https://wg21.link/p1236r1">P1236R1</a></td>
Richard Smith	2d2850f	2019-09-20 18:09:05 +0000	[diff] [blame]	1036	<td class="full" align="center">Clang 9</td>
Richard Smith	429dbdd	2018-11-10 18:02:40 +0000	[diff] [blame]	1037	</tr>
				1038	<tr>
				1039	<td><tt>char8_t</tt></td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1040	<td><a href="https://wg21.link/p0482r6">P0482R6</a></td>
Richard Smith	28ddb91	2018-11-14 21:04:34 +0000	[diff] [blame]	1041	<td class="full" align="center">Clang 7 <a href="#p0482">(11)</a></td>
Richard Smith	429dbdd	2018-11-10 18:02:40 +0000	[diff] [blame]	1042	</tr>
				1043	<tr>
				1044	<td>Immediate functions (<tt>consteval</tt>)</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1045	<td><a href="https://wg21.link/p1073r3">P1073R3</a></td>
Richard Smith	429dbdd	2018-11-10 18:02:40 +0000	[diff] [blame]	1046	<td class="none" align="center">No</td>
				1047	</tr>
				1048	<tr>
				1049	<td><tt>std::is_constant_evaluated</tt></td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1050	<td><a href="https://wg21.link/p0595r2">P0595R2</a></td>
Richard Smith	2d2850f	2019-09-20 18:09:05 +0000	[diff] [blame]	1051	<td class="full" align="center">Clang 9</td>
Richard Smith	429dbdd	2018-11-10 18:02:40 +0000	[diff] [blame]	1052	</tr>
				1053	<tr>
				1054	<td>Nested inline namespaces</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1055	<td><a href="https://wg21.link/p1094r2">P1094R2</a></td>
Richard Smith	de510a8	2019-05-04 00:23:18 +0000	[diff] [blame]	1056	<td class="full" align="center">Clang 8</td>
Richard Smith	429dbdd	2018-11-10 18:02:40 +0000	[diff] [blame]	1057	</tr>
Richard Smith	456e7af	2019-02-23 21:06:25 +0000	[diff] [blame]	1058	<!-- Kona 2019 papers -->
				1059	<tr>
				1060	<td rowspan="2">Structured binding extensions</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1061	<td><a href="https://wg21.link/p1091r3">P1091R3</a></td>
Richard Smith	13bf989	2019-05-22 19:52:55 +0000	[diff] [blame]	1062	<td rowspan="2" class="partial" align="center">Partial</td>
Richard Smith	456e7af	2019-02-23 21:06:25 +0000	[diff] [blame]	1063	</tr>
				1064	<tr>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1065	<td><a href="https://wg21.link/p1381r1">P1381R1</a></td>
Richard Smith	456e7af	2019-02-23 21:06:25 +0000	[diff] [blame]	1066	</tr>
				1067	<tr>
				1068	<td rowspan="2">Stronger Unicode requirements</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1069	<td><a href="https://wg21.link/p1041r4">P1041R4</a></td>
Richard Smith	456e7af	2019-02-23 21:06:25 +0000	[diff] [blame]	1070	<td rowspan="2" class="full" align="center">Yes</td>
				1071	</tr>
				1072	<tr>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1073	<td><a href="https://wg21.link/p1139r2">P1139R2</a></td>
Richard Smith	456e7af	2019-02-23 21:06:25 +0000	[diff] [blame]	1074	</tr>
				1075	<tr>
				1076	<td>Parenthesized initialization of aggregates</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1077	<td><a href="https://wg21.link/p0960r3">P0960R3</a></td>
Richard Smith	456e7af	2019-02-23 21:06:25 +0000	[diff] [blame]	1078	<td class="none" align="center">No</td>
				1079	</tr>
				1080	<tr>
Richard Smith	1f8aa53	2019-07-20 08:20:54 +0000	[diff] [blame]	1081	<td rowspan="4">Modules</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1082	<td><a href="https://wg21.link/p1103r3">P1103R3</a></td>
Richard Smith	3c7688b	2019-05-04 00:27:21 +0000	[diff] [blame]	1083	<td class="partial" align="center">Partial</td>
Richard Smith	456e7af	2019-02-23 21:06:25 +0000	[diff] [blame]	1084	</tr>
Richard Smith	1f8aa53	2019-07-20 08:20:54 +0000	[diff] [blame]	1085	<tr> <!-- from Cologne -->
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1086	<td><a href="https://wg21.link/p1766r1">P1766R1</a> (<a href="#dr">DR</a>)</td>
Richard Smith	1f8aa53	2019-07-20 08:20:54 +0000	[diff] [blame]	1087	<td rowspan="3" class="none" align="center">No</td>
				1088	</tr>
				1089	<tr>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1090	<td><a href="https://wg21.link/p1811r0">P1811R0</a></td>
Richard Smith	1f8aa53	2019-07-20 08:20:54 +0000	[diff] [blame]	1091	</tr>
				1092	<tr>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1093	<td><a href="https://wg21.link/p1703r1">P1703R1</a></td>
Richard Smith	1f8aa53	2019-07-20 08:20:54 +0000	[diff] [blame]	1094	</tr>
Richard Smith	456e7af	2019-02-23 21:06:25 +0000	[diff] [blame]	1095	<tr>
				1096	<td>Coroutines</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1097	<td><a href="https://wg21.link/p0912r5">P0912R5</a></td>
Richard Smith	10ab78e	2019-02-23 21:06:26 +0000	[diff] [blame]	1098	<td class="partial" align="center">Partial</td>
Richard Smith	456e7af	2019-02-23 21:06:25 +0000	[diff] [blame]	1099	</tr>
Richard Smith	1f8aa53	2019-07-20 08:20:54 +0000	[diff] [blame]	1100	<!-- Cologne 2019 papers -->
				1101	<tr>
				1102	<td>Deprecate <tt>a[b,c]</tt></td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1103	<td><a href="https://wg21.link/p1161r3">P1161R3</a></td>
Richard Smith	2d2850f	2019-09-20 18:09:05 +0000	[diff] [blame]	1104	<td class="full" align="center">Clang 9</td>
Richard Smith	1f8aa53	2019-07-20 08:20:54 +0000	[diff] [blame]	1105	</tr>
				1106	<tr>
				1107	<td>Deprecate some problematic uses of <tt>volatile</tt></td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1108	<td><a href="https://wg21.link/p1152r4">P1152R4</a></td>
Richard Smith	4a6861a	2019-10-09 02:04:54 +0000	[diff] [blame]	1109	<td class="svn" align="center">SVN</td>
Richard Smith	1f8aa53	2019-07-20 08:20:54 +0000	[diff] [blame]	1110	</tr>
				1111	<tr>
				1112	<td><tt>[[nodiscard("with reason")]]</tt></td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1113	<td><a href="https://wg21.link/p1301r4">P1301R4</a></td>
Richard Smith	2d2850f	2019-09-20 18:09:05 +0000	[diff] [blame]	1114	<td class="full" align="center">Clang 9</td>
Richard Smith	1f8aa53	2019-07-20 08:20:54 +0000	[diff] [blame]	1115	</tr>
				1116	<tr>
				1117	<td><tt>using enum</tt></td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1118	<td><a href="https://wg21.link/p1099r5">P1099R5</a></td>
Richard Smith	1f8aa53	2019-07-20 08:20:54 +0000	[diff] [blame]	1119	<td class="none" align="center">No</td>
				1120	</tr>
				1121	<tr>
				1122	<td>Class template argument deduction for aggregates</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1123	<td><a href="https://wg21.link/p1816r0">P1816R0</a></td>
Richard Smith	1f8aa53	2019-07-20 08:20:54 +0000	[diff] [blame]	1124	<td class="none" align="center">No</td>
				1125	</tr>
				1126	<tr>
				1127	<td>Class template argument deduction for alias templates</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1128	<td><a href="https://wg21.link/p1814r0">P1814R0</a></td>
Richard Smith	1f8aa53	2019-07-20 08:20:54 +0000	[diff] [blame]	1129	<td class="none" align="center">No</td>
				1130	</tr>
				1131	<tr>
				1132	<td>Permit conversions to arrays of unknown bound</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1133	<td><a href="https://wg21.link/p0388r4">P0388R4</a></td>
Richard Smith	1f8aa53	2019-07-20 08:20:54 +0000	[diff] [blame]	1134	<td class="none" align="center">No</td>
				1135	</tr>
				1136	<tr>
				1137	<td><tt>constinit</tt></td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1138	<td><a href="https://wg21.link/p1143r2">P1143R2</a></td>
Richard Smith	a6e8b68	2019-09-04 20:30:37 +0000	[diff] [blame]	1139	<td class="svn" align="center">SVN</td>
Richard Smith	1f8aa53	2019-07-20 08:20:54 +0000	[diff] [blame]	1140	</tr>
Richard Smith	da62f42	2017-07-15 15:42:36 +0000	[diff] [blame]	1141	</table>
Richard Smith	28ddb91	2018-11-14 21:04:34 +0000	[diff] [blame]	1142
				1143	<p>
				1144	<span id="p0482">(11): Prior to Clang 8, this feature is not enabled by
				1145	<tt>-std=c++2a</tt>, but can be enabled with <tt>-fchar8_t</tt>.
				1146	</span>
				1147	</p>
Richard Smith	da62f42	2017-07-15 15:42:36 +0000	[diff] [blame]	1148	</details>
				1149
Richard Smith	a14f320	2018-03-17 14:28:47 +0000	[diff] [blame]	1150	<h2 id="dr">Defect reports</h2>
				1151
				1152	<p>Clang generally aims to implement resolutions to Defect Reports (bug fixes
				1153	against prior standards) retroactively, in all prior standard versions where
				1154	the fix is meaningful. Significant Defect Report changes to language features
				1155	after the publication of the relevant standard are marked (DR) in the above
				1156	table.</p>
				1157
				1158	<p>Clang also has a test suite for conformance to resolutions for issues on the
				1159	<a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_toc.html">C++ core issues list</a>,
				1160	most of which are considered Defect Reports.
				1161	<a href="cxx_dr_status.html">Implementation status for C++ core issues</a> based on
				1162	that test suite is tracked on a separate page.</p>
Richard Smith	1363e8f	2017-09-07 07:22:36 +0000	[diff] [blame]	1163
Richard Smith	91e474f	2013-11-27 22:58:16 +0000	[diff] [blame]	1164	<h2 id="ts">Technical specifications and standing documents</h2>
				1165
				1166	<p>ISO C++ also publishes a number of documents describing additional language
Richard Smith	e2bf878	2016-09-28 21:01:37 +0000	[diff] [blame]	1167	and library features that are not part of standard C++.</p>
				1168
				1169	<details open>
				1170	<summary>List of features and minimum Clang version with support</summary>
Richard Smith	91e474f	2013-11-27 22:58:16 +0000	[diff] [blame]	1171
				1172	<table width="689" border="1" cellspacing="0">
				1173	<tr>
				1174	<th>Document</th>
				1175	<th>Latest draft</th>
Richard Smith	e2bf878	2016-09-28 21:01:37 +0000	[diff] [blame]	1176	<th>Compiler flag</th>
Richard Smith	91e474f	2013-11-27 22:58:16 +0000	[diff] [blame]	1177	<th>Available in Clang?</th>
				1178	</tr>
Richard Smith	3e3e2e9	2018-06-14 00:05:28 +0000	[diff] [blame]	1179	<tr id="sd6">
Chris Kennelly	8dfa4ad	2019-01-11 17:09:22 +0000	[diff] [blame]	1180	<td rowspan="6">SD-6: SG10 feature test recommendations</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1181	<td rowspan="6"><a href="https://isocpp.org/std/standing-documents/sd-6-sg10-feature-test-recommendations">SD-6</a></td>
Chris Kennelly	8dfa4ad	2019-01-11 17:09:22 +0000	[diff] [blame]	1182	<td rowspan="6">N/A</td>
Richard Smith	38af856	2014-11-12 21:16:38 +0000	[diff] [blame]	1183	<td class="full" align="center">
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1184	Clang 3.4 (<a href="https://wg21.link/n3745">N3745</a>)</br>
Richard Smith	38af856	2014-11-12 21:16:38 +0000	[diff] [blame]	1185	</td>
				1186	</tr>
				1187	<tr>
Richard Smith	42b1057	2015-11-11 01:36:17 +0000	[diff] [blame]	1188	<td class="full" align="center">
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1189	Clang 3.6 (<a href="https://wg21.link/n4200">N4200</a>)</a>
Richard Smith	38af856	2014-11-12 21:16:38 +0000	[diff] [blame]	1190	</td>
Richard Smith	91e474f	2013-11-27 22:58:16 +0000	[diff] [blame]	1191	</tr>
Richard Smith	b02043c	2016-09-28 19:44:50 +0000	[diff] [blame]	1192	<tr>
Richard Smith	d7279bb	2017-01-13 00:57:54 +0000	[diff] [blame]	1193	<td class="full" align="center">
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1194	Clang 4 (<a href="https://wg21.link/p0096r3">P0096R3</a>)</a>
Richard Smith	b02043c	2016-09-28 19:44:50 +0000	[diff] [blame]	1195	</td>
				1196	</tr>
Richard Smith	9d07ae7	2017-08-11 03:39:40 +0000	[diff] [blame]	1197	<tr>
Richard Smith	4b82f9c	2017-09-09 01:11:04 +0000	[diff] [blame]	1198	<td class="full" align="center">
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1199	Clang 5 (<a href="https://wg21.link/p0096r4">P0096R4</a>)</a>
Richard Smith	9d07ae7	2017-08-11 03:39:40 +0000	[diff] [blame]	1200	</td>
				1201	</tr>
Richard Smith	20eb9ba	2018-06-14 00:40:20 +0000	[diff] [blame]	1202	<tr>
Richard Smith	e57418b	2018-09-24 23:21:09 +0000	[diff] [blame]	1203	<td class="full" align="center">
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1204	Clang 7 (<a href="https://wg21.link/p0096r5">P0096R5</a>)</a>
Richard Smith	20eb9ba	2018-06-14 00:40:20 +0000	[diff] [blame]	1205	</td>
				1206	</tr>
Chris Kennelly	8dfa4ad	2019-01-11 17:09:22 +0000	[diff] [blame]	1207	<tr>
				1208	<td class="partial" align="center">
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1209	WIP (<a href="https://wg21.link/p1353r0">P1353R0</a>)
Chris Kennelly	8dfa4ad	2019-01-11 17:09:22 +0000	[diff] [blame]	1210	</td>
				1211	</tr>
Richard Smith	894835f	2015-11-05 21:41:06 +0000	[diff] [blame]	1212	<!-- FIXME: Implement latest recommendations.
Richard Smith	91e474f	2013-11-27 22:58:16 +0000	[diff] [blame]	1213	<tr>
Richard Smith	894835f	2015-11-05 21:41:06 +0000	[diff] [blame]	1214	<td class="svn" align="center">
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1215	SVN (<a href="https://wg21.link/p0096r3">P0096R3</a>)</a>
Richard Smith	894835f	2015-11-05 21:41:06 +0000	[diff] [blame]	1216	</td>
				1217	</tr>
				1218	-->
				1219	<!-- No compiler support is known to be needed for:
				1220	* Concurrency TS
Richard Smith	20eb9ba	2018-06-14 00:40:20 +0000	[diff] [blame]	1221	* Parallelism TS (v1, v2)
Richard Smith	894835f	2015-11-05 21:41:06 +0000	[diff] [blame]	1222	* Ranges TS
				1223	* Networking TS
				1224	* File System TS
				1225	-->
				1226	<tr>
				1227	<td>[TS] Concepts</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1228	<td><a href="https://wg21.link/p0121r0">P0121R0</a></td>
Richard Smith	e2bf878	2016-09-28 21:01:37 +0000	[diff] [blame]	1229	<td></td>
Richard Smith	137f657	2017-11-11 17:54:46 +0000	[diff] [blame]	1230	<td class="na" align="center">Superseded by <a href="#p0734">P0734R0</a></td>
Richard Smith	e2bf878	2016-09-28 21:01:37 +0000	[diff] [blame]	1231	</tr>
				1232	<tr>
Richard Smith	429dbdd	2018-11-10 18:02:40 +0000	[diff] [blame]	1233	<!-- track unimplemented Coroutines features: p0913r1 p0914r1 p1356r0 -->
Richard Smith	456e7af	2019-02-23 21:06:25 +0000	[diff] [blame]	1234	<td rowspan="2">[TS] Coroutines</td>
				1235	<td rowspan="2"><a href="https://isocpp.org/files/papers/N4663.pdf">N4663</a></td>
Richard Smith	29c5f16	2017-07-06 00:29:13 +0000	[diff] [blame]	1236	<td><tt>-fcoroutines-ts<br>-stdlib=libc++</tt></td>
Richard Smith	4b82f9c	2017-09-09 01:11:04 +0000	[diff] [blame]	1237	<td class="full" align="center">Clang 5</td>
Richard Smith	91e474f	2013-11-27 22:58:16 +0000	[diff] [blame]	1238	</tr>
Richard Smith	3a0ed87	2014-02-15 00:29:00 +0000	[diff] [blame]	1239	<tr>
Richard Smith	456e7af	2019-02-23 21:06:25 +0000	[diff] [blame]	1240	<td><tt>-std=c++2a<br>-stdlib=libc++</tt></td>
				1241	<td class="na" align="center">Superseded by <a href="#p0912">P0912R5</a></td>
				1242	</tr>
				1243	<tr>
Richard Smith	894835f	2015-11-05 21:41:06 +0000	[diff] [blame]	1244	<td>[TS] Library Fundamentals, Version 1 (invocation type traits)</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1245	<td><a href="https://wg21.link/n4480">N4480</a></td>
Richard Smith	e2bf878	2016-09-28 21:01:37 +0000	[diff] [blame]	1246	<td>N/A</td>
Richard Smith	3a0ed87	2014-02-15 00:29:00 +0000	[diff] [blame]	1247	<td class="none" align="center">No</td>
				1248	</tr>
				1249	<tr>
Richard Smith	20eb9ba	2018-06-14 00:40:20 +0000	[diff] [blame]	1250	<td>[TS] Library Fundamentals, Version 2 (<tt>source_location</tt>)</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1251	<td><a href="https://wg21.link/n4617">N4617</a></td>
Richard Smith	e2bf878	2016-09-28 21:01:37 +0000	[diff] [blame]	1252	<td>N/A</td>
Richard Smith	32377ad	2019-10-08 23:39:56 +0000	[diff] [blame]	1253	<td class="full" align="center">Clang 9 (<a href="docs/LanguageExtensions.html#source-location-builtins">documentation</a>)</td>
Richard Smith	894835f	2015-11-05 21:41:06 +0000	[diff] [blame]	1254	</tr>
				1255	<tr>
Richard Smith	20eb9ba	2018-06-14 00:40:20 +0000	[diff] [blame]	1256	<td>[TS] Modules</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1257	<td><a href="https://wg21.link/n4720">N4720</a></td>
Richard Smith	e2bf878	2016-09-28 21:01:37 +0000	[diff] [blame]	1258	<td><tt>-fmodules-ts</tt></td>
Richard Smith	456e7af	2019-02-23 21:06:25 +0000	[diff] [blame]	1259	<td class="na" align="center">Superseded by <a href="#p1103">P1103R3</a></td>
Richard Smith	f006a96	2016-03-04 21:01:14 +0000	[diff] [blame]	1260	</tr>
Richard Smith	a14f320	2018-03-17 14:28:47 +0000	[diff] [blame]	1261	<tr>
				1262	<td>[DRAFT TS] Reflection</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1263	<td><a href="https://wg21.link/n4746">N4746</a></td>
Richard Smith	a14f320	2018-03-17 14:28:47 +0000	[diff] [blame]	1264	<td></td>
				1265	<td class="none" align="center">No</td>
				1266	</tr>
Richard Smith	f006a96	2016-03-04 21:01:14 +0000	[diff] [blame]	1267	<tr>
Richard Smith	894835f	2015-11-05 21:41:06 +0000	[diff] [blame]	1268	<td>[TS] Transactional Memory</td>
Stephan T. Lavavej	2e4f1e1	2019-10-23 16:42:47 -0700	[diff] [blame^]	1269	<td><a href="https://wg21.link/n4514">N4514</a></td>
Richard Smith	e2bf878	2016-09-28 21:01:37 +0000	[diff] [blame]	1270	<td></td>
Richard Smith	3a0ed87	2014-02-15 00:29:00 +0000	[diff] [blame]	1271	<td class="none" align="center">No</td>
				1272	</tr>
Richard Smith	91e474f	2013-11-27 22:58:16 +0000	[diff] [blame]	1273	</table>
Richard Smith	e2bf878	2016-09-28 21:01:37 +0000	[diff] [blame]	1274	</details>
Richard Smith	91e474f	2013-11-27 22:58:16 +0000	[diff] [blame]	1275
Cedric Venet	08438133	2009-02-14 20:20:19 +0000	[diff] [blame]	1276	</div>
				1277	</body>
				1278	</html>