1*67e74705SXin Li<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" 2*67e74705SXin Li "http://www.w3.org/TR/html4/strict.dtd"> 3*67e74705SXin Li<html> 4*67e74705SXin Li<head> 5*67e74705SXin Li <META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> 6*67e74705SXin Li <title>Clang - C++1z, C++14, C++11 and C++98 Status</title> 7*67e74705SXin Li <link type="text/css" rel="stylesheet" href="menu.css"> 8*67e74705SXin Li <link type="text/css" rel="stylesheet" href="content.css"> 9*67e74705SXin Li <style type="text/css"> 10*67e74705SXin Li .none { background-color: #FFCCCC } 11*67e74705SXin Li .partial { background-color: #FFE0B0 } 12*67e74705SXin Li .svn { background-color: #FFFF99 } 13*67e74705SXin Li .full { background-color: #CCFF99 } 14*67e74705SXin Li .na { background-color: #DDDDDD } 15*67e74705SXin Li span:target { background-color: #FFFFBB; outline: #DDDD55 solid thin; } 16*67e74705SXin Li th { background-color: #FFDDAA } 17*67e74705SXin Li td { vertical-align: middle } 18*67e74705SXin Li </style> 19*67e74705SXin Li</head> 20*67e74705SXin Li<body> 21*67e74705SXin Li 22*67e74705SXin Li<!--#include virtual="menu.html.incl"--> 23*67e74705SXin Li 24*67e74705SXin Li<div id="content"> 25*67e74705SXin Li 26*67e74705SXin Li<!--*************************************************************************--> 27*67e74705SXin Li<h1>C++ Support in Clang</h1> 28*67e74705SXin Li<!--*************************************************************************--> 29*67e74705SXin Li<p>Last updated: $Date$</p> 30*67e74705SXin Li 31*67e74705SXin Li<p>Clang fully implements all published ISO C++ standards including <a 32*67e74705SXin Lihref="#cxx11">C++11</a>, as well as the upcoming <a 33*67e74705SXin Lihref="#cxx14">C++14</a> standard, and some parts of the fledgling <a 34*67e74705SXin Lihref="#cxx17">C++1z</a> standard, 35*67e74705SXin Liand is considered a production-quality C++ compiler. 36*67e74705SXin Li 37*67e74705SXin Li<p>The Clang community is continually striving to improve C++ standards 38*67e74705SXin Licompliance between releases by submitting and tracking <a 39*67e74705SXin Lihref="cxx_dr_status.html">C++ Defect Reports</a> and implementing resolutions 40*67e74705SXin Lias they become available.</p> 41*67e74705SXin Li 42*67e74705SXin Li<p>Experimental work is also under way to implement <a href="#ts">C++ Technical 43*67e74705SXin LiSpecifications</a> that will help drive the future of the C++ programming 44*67e74705SXin Lilanguage.</p> 45*67e74705SXin Li 46*67e74705SXin Li<p>The <a href="http://llvm.org/bugs/">LLVM bug tracker</a> contains Clang 47*67e74705SXin LiC++ components that track known bugs with Clang's language conformance in 48*67e74705SXin Lieach language mode.</p> 49*67e74705SXin Li 50*67e74705SXin Li<h2 id="cxx98">C++98 implementation status</h2> 51*67e74705SXin Li 52*67e74705SXin Li<p>Clang implements all of the ISO C++ 1998 standard 53*67e74705SXin Li (including the defects addressed in the ISO C++ 2003 standard) 54*67e74705SXin Li except for <tt>export</tt> (which was removed in C++11). 55*67e74705SXin Li 56*67e74705SXin Li<h2 id="cxx11">C++11 implementation status</h2> 57*67e74705SXin Li 58*67e74705SXin Li <p>Clang 3.3 and later implement all of the <a 59*67e74705SXin Li href="http://www.iso.org/iso/iso_catalogue/catalogue_tc/catalogue_detail.htm?csnumber=50372">ISO 60*67e74705SXin Li C++ 2011 standard</a>. The following table describes the Clang version 61*67e74705SXin Li in which each feature became available.</p> 62*67e74705SXin Li 63*67e74705SXin Li<p>By default, Clang builds C++ code according to the C++98 standard, with many 64*67e74705SXin LiC++11 features accepted as extensions. You can use Clang in C++11 mode with the 65*67e74705SXin Li<code>-std=c++11</code> option. Clang's C++11 mode can be used 66*67e74705SXin Liwith <a href="http://libcxx.llvm.org/">libc++</a> or with gcc's libstdc++, but 67*67e74705SXin Lipatches are needed to make <a href="libstdc++4.4-clang0x.patch">libstdc++-4.4</a> 68*67e74705SXin Liwork with Clang in C++11 mode. Patches are also needed to make 69*67e74705SXin Li<a href="libstdc++4.6-clang11.patch">libstdc++-4.6</a> 70*67e74705SXin Liand <a href="libstdc++4.7-clang11.patch">libstdc++-4.7</a> work with Clang 71*67e74705SXin Lireleases prior to version 3.2 in C++11 mode. 72*67e74705SXin Li 73*67e74705SXin Li<table width="689" border="1" cellspacing="0"> 74*67e74705SXin Li <tr> 75*67e74705SXin Li <th>Language Feature</th> 76*67e74705SXin Li <th>C++11 Proposal</th> 77*67e74705SXin Li <th>Available in Clang?</th> 78*67e74705SXin Li </tr> 79*67e74705SXin Li <tr> 80*67e74705SXin Li <td>Rvalue references</td> 81*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2006/n2118.html">N2118</a></td> 82*67e74705SXin Li <td class="full" align="center">Clang 2.9</td> 83*67e74705SXin Li </tr> 84*67e74705SXin Li <tr> 85*67e74705SXin Li <td> Rvalue references for <code>*this</code></td> 86*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2439.htm">N2439</a></td> 87*67e74705SXin Li <td class="full" align="center">Clang 2.9</td> 88*67e74705SXin Li </tr> 89*67e74705SXin Li <tr> 90*67e74705SXin Li <td>Initialization of class objects by rvalues</td> 91*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2004/n1610.html">N1610</a></td> 92*67e74705SXin Li <td class="full" align="center">Clang 2.9</td> 93*67e74705SXin Li </tr> 94*67e74705SXin Li <tr> 95*67e74705SXin Li <td>Non-static data member initializers</td> 96*67e74705SXin Li <td><a href="http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2008/n2756.htm">N2756</a></td> 97*67e74705SXin Li <td class="full" align="center">Clang 3.0</td> 98*67e74705SXin Li </tr> 99*67e74705SXin Li <tr> 100*67e74705SXin Li <td>Variadic templates</td> 101*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2242.pdf">N2242</a></td> 102*67e74705SXin Li <td class="full" align="center">Clang 2.9</td> 103*67e74705SXin Li </tr> 104*67e74705SXin Li <tr> 105*67e74705SXin Li <td> Extending variadic template template parameters</td> 106*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2555.pdf">N2555</a></td> 107*67e74705SXin Li <td class="full" align="center">Clang 2.9</td> 108*67e74705SXin Li </tr> 109*67e74705SXin Li <tr> 110*67e74705SXin Li <td>Initializer lists</td> 111*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2672.htm">N2672</a></td> 112*67e74705SXin Li <td class="full" align="center">Clang 3.1</td> 113*67e74705SXin Li </tr> 114*67e74705SXin Li <tr> 115*67e74705SXin Li <td>Static assertions</td> 116*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2004/n1720.html">N1720</a></td> 117*67e74705SXin Li <td class="full" align="center">Clang 2.9</td> 118*67e74705SXin Li </tr> 119*67e74705SXin Li <tr> 120*67e74705SXin Li <td><code>auto</code>-typed variables</td> 121*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2006/n1984.pdf">N1984</a></td> 122*67e74705SXin Li <td class="full" align="center">Clang 2.9</td> 123*67e74705SXin Li </tr> 124*67e74705SXin Li <tr> 125*67e74705SXin Li <td> Multi-declarator <code>auto</code></td> 126*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2004/n1737.pdf">N1737</a></td> 127*67e74705SXin Li <td class="full" align="center">Clang 2.9</td> 128*67e74705SXin Li </tr> 129*67e74705SXin Li <tr> 130*67e74705SXin Li <td> Removal of auto as a storage-class specifier</td> 131*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2546.htm">N2546</a></td> 132*67e74705SXin Li <td class="full" align="center">Clang 2.9</td> 133*67e74705SXin Li </tr> 134*67e74705SXin Li <tr> 135*67e74705SXin Li <td> New function declarator syntax</td> 136*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2541.htm">N2541</a></td> 137*67e74705SXin Li <td class="full" align="center">Clang 2.9</td> 138*67e74705SXin Li </tr> 139*67e74705SXin Li <tr> 140*67e74705SXin Li <td>Lambda expressions</td> 141*67e74705SXin Li <td><a href="http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2009/n2927.pdf">N2927</a></td> 142*67e74705SXin Li <td class="full" align="center">Clang 3.1</td> 143*67e74705SXin Li </tr> 144*67e74705SXin Li <tr> 145*67e74705SXin Li <td>Declared type of an expression</td> 146*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2343.pdf">N2343</a></td> 147*67e74705SXin Li <td class="full" align="center">Clang 2.9</td> 148*67e74705SXin Li </tr> 149*67e74705SXin Li <tr> 150*67e74705SXin Li <td> Incomplete return types</td> 151*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2011/n3276.pdf">N3276</a></td> 152*67e74705SXin Li <td class="full" align="center">Clang 3.1</td> 153*67e74705SXin Li </tr> 154*67e74705SXin Li <tr> 155*67e74705SXin Li <td>Right angle brackets</td> 156*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2005/n1757.html">N1757</a></td> 157*67e74705SXin Li <td class="full" align="center">Clang 2.9</td> 158*67e74705SXin Li </tr> 159*67e74705SXin Li <tr> 160*67e74705SXin Li <td>Default template arguments for function templates</td> 161*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#226">DR226</a></td> 162*67e74705SXin Li <td class="full" align="center">Clang 2.9</td> 163*67e74705SXin Li </tr> 164*67e74705SXin Li <tr> 165*67e74705SXin Li <td>Solving the SFINAE problem for expressions</td> 166*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2634.html">DR339</a></td> 167*67e74705SXin Li <td class="full" align="center">Clang 2.9</td> 168*67e74705SXin Li </tr> 169*67e74705SXin Li <tr> 170*67e74705SXin Li <td>Alias templates</td> 171*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2258.pdf">N2258</a></td> 172*67e74705SXin Li <td class="full" align="center">Clang 3.0</td> 173*67e74705SXin Li </tr> 174*67e74705SXin Li <tr> 175*67e74705SXin Li <td>Extern templates</td> 176*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2006/n1987.htm">N1987</a></td> 177*67e74705SXin Li <td class="full" align="center">Clang 2.9</td> 178*67e74705SXin Li </tr> 179*67e74705SXin Li <tr> 180*67e74705SXin Li <td>Null pointer constant</td> 181*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2431.pdf">N2431</a></td> 182*67e74705SXin Li <td class="full" align="center">Clang 3.0</td> 183*67e74705SXin Li </tr> 184*67e74705SXin Li <tr> 185*67e74705SXin Li <td>Strongly-typed enums</td> 186*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2347.pdf">N2347</a></td> 187*67e74705SXin Li <td class="full" align="center">Clang 2.9</td> 188*67e74705SXin Li </tr> 189*67e74705SXin Li <tr> 190*67e74705SXin Li <td>Forward declarations for enums</td> 191*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2764.pdf">N2764</a> 192*67e74705SXin Li <br><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#1206">DR1206</a></td> 193*67e74705SXin Li <td class="full" align="center">Clang 3.1</td> 194*67e74705SXin Li </tr> 195*67e74705SXin Li <tr> 196*67e74705SXin Li <td>Standardized attribute syntax</td> 197*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2761.pdf">N2761</a></td> 198*67e74705SXin Li <td class="full" align="center">Clang 3.3 <a href="#n2761">(1)</a></td> 199*67e74705SXin Li </tr> 200*67e74705SXin Li <tr> 201*67e74705SXin Li <td>Generalized constant expressions</td> 202*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2235.pdf">N2235</a></td> 203*67e74705SXin Li <td class="full" align="center">Clang 3.1</td> 204*67e74705SXin Li </tr> 205*67e74705SXin Li <tr> 206*67e74705SXin Li <td>Alignment support</td> 207*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2341.pdf">N2341</a></td> 208*67e74705SXin Li <td class="full" align="center">Clang 3.3</td> 209*67e74705SXin Li </tr> 210*67e74705SXin Li <tr> 211*67e74705SXin Li <td>Conditionally-support behavior</td> 212*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2004/n1627.pdf">N1627</a></td> 213*67e74705SXin Li <td class="full" align="center">Clang 2.9</td> 214*67e74705SXin Li </tr> 215*67e74705SXin Li <tr> 216*67e74705SXin Li <td>Changing undefined behavior into diagnosable errors</td> 217*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2004/n1727.pdf">N1727</a></td> 218*67e74705SXin Li <td class="full" align="center">Clang 2.9</td> 219*67e74705SXin Li </tr> 220*67e74705SXin Li <tr> 221*67e74705SXin Li <td>Delegating constructors</td> 222*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2006/n1986.pdf">N1986</a></td> 223*67e74705SXin Li <td class="full" align="center">Clang 3.0</td> 224*67e74705SXin Li </tr> 225*67e74705SXin Li <tr> 226*67e74705SXin Li <td>Inheriting constructors</td> 227*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2540.htm">N2540</a></td> 228*67e74705SXin Li <td class="full" align="center">Clang 3.3</td> 229*67e74705SXin Li </tr> 230*67e74705SXin Li <tr> 231*67e74705SXin Li <td>Explicit conversion operators</td> 232*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2437.pdf">N2437</a></td> 233*67e74705SXin Li <td class="full" align="center">Clang 3.0</td> 234*67e74705SXin Li </tr> 235*67e74705SXin Li <tr> 236*67e74705SXin Li <td>New character types</td> 237*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2249.html">N2249</a></td> 238*67e74705SXin Li <td class="full" align="center">Clang 2.9</td> 239*67e74705SXin Li </tr> 240*67e74705SXin Li <tr> 241*67e74705SXin Li <td>Unicode string literals</td> 242*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2442.htm">N2442</a></td> 243*67e74705SXin Li <td class="full" align="center">Clang 3.0</td> 244*67e74705SXin Li </tr> 245*67e74705SXin Li <tr> 246*67e74705SXin Li <td>Raw string literals</td> 247*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2442.htm">N2442</a></td> 248*67e74705SXin Li <td class="full" align="center">Clang 3.0</td> 249*67e74705SXin Li </tr> 250*67e74705SXin Li <tr> 251*67e74705SXin Li <td>Universal character names in literals</td> 252*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2170.html">N2170</a></td> 253*67e74705SXin Li <td class="full" align="center">Clang 3.1</td> 254*67e74705SXin Li </tr> 255*67e74705SXin Li <tr> 256*67e74705SXin Li <td>User-defined literals</td> 257*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2765.pdf">N2765</a></td> 258*67e74705SXin Li <td class="full" align="center">Clang 3.1</td> 259*67e74705SXin Li </tr> 260*67e74705SXin Li <tr> 261*67e74705SXin Li <td>Standard Layout Types</td> 262*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2342.htm">N2342</a></td> 263*67e74705SXin Li <td class="full" align="center">Clang 3.0</td> 264*67e74705SXin Li </tr> 265*67e74705SXin Li <tr> 266*67e74705SXin Li <td>Defaulted functions</td> 267*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2346.htm">N2346</a></td> 268*67e74705SXin Li <td class="full" align="center">Clang 3.0</td> 269*67e74705SXin Li </tr> 270*67e74705SXin Li <tr> 271*67e74705SXin Li <td>Deleted functions</td> 272*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2346.htm">N2346</a></td> 273*67e74705SXin Li <td class="full" align="center">Clang 2.9</td> 274*67e74705SXin Li </tr> 275*67e74705SXin Li <tr> 276*67e74705SXin Li <td>Extended friend declarations</td> 277*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2005/n1791.pdf">N1791</a></td> 278*67e74705SXin Li <td class="full" align="center">Clang 2.9</td> 279*67e74705SXin Li </tr> 280*67e74705SXin Li <tr> 281*67e74705SXin Li <td>Extending <code>sizeof</code></td> 282*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2253.html">N2253</a> 283*67e74705SXin Li <br><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#850">DR850</a></td> 284*67e74705SXin Li <td class="full" align="center">Clang 3.1</td> 285*67e74705SXin Li </tr> 286*67e74705SXin Li <tr> 287*67e74705SXin Li <td>Inline namespaces</td> 288*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2535.htm">N2535</a></td> 289*67e74705SXin Li <td class="full" align="center">Clang 2.9</td> 290*67e74705SXin Li </tr> 291*67e74705SXin Li <tr> 292*67e74705SXin Li <td>Unrestricted unions</td> 293*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2544.pdf">N2544</a></td> 294*67e74705SXin Li <td class="full" align="center">Clang 3.1</td> 295*67e74705SXin Li </tr> 296*67e74705SXin Li <tr> 297*67e74705SXin Li <td>Local and unnamed types as template arguments</td> 298*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm">N2657</a></td> 299*67e74705SXin Li <td class="full" align="center">Clang 2.9</td> 300*67e74705SXin Li </tr> 301*67e74705SXin Li <tr> 302*67e74705SXin Li <td>Range-based for</td> 303*67e74705SXin Li <td><a href="http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2009/n2930.html">N2930</a></td> 304*67e74705SXin Li <td class="full" align="center">Clang 3.0</td> 305*67e74705SXin Li </tr> 306*67e74705SXin Li <tr> 307*67e74705SXin Li <td>Explicit virtual overrides</td> 308*67e74705SXin Li <td><a href="http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2009/n2928.htm">N2928</a> 309*67e74705SXin Li <br><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2010/n3206.htm">N3206</a> 310*67e74705SXin Li <br><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2011/n3272.htm">N3272</a></td> 311*67e74705SXin Li <td class="full" align="center">Clang 3.0</td> 312*67e74705SXin Li </tr> 313*67e74705SXin Li <tr> 314*67e74705SXin Li <td>Minimal support for garbage collection and reachability-based leak detection</td> 315*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2670.htm">N2670</a></td> 316*67e74705SXin Li <td class="na" align="center">N/A <a href="#n2670">(2)</a></td> 317*67e74705SXin Li </tr> 318*67e74705SXin Li <tr> 319*67e74705SXin Li <td>Allowing move constructors to throw [noexcept]</td> 320*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2010/n3050.html">N3050</a></td> 321*67e74705SXin Li <td class="full" align="center">Clang 3.0</td> 322*67e74705SXin Li </tr> 323*67e74705SXin Li <tr> 324*67e74705SXin Li <td>Defining move special member functions</td> 325*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2010/n3053.html">N3053</a></td> 326*67e74705SXin Li <td class="full" align="center">Clang 3.0</td> 327*67e74705SXin Li </tr> 328*67e74705SXin Li 329*67e74705SXin Li <tr class="separator"> 330*67e74705SXin Li <th align="center" colspan="3">Concurrency</th> 331*67e74705SXin Li </tr> 332*67e74705SXin Li <tr> 333*67e74705SXin Li <td>Sequence points</td> 334*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2239.html">N2239</a></td> 335*67e74705SXin Li <td class="full" align="center">Clang 3.3</td> 336*67e74705SXin Li </tr> 337*67e74705SXin Li <tr> 338*67e74705SXin Li <td>Atomic operations</td> 339*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2427.html">N2427</a></td> 340*67e74705SXin Li <td class="full" align="center">Clang 3.1</td> 341*67e74705SXin Li </tr> 342*67e74705SXin Li <tr> 343*67e74705SXin Li <td>Strong Compare and Exchange</td> 344*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2748.html">N2748</a></td> 345*67e74705SXin Li <td class="full" align="center">Clang 3.1 <a href="#n2748">(3)</a></td> 346*67e74705SXin Li </tr> 347*67e74705SXin Li <tr> 348*67e74705SXin Li <td>Bidirectional Fences</td> 349*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2752.htm">N2752</a></td> 350*67e74705SXin Li <td class="full" align="center">Clang 3.1</td> 351*67e74705SXin Li </tr> 352*67e74705SXin Li 353*67e74705SXin Li <tr> 354*67e74705SXin Li <td>Memory model</td> 355*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2429.htm">N2429</a></td> 356*67e74705SXin Li <td class="full" align="center">Clang 3.2</td> 357*67e74705SXin Li </tr> 358*67e74705SXin Li <tr> 359*67e74705SXin Li <td>Data-dependency ordering: atomics and memory model</td> 360*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2664.htm">N2664</a></td> 361*67e74705SXin Li <td class="full" align="center">Clang 3.2 <a href="#n2664">(4)</a></td> 362*67e74705SXin Li </tr> 363*67e74705SXin Li <tr> 364*67e74705SXin Li <td>Propagating exceptions</td> 365*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2179.html">N2179</a></td> 366*67e74705SXin Li <td class="full" align="center">Clang 2.9</td> 367*67e74705SXin Li </tr> 368*67e74705SXin Li <tr> 369*67e74705SXin Li <td>Allow atomics use in signal handlers</td> 370*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2547.htm">N2547</a></td> 371*67e74705SXin Li <td class="full" align="center">Clang 3.1</td> 372*67e74705SXin Li </tr> 373*67e74705SXin Li <tr> 374*67e74705SXin Li <td>Thread-local storage</td> 375*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2659.htm">N2659</a></td> 376*67e74705SXin Li <td class="full" align="center">Clang 3.3 <a href="#n2659">(5)</a></td> 377*67e74705SXin Li </tr> 378*67e74705SXin Li <tr> 379*67e74705SXin Li <td>Dynamic initialization and destruction with concurrency</td> 380*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2660.htm">N2660</a></td> 381*67e74705SXin Li <td class="full" align="center">Clang 2.9</td> 382*67e74705SXin Li </tr> 383*67e74705SXin Li 384*67e74705SXin Li <tr class="separator"> 385*67e74705SXin Li <th align="center" colspan="3">C99 Features in C++11</th> 386*67e74705SXin Li </tr> 387*67e74705SXin Li <tr> 388*67e74705SXin Li <td><code>__func__</code> predefined identifier</td> 389*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2340.htm">N2340</a></td> 390*67e74705SXin Li <td class="full" align="center">Clang 2.9</td> 391*67e74705SXin Li </tr> 392*67e74705SXin Li <tr> 393*67e74705SXin Li <td>C99 preprocessor</td> 394*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2004/n1653.htm">N1653</a></td> 395*67e74705SXin Li <td class="full" align="center">Clang 2.9</td> 396*67e74705SXin Li </tr> 397*67e74705SXin Li <tr> 398*67e74705SXin Li <td><code>long long</code></td> 399*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2005/n1811.pdf">N1811</a></td> 400*67e74705SXin Li <td class="full" align="center">Clang 2.9</td> 401*67e74705SXin Li </tr> 402*67e74705SXin Li <tr> 403*67e74705SXin Li <td>Extended integral types</td> 404*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2006/n1988.pdf">N1988</a></td> 405*67e74705SXin Li <td class="na" align="center">N/A <a href="#n1988">(6)</a></td> 406*67e74705SXin Li </tr> 407*67e74705SXin Li</table> 408*67e74705SXin Li 409*67e74705SXin Li<p> 410*67e74705SXin Li<span id="n2761">(1): The <code>[[carries_dependency]]</code> attribute 411*67e74705SXin Lihas no effect.</span><br> 412*67e74705SXin Li<span id="n2670">(2): No compiler changes are required for an implementation 413*67e74705SXin Lisuch as Clang that does not provide garbage collection.</span><br> 414*67e74705SXin Li<span id="n2748">(3): All compare-exchange operations are emitted as 415*67e74705SXin Listrong compare-exchanges.</span><br> 416*67e74705SXin Li<span id="n2664">(4): <code>memory_order_consume</code> is lowered to 417*67e74705SXin Li<code>memory_order_acquire</code>.</span><br> 418*67e74705SXin Li<span id="n2659">(5): <code>thread_local</code> support 419*67e74705SXin Lirequires a C++ runtime library providing <code>__cxa_thread_atexit</code>, such 420*67e74705SXin Lias <a href="http://libcxxabi.llvm.org">libc++abi</a> 3.6 or later, 421*67e74705SXin Lior libsupc++ 4.8 or later.</span><br> 422*67e74705SXin Li<span id="n1988">(6): No compiler changes are required for an implementation 423*67e74705SXin Lisuch as Clang that does not provide any extended integer types. 424*67e74705SXin Li<code>__int128</code> is not treated as an extended integer type, 425*67e74705SXin Libecause changing <code>intmax_t</code> would be an ABI-incompatible 426*67e74705SXin Lichange.</span> 427*67e74705SXin Li</p> 428*67e74705SXin Li 429*67e74705SXin Li<h2 id="cxx14">C++14 implementation status</h2> 430*67e74705SXin Li 431*67e74705SXin Li<p>Clang 3.4 and later implement all of the Draft International Standard (see <a 432*67e74705SXin Lihref="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3797.pdf">most 433*67e74705SXin Lirecent publicly available draft</a>) 434*67e74705SXin Liof the upcoming C++14 language standard. The following table describes the 435*67e74705SXin LiClang version in which each feature became available.</p> 436*67e74705SXin Li 437*67e74705SXin Li<p>You can use Clang in C++14 mode with the <code>-std=c++14</code> option 438*67e74705SXin Li(use <code>-std=c++1y</code> in Clang 3.4 and earlier).</p> 439*67e74705SXin Li 440*67e74705SXin Li<table width="689" border="1" cellspacing="0"> 441*67e74705SXin Li <tr> 442*67e74705SXin Li <th>Language Feature</th> 443*67e74705SXin Li <th>C++14 Proposal</th> 444*67e74705SXin Li <th>Available in Clang?</th> 445*67e74705SXin Li </tr> 446*67e74705SXin Li <tr> 447*67e74705SXin Li <td>Tweak to certain C++ contextual conversions</td> 448*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2012/n3323.pdf">N3323</a></td> 449*67e74705SXin Li <td class="full" align="center">Clang 3.4</td> 450*67e74705SXin Li </tr> 451*67e74705SXin Li <tr> 452*67e74705SXin Li <td>Binary literals</td> 453*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2012/n3472.pdf">N3472</a></td> 454*67e74705SXin Li <td class="full" align="center">Clang 2.9</td> 455*67e74705SXin Li </tr> 456*67e74705SXin Li <tr> 457*67e74705SXin Li <td>decltype(auto)</td> 458*67e74705SXin Li <td rowspan=2 style="vertical-align:middle"><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3638.html">N3638</a></td> 459*67e74705SXin Li <td class="full" align="center">Clang 3.3</td> 460*67e74705SXin Li </tr> 461*67e74705SXin Li <tr> 462*67e74705SXin Li <td>Return type deduction for normal functions</td> 463*67e74705SXin Li <td class="full" align="center">Clang 3.4</td> 464*67e74705SXin Li </tr> 465*67e74705SXin Li <tr> 466*67e74705SXin Li <td>Initialized lambda captures</td> 467*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3648.html">N3648</a></td> 468*67e74705SXin Li <td class="full" align="center">Clang 3.4</td> 469*67e74705SXin Li </tr> 470*67e74705SXin Li <tr> 471*67e74705SXin Li <td>Generic lambdas</td> 472*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3649.html">N3649</a></td> 473*67e74705SXin Li <td class="full" align="center">Clang 3.4</td> 474*67e74705SXin Li </tr> 475*67e74705SXin Li <tr> 476*67e74705SXin Li <td>Variable templates</td> 477*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3651.pdf">N3651</a></td> 478*67e74705SXin Li <td class="full" align="center">Clang 3.4</td> 479*67e74705SXin Li </tr> 480*67e74705SXin Li <tr> 481*67e74705SXin Li <td>Relaxing requirements on constexpr functions</td> 482*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3652.html">N3652</a></td> 483*67e74705SXin Li <td class="full" align="center">Clang 3.4</td> 484*67e74705SXin Li </tr> 485*67e74705SXin Li <tr> 486*67e74705SXin Li <td>Member initializers and aggregates</td> 487*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3653.html">N3653</a></td> 488*67e74705SXin Li <td class="full" align="center">Clang 3.3</td> 489*67e74705SXin Li </tr> 490*67e74705SXin Li <tr> 491*67e74705SXin Li <td>Clarifying memory allocation</td> 492*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3664.html">N3664</a></td> 493*67e74705SXin Li <td class="full" align="center">Clang 3.4</td> 494*67e74705SXin Li </tr> 495*67e74705SXin Li <tr> 496*67e74705SXin Li <td><tt>[[deprecated]]</tt> attribute</td> 497*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3760.html">N3760</a></td> 498*67e74705SXin Li <td class="full" align="center">Clang 3.4</td> 499*67e74705SXin Li </tr> 500*67e74705SXin Li <tr> 501*67e74705SXin Li <td>Single quotation mark as digit separator</td> 502*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3781.pdf">N3781</a></td> 503*67e74705SXin Li <td class="full" align="center">Clang 3.4</td> 504*67e74705SXin Li </tr> 505*67e74705SXin Li <tr> 506*67e74705SXin Li <td>C++ Sized Deallocation</td> 507*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3778.html">N3778</a></td> 508*67e74705SXin Li <td class="full" align="center">Clang 3.4 <a href="#n3778">(7)</a></td> 509*67e74705SXin Li </tr> 510*67e74705SXin Li</table> 511*67e74705SXin Li 512*67e74705SXin Li<p> 513*67e74705SXin Li<span id="n3778">(7): In Clang 3.7 and later, sized deallocation is only enabled 514*67e74705SXin Liif the user passes the <code>-fsized-deallocation</code> flag. The user must 515*67e74705SXin Lisupply definitions of the sized deallocation functions, either by providing them 516*67e74705SXin Liexplicitly or by using a C++ standard library that does. <code>libstdc++</code> 517*67e74705SXin Liadded these functions in version 5.0, and <code>libc++</code> added them in 518*67e74705SXin Liversion 3.7. 519*67e74705SXin Li</span> 520*67e74705SXin Li</p> 521*67e74705SXin Li 522*67e74705SXin Li<h2 id="cxx17">C++1z implementation status</h2> 523*67e74705SXin Li 524*67e74705SXin Li<p>Clang has <b>experimental</b> support for some proposed features of 525*67e74705SXin Lithe C++ standard following C++14, provisionally named C++1z. 526*67e74705SXin LiThe following table describes which C++1z features 527*67e74705SXin Lihave been implemented in Clang and in which Clang version they became 528*67e74705SXin Liavailable.</p> 529*67e74705SXin Li 530*67e74705SXin Li<p>Note that support for these features may change or be removed without notice, 531*67e74705SXin Lias the draft C++1z standard evolves.</p> 532*67e74705SXin Li 533*67e74705SXin Li<p>You can use Clang in C++1z mode with the <code>-std=c++1z</code> option.</p> 534*67e74705SXin Li 535*67e74705SXin Li<table width="689" border="1" cellspacing="0"> 536*67e74705SXin Li <tr> 537*67e74705SXin Li <th>Language Feature</th> 538*67e74705SXin Li <th>C++1z Proposal</th> 539*67e74705SXin Li <th>Available in Clang?</th> 540*67e74705SXin Li </tr> 541*67e74705SXin Li <!-- Issaquah papers --> 542*67e74705SXin Li <tr> 543*67e74705SXin Li <td><tt>static_assert</tt> with no message</td> 544*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n3928.pdf">N3928</a></td> 545*67e74705SXin Li <td class="full" align="center">Clang 3.5</td> 546*67e74705SXin Li </tr> 547*67e74705SXin Li <!-- Rapperswil papers --> 548*67e74705SXin Li <tr> 549*67e74705SXin Li <td>Disabling trigraph expansion by default</td> 550*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4086.html">N4086</a></td> 551*67e74705SXin Li <td class="full" align="center">Clang 3.5</td> 552*67e74705SXin Li </tr> 553*67e74705SXin Li <!-- 554*67e74705SXin Li <tr> 555*67e74705SXin Li <td rowspan="2">Terse range-based for loops (removed from C++1z)</td> 556*67e74705SXin Li <td rowspan="2"><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n3994.htm">N3994</a></td> 557*67e74705SXin Li <td class="none" align="center">Clang 3.5: Yes</td> 558*67e74705SXin Li </tr> 559*67e74705SXin Li <tr> 560*67e74705SXin Li <td class="svn" align="center">SVN: No</td> 561*67e74705SXin Li </tr> 562*67e74705SXin Li --> 563*67e74705SXin Li <tr> 564*67e74705SXin Li <td><tt>typename</tt> in a template template parameter</td> 565*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4051.html">N4051</a></td> 566*67e74705SXin Li <td class="full" align="center">Clang 3.5</td> 567*67e74705SXin Li </tr> 568*67e74705SXin Li <tr> 569*67e74705SXin Li <td>New <tt>auto</tt> rules for direct-list-initialization 570*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n3922.html">N3922</a></td> 571*67e74705SXin Li <td class="full" align="center">Clang 3.8 <a href="#n3922">(8)</a></td> 572*67e74705SXin Li </tr> 573*67e74705SXin Li <!-- Urbana papers --> 574*67e74705SXin Li <tr> 575*67e74705SXin Li <td rowspan="2">Fold expressions</td> 576*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4295.html">N4295</a></td> 577*67e74705SXin Li <td class="full" align="center">Clang 3.6</td> 578*67e74705SXin Li </tr> 579*67e74705SXin Li <tr> <!-- from Jacksonville --> 580*67e74705SXin Li <td><a href="http://wg21.link/p0036r0">P0036R0</a></td> 581*67e74705SXin Li <td class="svn" align="center">SVN</td> 582*67e74705SXin Li </tr> 583*67e74705SXin Li <tr> 584*67e74705SXin Li <td><tt>u8</tt> character literals</td> 585*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4267.html">N4267</a></td> 586*67e74705SXin Li <td class="full" align="center">Clang 3.6</td> 587*67e74705SXin Li </tr> 588*67e74705SXin Li <tr> 589*67e74705SXin Li <td>Nested namespace definition</td> 590*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4230.html">N4230</a></td> 591*67e74705SXin Li <td class="full" align="center">Clang 3.6</td> 592*67e74705SXin Li </tr> 593*67e74705SXin Li <tr> 594*67e74705SXin Li <td>Attributes for namespaces and enumerators</td> 595*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4266.html">N4266</a></td> 596*67e74705SXin Li <td class="full" align="center">Clang 3.6</td> 597*67e74705SXin Li </tr> 598*67e74705SXin Li <tr> 599*67e74705SXin Li <td>Allow constant evaluation for all non-type template arguments</td> 600*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4268.html">N4268</a></td> 601*67e74705SXin Li <td class="full" align="center">Clang 3.6</td> 602*67e74705SXin Li </tr> 603*67e74705SXin Li <!-- Kona papers --> 604*67e74705SXin Li <tr> 605*67e74705SXin Li <td>Remove deprecated <tt>register</tt> storage class</td> 606*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/p0001r1.html">P0001R1</a></td> 607*67e74705SXin Li <td class="full" align="center">Clang 3.8</td> 608*67e74705SXin Li </tr> 609*67e74705SXin Li <tr> 610*67e74705SXin Li <td>Remove deprecated <tt>bool</tt> increment</td> 611*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/p0002r1.html">P0002R1</a></td> 612*67e74705SXin Li <td class="full" align="center">Clang 3.8</td> 613*67e74705SXin Li </tr> 614*67e74705SXin Li <tr> 615*67e74705SXin Li <td>Make exception specifications part of the type system</td> 616*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/p0012r1.html">P0012R1</a></td> 617*67e74705SXin Li <td class="none" align="center">No</td> 618*67e74705SXin Li </tr> 619*67e74705SXin Li <tr> 620*67e74705SXin Li <td><tt>__has_include</tt> in preprocessor conditionals</td> 621*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/p0061.html">P0061R1</a></td> 622*67e74705SXin Li <td class="full" align="center">Yes</td> 623*67e74705SXin Li </tr> 624*67e74705SXin Li <tr> 625*67e74705SXin Li <td>New specification for inheriting constructors (<a href="cxx_dr_status.html#1941">DR1941</a> et al)</td> 626*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/p0136r1.html">P0136R1</a></td> 627*67e74705SXin Li <td class="svn" align="center">SVN <a href="#p0136">(9)</a></td> 628*67e74705SXin Li </tr> 629*67e74705SXin Li <!-- Jacksonville papers --> 630*67e74705SXin Li <tr> 631*67e74705SXin Li <td><tt>[[fallthrough]]</tt> attribute</td> 632*67e74705SXin Li <td><a href="http://wg21.link/p0188r1">P0188R1</a></td> 633*67e74705SXin Li <td class="svn" align="center">SVN</td> 634*67e74705SXin Li </tr> 635*67e74705SXin Li <tr> 636*67e74705SXin Li <td><tt>[[nodiscard]]</tt> attribute</td> 637*67e74705SXin Li <td><a href="http://wg21.link/p0189r1">P0189R1</a></td> 638*67e74705SXin Li <td class="svn" align="center">SVN</td> 639*67e74705SXin Li </tr> 640*67e74705SXin Li <tr> 641*67e74705SXin Li <td><tt>[[maybe_unused]]</tt> attribute</td> 642*67e74705SXin Li <td><a href="http://wg21.link/p0212r1">P0212R1</a></td> 643*67e74705SXin Li <td class="svn" align="center">SVN</td> 644*67e74705SXin Li </tr> 645*67e74705SXin Li <tr> 646*67e74705SXin Li <td>Aggregate initialization of classes with base classes</td> 647*67e74705SXin Li <td><a href="http://wg21.link/p0017r1">P0017R1</a></td> 648*67e74705SXin Li <td class="svn" align="center">SVN</td> 649*67e74705SXin Li </tr> 650*67e74705SXin Li <tr> 651*67e74705SXin Li <td><tt>constexpr</tt> lambda expressions</td> 652*67e74705SXin Li <td><a href="http://wg21.link/p0170r1">P0170R1</a></td> 653*67e74705SXin Li <td class="none" align="center">No</td> 654*67e74705SXin Li </tr> 655*67e74705SXin Li <tr> 656*67e74705SXin Li <td>Differing <tt>begin</tt> and <tt>end</tt> types in range-based <tt>for</tt></td> 657*67e74705SXin Li <td><a href="http://wg21.link/p0184r0">P0184R0</a></td> 658*67e74705SXin Li <td class="svn" align="center">SVN</td> 659*67e74705SXin Li </tr> 660*67e74705SXin Li <tr> 661*67e74705SXin Li <td>Lambda capture of <tt>*this</tt></td> 662*67e74705SXin Li <td><a href="http://wg21.link/p0018r3">P0018R3</a></td> 663*67e74705SXin Li <td class="svn" align="center">SVN</td> 664*67e74705SXin Li </tr> 665*67e74705SXin Li <tr> 666*67e74705SXin Li <td>Direct-list-initialization of <tt>enum</tt>s</td> 667*67e74705SXin Li <td><a href="http://wg21.link/p0138r2">P0138R2</a></td> 668*67e74705SXin Li <td class="svn" align="center">SVN</td> 669*67e74705SXin Li </tr> 670*67e74705SXin Li <tr> 671*67e74705SXin Li <td>Hexadecimal floating-point literals</td> 672*67e74705SXin Li <td><a href="http://wg21.link/p0245r1">P0245R1</a></td> 673*67e74705SXin Li <td class="full" align="center">Yes</td> 674*67e74705SXin Li </tr> 675*67e74705SXin Li <!-- Oulu papers --> 676*67e74705SXin Li <tr> 677*67e74705SXin Li <td>Using attribute namespaces without repetition</td> 678*67e74705SXin Li <td><a href="http://wg21.link/p0028r4">P0028R4</a></td> 679*67e74705SXin Li <td class="svn" align="center">SVN</td> 680*67e74705SXin Li </tr> 681*67e74705SXin Li <tr> 682*67e74705SXin Li <td>Dynamic memory allocation for over-aligned data</td> 683*67e74705SXin Li <td><a href="http://wg21.link/p0035r4">P0035R4</a></td> 684*67e74705SXin Li <td class="none" align="center">No</td> 685*67e74705SXin Li </tr> 686*67e74705SXin Li <tr> 687*67e74705SXin Li <td>Template argument deduction for class templates</td> 688*67e74705SXin Li <td><a href="http://wg21.link/p0091r3">P0091R3</a></td> 689*67e74705SXin Li <td class="none" align="center">No</td> 690*67e74705SXin Li </tr> 691*67e74705SXin Li <tr> 692*67e74705SXin Li <td>Non-type template parameters with <tt>auto</tt> type</td> 693*67e74705SXin Li <td><a href="http://wg21.link/p0127r2">P0127R2</a></td> 694*67e74705SXin Li <td class="none" align="center">No</td> 695*67e74705SXin Li </tr> 696*67e74705SXin Li <tr> 697*67e74705SXin Li <td>Guaranteed copy elision</td> 698*67e74705SXin Li <td><a href="http://wg21.link/p0135r1">P0135R1</a></td> 699*67e74705SXin Li <td class="none" align="center">No</td> 700*67e74705SXin Li </tr> 701*67e74705SXin Li <tr> 702*67e74705SXin Li <td rowspan=2>Stricter expression evaluation order</td> 703*67e74705SXin Li <td><a href="http://wg21.link/p0145r3">P0145R3</a></td> 704*67e74705SXin Li <td class="none" align="center" rowspan=2>No</td> 705*67e74705SXin Li </tr> 706*67e74705SXin Li <tr> 707*67e74705SXin Li <td><a href="http://wg21.link/p0400r0">P0400R0</a></td> 708*67e74705SXin Li </tr> 709*67e74705SXin Li <tr> 710*67e74705SXin Li <td>Requirement to ignore unknown attributes</td> 711*67e74705SXin Li <td><a href="http://wg21.link/p0283r2">P0283R2</a></td> 712*67e74705SXin Li <td class="full" align="center">Yes</td> 713*67e74705SXin Li </tr> 714*67e74705SXin Li <tr> 715*67e74705SXin Li <td><tt>constexpr</tt> <em>if-statement</em>s</td> 716*67e74705SXin Li <td><a href="http://wg21.link/p0292r2">P0292R2</a></td> 717*67e74705SXin Li <td class="svn" align="center">SVN</td> 718*67e74705SXin Li </tr> 719*67e74705SXin Li <tr> 720*67e74705SXin Li <td>Inline variables</td> 721*67e74705SXin Li <td><a href="http://wg21.link/p0386r2">P0386R2</a></td> 722*67e74705SXin Li <td class="svn" align="center">SVN</td> 723*67e74705SXin Li </tr> 724*67e74705SXin Li <tr> 725*67e74705SXin Li <td>Structured bindings</td> 726*67e74705SXin Li <td><a href="http://wg21.link/p0217r3">P0217R3</a></td> 727*67e74705SXin Li <td class="none" align="center">No</td> 728*67e74705SXin Li </tr> 729*67e74705SXin Li <tr> 730*67e74705SXin Li <td>Separate variable and condition for <tt>if</tt> and <tt>switch</tt></td> 731*67e74705SXin Li <td><a href="http://wg21.link/p0305r1">P0305R1</a></td> 732*67e74705SXin Li <td class="svn" align="center">SVN</td> 733*67e74705SXin Li </tr> 734*67e74705SXin Li</table> 735*67e74705SXin Li 736*67e74705SXin Li<p> 737*67e74705SXin Li<span id="n3922">(8): This is a backwards-incompatible change that is applied to 738*67e74705SXin Liall language versions that allow type deduction from <tt>auto</tt> 739*67e74705SXin Li(per the request of the C++ committee). 740*67e74705SXin LiIn Clang 3.7, a warning is emitted for all cases that would change meaning. 741*67e74705SXin Li</span><br> 742*67e74705SXin Li<span id="p0136">(9): This is the resolution to a Defect Report, so is applied 743*67e74705SXin Lito all language versions supporting inheriting constructors. 744*67e74705SXin Li</span> 745*67e74705SXin Li</p> 746*67e74705SXin Li 747*67e74705SXin Li<h2 id="ts">Technical specifications and standing documents</h2> 748*67e74705SXin Li 749*67e74705SXin Li<p>ISO C++ also publishes a number of documents describing additional language 750*67e74705SXin Liand library features that are not part of standard C++. The following table 751*67e74705SXin Lidescribes which language features have been implemented in Clang and in which 752*67e74705SXin LiClang version they became available:</p> 753*67e74705SXin Li 754*67e74705SXin Li<table width="689" border="1" cellspacing="0"> 755*67e74705SXin Li <tr> 756*67e74705SXin Li <th>Document</th> 757*67e74705SXin Li <th>Latest draft</th> 758*67e74705SXin Li <th>Available in Clang?</th> 759*67e74705SXin Li </tr> 760*67e74705SXin Li <tr> 761*67e74705SXin Li <td rowspan="2">SD-6: SG10 feature test recommendations</td> 762*67e74705SXin Li <td rowspan="2"><a href="http://isocpp.org/std/standing-documents/sd-6-sg10-feature-test-recommendations">SD-6</a></td> 763*67e74705SXin Li <td class="full" align="center"> 764*67e74705SXin Li Clang 3.4 (<a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3745">N3745</a>)</br> 765*67e74705SXin Li </td> 766*67e74705SXin Li </tr> 767*67e74705SXin Li <tr> 768*67e74705SXin Li <td class="full" align="center"> 769*67e74705SXin Li Clang 3.6 (<a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4200">N4200</a>)</a> 770*67e74705SXin Li </td> 771*67e74705SXin Li </tr> 772*67e74705SXin Li <!-- FIXME: Implement latest recommendations. 773*67e74705SXin Li <tr> 774*67e74705SXin Li <td class="svn" align="center"> 775*67e74705SXin Li SVN (<a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/p0096r0">P0096R0</a>)</a> 776*67e74705SXin Li </td> 777*67e74705SXin Li </tr> 778*67e74705SXin Li --> 779*67e74705SXin Li <!-- No compiler support is known to be needed for: 780*67e74705SXin Li * Concurrency TS 781*67e74705SXin Li * Parallelism TS 782*67e74705SXin Li * Ranges TS 783*67e74705SXin Li * Networking TS 784*67e74705SXin Li * File System TS 785*67e74705SXin Li --> 786*67e74705SXin Li <tr> 787*67e74705SXin Li <td>[TS] Concepts</td> 788*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/p0121r0.pdf">P0121R0</a></td> 789*67e74705SXin Li <td class="none" align="center">No</td> 790*67e74705SXin Li </tr> 791*67e74705SXin Li <tr> 792*67e74705SXin Li <td>[TS] Library Fundamentals, Version 1 (invocation type traits)</td> 793*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4480.html">N4480</a></td> 794*67e74705SXin Li <td class="none" align="center">No</td> 795*67e74705SXin Li </tr> 796*67e74705SXin Li <tr> 797*67e74705SXin Li <td>[DRAFT TS] Library Fundamentals, Version 2 (<tt>source_location</tt>)</td> 798*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4529.html">N4529</a></td> 799*67e74705SXin Li <td class="none" align="center">No</td> 800*67e74705SXin Li </tr> 801*67e74705SXin Li <tr> 802*67e74705SXin Li <td>[TS] Modules</td> 803*67e74705SXin Li <td><a href="http://wg21.link/p0143r2">P0143R2</a></td> 804*67e74705SXin Li <td class="none" align="center">No</td> 805*67e74705SXin Li </tr> 806*67e74705SXin Li <tr> 807*67e74705SXin Li <td>[TS] Transactional Memory</td> 808*67e74705SXin Li <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4514.pdf">N4514</a></td> 809*67e74705SXin Li <td class="none" align="center">No</td> 810*67e74705SXin Li </tr> 811*67e74705SXin Li</table> 812*67e74705SXin Li 813*67e74705SXin Li</div> 814*67e74705SXin Li</body> 815*67e74705SXin Li</html> 816