1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" 2 "http://www.w3.org/TR/html4/strict.dtd"> 3<!-- Material used from: HTML 4.01 specs: http://www.w3.org/TR/html401/ --> 4<html> 5<head> 6 <meta http-equiv="content-type" content="text/html; charset=utf-8"> 7 <title>libc++ Upcoming Meeting Status</title> 8 <link type="text/css" rel="stylesheet" href="menu.css"> 9 <link type="text/css" rel="stylesheet" href="content.css"> 10</head> 11 12<body> 13<div id="menu"> 14 <div> 15 <a href="https://llvm.org/">LLVM Home</a> 16 </div> 17 18 <div class="submenu"> 19 <label>libc++ Info</label> 20 <a href="/index.html">About</a> 21 </div> 22 23 <div class="submenu"> 24 <label>Quick Links</label> 25 <a href="https://lists.llvm.org/mailman/listinfo/cfe-dev">cfe-dev</a> 26 <a href="https://lists.llvm.org/mailman/listinfo/cfe-commits">cfe-commits</a> 27 <a href="https://bugs.llvm.org/">Bug Reports</a> 28 <a href="https://llvm.org/svn/llvm-project/libcxx/trunk/">Browse SVN</a> 29 <a href="https://llvm.org/viewvc/llvm-project/libcxx/trunk/">Browse ViewVC</a> 30 </div> 31</div> 32 33<div id="content"> 34 <!--*********************************************************************--> 35 <h1>libc++ Upcoming Meeting Status</h1> 36 <!--*********************************************************************--> 37 38 <p>This is a temporary page; please check the c++2a status <a href="cxx2a_status.html">here</a></p> 39 <p>This page shows the status of the papers and issues that are expected to be adopted in the next WG21 Meeting.</p> 40 41 <p>The groups that have contributed papers: 42 <ul> 43 <li>LWG - Library working group</li> 44 <li>CWG - Core Language Working group</li> 45 <li>SG1 - Study group #1 (Concurrency working group)</li> 46 </ul> 47 </p> 48 49 <h3>Paper Status</h3> 50 <table border="1"> 51 <tr><th>Paper #</th><th>Group</th><th>Paper Name</th><th>Meeting</th><th>Status</th></tr> 52 <tr><td><a href="https://wg21.link/P0487R0">P0487R0</a></td><td>LWG</td><td>Fixing operator>> (basic_istream&, CharT*) (LWG 2499)</td><td>San Diego</td><td><i> </i></td></tr> 53 <tr><td><a href="https://wg21.link/P0602R3">P0602R3</a></td><td>LWG</td><td>variant and optional should propagate copy/move triviality</td><td>San Diego</td><td><i> </i></td></tr> 54 <tr><td><a href="https://wg21.link/P0655R0">P0655R0</a></td><td>LWG</td><td>visit<R>: Explicit Return Type for visit</td><td>San Diego</td><td><i> </i></td></tr> 55 <tr><td><a href="https://wg21.link/P0972R0">P0972R0</a></td><td>LWG</td><td><chrono> zero(), min(), and max() should be noexcept</td><td>San Diego</td><td>See <a href="https://reviews.llvm.org/D53828">D53828</a></td></tr> 56 <tr><td><a href="https://wg21.link/P1004R0">P1004R0</a></td><td>LWG</td><td>Making std::vector constexpr</td><td>San Diego</td><td><i> </i></td></tr> 57 <tr><td><a href="https://wg21.link/P1006R0">P1006R0</a></td><td>LWG</td><td>Constexpr in std::pointer_traits</td><td>San Diego</td><td>See <a href="https://reviews.llvm.org/D53867">D53867</a></td></tr> 58 <tr><td><a href="https://wg21.link/P1032R0">P1032R0</a></td><td>LWG</td><td>Misc constexpr bits</td><td>San Diego</td><td><i> </i></td></tr> 59 <tr><td><a href="http://wiki.edg.com/pub/LWGBatavia2018/LibraryWorkingGroup/D1148R0a.pdf">D1148</a></td><td>LWG</td><td>Cleaning up Clause 20</td><td>San Diego</td><td><i> </i></td></tr> 60 <tr><td><a href="http://wiki.edg.com/pub/LWGBatavia2018/LibraryWorkingGroup/D1163R0V2.pdf">D1163</a></td><td>LWG</td><td>Explicitly Implicifying explicit Constructors</td><td>San Diego</td><td><i> </i></td></tr> 61 </table> 62 63 64 <h3>Library Working group Issues Status</h3> 65 <table id="issues" border="1"> 66 <tr><th>Issue #</th><th>Issue Name</th><th>Meeting</th><th>Status</th></tr> 67 68<tr><td><a href="https://wg21.link/LWG2183">2183</a></td><td>Muddled allocator requirements for <tt>match_results</tt> constructors</td><td>San Diego</td><td>Complete</td></tr> 69<tr><td><a href="https://wg21.link/LWG2184">2184</a></td><td>Muddled allocator requirements for <tt>match_results</tt> assignments</td><td>San Diego</td><td></td></tr> 70<tr><td><a href="https://wg21.link/LWG2412">2412</a></td><td><tt>promise::set_value()</tt> and <tt>promise::get_future()</tt> should not race</td><td>San Diego</td><td></td></tr> 71<tr><td><a href="https://wg21.link/LWG2682">2682</a></td><td><code>filesystem::copy()</code> won't create a symlink to a directory</td><td>San Diego</td><td></td></tr> 72<tr><td><a href="https://wg21.link/LWG2697">2697</a></td><td>[concurr.ts] Behavior of <tt>future/shared_future</tt> unwrapping constructor when given an invalid <tt>future</tt></td><td>San Diego</td><td></td></tr> 73<tr><td><a href="https://wg21.link/LWG2936">2936</a></td><td>Path comparison is defined in terms of the generic format</td><td>San Diego</td><td></td></tr> 74<tr><td><a href="https://wg21.link/LWG2943">2943</a></td><td>Problematic specification of the wide version of <tt>basic_filebuf::open</tt></td><td>San Diego</td><td></td></tr> 75<tr><td><a href="https://wg21.link/LWG2960">2960</a></td><td>[fund.ts.v3] <tt>nonesuch</tt> is insufficiently useless</td><td>San Diego</td><td></td></tr> 76<tr><td><a href="https://wg21.link/LWG2995">2995</a></td><td><tt>basic_stringbuf</tt> default constructor forbids it from using SSO capacity</td><td>San Diego</td><td><i>We know how to do this</i></td></tr> 77<tr><td><a href="https://wg21.link/LWG2996">2996</a></td><td>Missing rvalue overloads for <tt>shared_ptr</tt> operations</td><td>San Diego</td><td></td></tr> 78<tr><td><a href="https://wg21.link/LWG3008">3008</a></td><td><tt>make_shared</tt> (sub)object destruction semantics are not specified</td><td>San Diego</td><td></td></tr> 79<tr><td><a href="https://wg21.link/LWG3025">3025</a></td><td>Map-like container deduction guides should use <tt>pair<Key, T></tt>, not <tt>pair<const Key, T></tt></td><td>San Diego</td><td></td></tr> 80<tr><td><a href="https://wg21.link/LWG3031">3031</a></td><td>Algorithms and predicates with non-const reference arguments</td><td>San Diego</td><td></td></tr> 81<tr><td><a href="https://wg21.link/LWG3037">3037</a></td><td><tt>polymorphic_allocator</tt> and incomplete types</td><td>San Diego</td><td></td></tr> 82<tr><td><a href="https://wg21.link/LWG3038">3038</a></td><td><tt>polymorphic_allocator::allocate</tt> should not allow integer overflow to create vulnerabilities</td><td>San Diego</td><td></td></tr> 83<tr><td><a href="https://wg21.link/LWG3054">3054</a></td><td><tt>uninitialized_copy</tt> appears to not be able to meet its exception-safety guarantee</td><td>San Diego</td><td></td></tr> 84<tr><td><a href="https://wg21.link/LWG3065">3065</a></td><td>LWG 2989 missed that all <tt>path</tt>'s other operators should be hidden friends as well</td><td>San Diego</td><td></td></tr> 85<tr><td><a href="https://wg21.link/LWG3096">3096</a></td><td><tt>path::lexically_relative</tt> is confused by trailing slashes</td><td>San Diego</td><td></td></tr> 86<tr><td><a href="https://wg21.link/LWG3116">3116</a></td><td><tt><i>OUTERMOST_ALLOC_TRAITS</i></tt> needs <tt>remove_reference_t</tt></td><td>San Diego</td><td></td></tr> 87<tr><td><a href="https://wg21.link/LWG3122">3122</a></td><td><tt>__cpp_lib_chrono_udls</tt> was accidentally dropped</td><td>San Diego</td><td></td></tr> 88<tr><td><a href="https://wg21.link/LWG3127">3127</a></td><td><tt>basic_osyncstream::rdbuf</tt> needs a <tt>const_cast</tt></td><td>San Diego</td><td></td></tr> 89<tr><td><a href="https://wg21.link/LWG3128">3128</a></td><td><tt>strstream::rdbuf</tt> needs a <tt>const_cast</tt></td><td>San Diego</td><td></td></tr> 90<tr><td><a href="https://wg21.link/LWG3129">3129</a></td><td><tt>regex_token_iterator</tt> constructor uses wrong pointer arithmetic</td><td>San Diego</td><td></td></tr> 91<tr><td><a href="https://wg21.link/LWG3130">3130</a></td><td>§[input.output] needs many <tt>addressof</tt></td><td>San Diego</td><td></td></tr> 92<tr><td><a href="https://wg21.link/LWG3131">3131</a></td><td><tt>addressof</tt> all the things</td><td>San Diego</td><td></td></tr> 93<tr><td><a href="https://wg21.link/LWG3132">3132</a></td><td>Library needs to ban macros named <tt>expects</tt> or <tt>ensures</tt></td><td>San Diego</td><td></td></tr> 94<tr><td><a href="https://wg21.link/LWG3134">3134</a></td><td>[fund.ts.v3] LFTSv3 contains extraneous [meta] variable templates that should have been deleted by P09961</td><td>San Diego</td><td></td></tr> 95<tr><td><a href="https://wg21.link/LWG3137">3137</a></td><td>Header for <tt>__cpp_lib_to_chars</tt></td><td>San Diego</td><td></td></tr> 96<tr><td><a href="https://wg21.link/LWG3145">3145</a></td><td><tt>file_clock</tt> breaks ABI for C++17 implementations</td><td>San Diego</td><td></td></tr> 97<tr><td><a href="https://wg21.link/LWG3147">3147</a></td><td>Definitions of "likely" and "unlikely" are likely to cause problems</td><td>San Diego</td><td></td></tr> 98<tr><td><a href="https://wg21.link/LWG3148">3148</a></td><td><tt><concepts></tt> should be freestanding</td><td>San Diego</td><td></td></tr> 99<tr><td><a href="https://wg21.link/LWG3153">3153</a></td><td><tt>Common</tt> and <tt>common_type</tt> have too little in common</td><td>San Diego</td><td></td></tr> 100<tr><td><a href="https://wg21.link/LWG3154">3154</a></td><td><tt>Common</tt> and <tt>CommonReference</tt> have a common defect</td><td>San Diego</td><td></td></tr> 101 102</table> 103 104<h3>Issues to "Review"</h3> 105<table border="1"> 106<tr><th>Issue #</th><th>Issue Name</th><th>Meeting</th><th>Status</th></tr> 107</table> 108 109 110<h3>Comments about the issues</h3> 111<ul> 112<li>2183 - We're missing tests for match_results (copy ctor, move ctor). I committed them in r344988.</li> 113<li>2184 - We're missing tests for match_results (copy assign, move assing). I wrote them. Unfortunately, the move-assign test fails.</li> 114<li>2412 - </li> 115<li>2682 - Eric? </li> 116<li>2697 - </li> 117<li>2936 - </li> 118<li>2943 - Eric? I suspect that this is no change for us.</li> 119<li>2960 - </li> 120<li>2995 - We used to do this. Reverting r320604 and r321124 will get us back there.</li> 121<li>2996 - </li> 122<li>3008 - </li> 123<li>3025 - </li> 124<li>3031 - Marshall says: I don't think we have to do anything for this issue. Maybe some tests; maybe a static_assert.</li> 125<li>3037 - Marshall says: We don't have std::polymorphic_allocator yet.</li> 126<li>3038 - Marshall says: We don't have std::polymorphic_allocator yet.</li> 127<li>3054 - Marshall says: We already do this; may need to update some tests.</li> 128<li>3065 - </li> 129<li>3096 - Eric? </li> 130<li>3116 - </li> 131<li>3122 - Marshall says I have updated the comments in <version> and in the tests.</li> 132<li>3127 - Marshall says: We don't have basic_osyncstream yet.</li> 133<li>3128 - </li> 134<li>3129 - Marshall says: This is an easy change; I think this is more wording cleanup than anything. I will prepare a patch</li> 135<li>3130 - </li> 136<li>3131 - Only changes 11 & 12 affect libc++. </li> 137<li>3132 - Marshall says: I don't think we have to do anything for this issue</li> 138<li>3134 - Marshall says: I don't think we have to do anything for this issue</li> 139<li>3137 - Marshall says I have updated the comments in <version> and in the tests.</li> 140<li>3145 - Eric? </li> 141<li>3147 - Marshall - I don't think we have to do anything for this issue</li> 142<li>3148 - </li> 143<li>3153 - </li> 144<li>3154 - </li> 145</ul> 146 147<p>Last Updated: 29-Oct-2018</p> 148</div> 149</body> 150</html> 151