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=ISO-8859-1"> 7 <title>libc++ C++1Z 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="http://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="http://lists.llvm.org/mailman/listinfo/cfe-dev">cfe-dev</a> 26 <a href="http://lists.llvm.org/mailman/listinfo/cfe-commits">cfe-commits</a> 27 <a href="http://llvm.org/bugs/">Bug Reports</a> 28 <a href="http://llvm.org/svn/llvm-project/libcxx/trunk/">Browse SVN</a> 29 <a href="http://llvm.org/viewvc/llvm-project/libcxx/trunk/">Browse ViewVC</a> 30 </div> 31 </div> 32 33 <div id="content"> 34 <!--*********************************************************************--> 35 <h1>libc++ C++1z Status</h1> 36 <!--*********************************************************************--> 37 38 <p>In November 2014, the C++ standard committee created a draft for the next version of the C++ standard, known here as "C++1z" (probably to be C++17)</p> 39 <p>This page shows the status of libc++; the status of clang's support of the language features is <a href="http://clang.llvm.org/cxx_status.html#cxx17">here</a>.</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 id="papers" border="1"> 51 <tr><th>Paper #</th><th>Group</th><th>Paper Name</th><th>Meeting</th><th>Status</th><th>First released version</th></tr> 52 <!-- 53 <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2012/n3346.pdf">3346</a></td><td>LWG</td><td>Terminology for Container Element Requirements - Rev 1</td><td>Kona</td><td>Complete</td><td>3.4</td></tr> 54 --> 55 <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n3911">N3911</a></td><td>LWG</td></td><td>TransformationTrait Alias <code>void_t</code>.</td><td>Urbana</td><td>Complete</td><td>3.6</td></tr> 56 <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4089">N4089</a></td><td>LWG</td></td><td>Safe conversions in <code>unique_ptr<T[]></code>.</td><td>Urbana</td><td>In progress</td><td>3.9</td></tr> 57 <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4169">N4169</a></td><td>LWG</td></td><td>A proposal to add invoke function template</td><td>Urbana</td><td>Complete</td><td>3.7</td></tr> 58 <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4190">N4190</a></td></td><td>LWG</td><td>Removing auto_ptr, random_shuffle(), And Old <functional> Stuff.</td><td>Urbana</td><td></td><td></td></tr> 59 <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4258">N4258</a></td><td>LWG</td></td><td>Cleaning-up noexcept in the Library.</td><td>Urbana</td><td>In progress</td><td>3.7</td></tr> 60 <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4259">N4259</a></td><td>CWG</td></td><td>Wording for std::uncaught_exceptions</td><td>Urbana</td><td>Complete</td><td>3.7</td></tr> 61 <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4277">N4277</a></td><td>LWG</td></td><td>TriviallyCopyable <code>reference_wrapper</code>.</td><td>Urbana</td><td>Complete</td><td>3.2</td></tr> 62 <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4279">N4279</a></td><td>LWG</td></td><td>Improved insertion interface for unique-key maps.</td><td>Urbana</td><td>Complete</td><td>3.7</td></tr> 63 <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4280">N4280</a></td><td>LWG</td></td><td>Non-member size() and more</td><td>Urbana</td><td>Complete</td><td>3.6</td></tr> 64 <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4284">N4284</a></td><td>LWG</td></td><td>Contiguous Iterators.</td><td>Urbana</td><td>Complete</td><td>3.6</td></tr> 65 <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4285">N4285</a></td><td>CWG</td></td><td>Cleanup for exception-specification and throw-expression.</td><td>Urbana</td><td></td><td></td></tr> 66 <tr><td></td><td></td><td></td><td></td><td></td><td></td></tr> 67 <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4387">N4387</a></td><td>LWG</td></td><td>improving pair and tuple</td><td>Lenexa</td><td></td><td></td></tr> 68 <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4389">N4389</a></td><td>LWG</td></td><td>bool_constant</td><td>Lenexa</td><td>Complete</td><td>3.7</td></tr> 69 <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4508">N4508</a></td><td>LWG</td></td><td>shared_mutex for C++17</td><td>Lenexa</td><td>Complete</td><td>3.7</td></tr> 70 <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4366">N4366</a></td><td>LWG</td></td><td>LWG 2228 missing SFINAE rule</td><td>Lenexa</td><td>Complete</td><td>3.1</td></tr> 71 <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4510">N4510</a></td><td>LWG</td></td><td>Minimal incomplete type support for standard containers, revision 4</td><td>Lenexa</td><td>Complete</td><td>3.6</td></tr> 72 <tr><td></td><td></td><td></td><td></td><td></td><td></td></tr> 73 <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/P0004R1.html">P0004R1</a></td><td>LWG</td><td>Remove Deprecated iostreams aliases.</td><td>Kona</td><td>Complete</td><td>3.8</td></tr> 74 <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/P0006R0.html">P0006R0</a></td><td>LWG</td><td>Adopt Type Traits Variable Templates for C++17.</td><td>Kona</td><td>Complete</td><td>3.8</td></tr> 75 <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/P0092R1.html">P0092R1</a></td><td>LWG</td><td>Polishing <chrono></td><td>Kona</td><td>Complete</td><td>3.8</td></tr> 76 <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/P0007R1.html">P0007R1</a></td><td>LWG</td><td>Constant View: A proposal for a <tt>std::as_const</tt> helper function template.</td><td>Kona</td><td>Complete</td><td>3.8</td></tr> 77 <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/P0156R0.htm" >P0156R0</a></td><td>LWG</td><td>Variadic lock_guard(rev 3).</td><td>Kona</td><td></td><td></td></tr> 78 <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/P0074R0.html">P0074R0</a></td><td>LWG</td><td>Making <tt>std::owner_less</tt> more flexible</td><td>Kona</td><td>Complete</td><td>3.8</td></tr> 79 <tr><td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/P0013R1.html">P0013R1</a></td><td>LWG</td><td>Logical type traits rev 2</td><td>Kona</td><td>Complete</td><td>3.8</td></tr> 80 <tr><td></td><td></td><td></td><td></td><td></td><td></td></tr> 81 <tr><td><a href="http://wg21.link/P0024R2">P0024R2</a></td><td>LWG</td><td>The Parallelism TS Should be Standardized</td><td>Jacksonville</td><td></td><td></td></tr> 82 <tr><td><a href="http://wg21.link/P0226R1">P0226R1</a></td><td>LWG</td><td>Mathematical Special Functions for C++17</td><td>Jacksonville</td><td></td><td></td></tr> 83 <tr><td><a href="http://wg21.link/P0220R1">P0220R1</a></td><td>LWG</td><td>Adopt Library Fundamentals V1 TS Components for C++17</td><td>Jacksonville</td><td></td><td></td></tr> 84 <tr><td><a href="http://wg21.link/P0218R1">P0218R1</a></td><td>LWG</td><td>Adopt the File System TS for C++17</td><td>Jacksonville</td><td></td><td></td></tr> 85 <tr><td><a href="http://wg21.link/P0033R1">P0033R1</a></td><td>LWG</td><td>Re-enabling shared_from_this</td><td>Jacksonville</td><td></td><td></td></tr> 86 <tr><td><a href="http://wg21.link/P0005R4">P0005R4</a></td><td>LWG</td><td>Adopt not_fn from Library Fundamentals 2 for C++17</td><td>Jacksonville</td><td></td><td></td></tr> 87 <tr><td><a href="http://wg21.link/P0152R1">P0152R1</a></td><td>LWG</td><td>constexpr atomic::is_always_lock_free</td><td>Jacksonville</td><td>Complete</td><td>3.9</td></tr> 88 <tr><td><a href="http://wg21.link/P0185R1">P0185R1</a></td><td>LWG</td><td>Adding [nothrow-]swappable traits</td><td>Jacksonville</td><td>Complete</td><td>3.9</td></tr> 89 <tr><td><a href="http://wg21.link/P0253R1">P0253R1</a></td><td>LWG</td><td>Fixing a design mistake in the searchers interface</td><td>Jacksonville</td><td>Complete</td><td>3.9</td></tr> 90 <tr><td><a href="http://wg21.link/P0025R0">P0025R0</a></td><td>LWG</td><td>An algorithm to "clamp" a value between a pair of boundary values</td><td>Jacksonville</td><td>Complete</td><td>3.9</td></tr> 91 <tr><td><a href="http://wg21.link/P0154R1">P0154R1</a></td><td>LWG</td><td>constexpr std::hardware_{constructive,destructive}_interference_size</td><td>Jacksonville</td><td></td><td></td></tr> 92 <tr><td><a href="http://wg21.link/P0030R1">P0030R1</a></td><td>LWG</td><td>Proposal to Introduce a 3-Argument Overload to std::hypot</td><td>Jacksonville</td><td>Complete</td><td>3.9</td></tr> 93 <tr><td><a href="http://wg21.link/P0031R0">P0031R0</a></td><td>LWG</td><td>A Proposal to Add Constexpr Modifiers to reverse_iterator, move_iterator, array and Range Access</td><td>Jacksonville</td><td></td><td></td></tr> 94 <tr><td><a href="http://wg21.link/P0272R1">P0272R1</a></td><td>LWG</td><td>Give <tt>std::string</tt> a non-const <tt>.data()</tt> member function</td><td>Jacksonville</td><td>Complete</td><td>3.9</td></tr> 95 <tr><td><a href="http://wg21.link/P0077R2">P0077R2</a></td><td>LWG</td><td><tt>is_callable</tt>, the missing INVOKE related trait</td><td>Jacksonville</td><td>Complete</td><td>3.9</td></tr> 96 <!-- <tr><td></td><td></td><td></td><td></td><td></td><td></td></tr> --> 97 </table> 98 99 <h3>Library Working group Issues Status</h3> 100 <!-- <I>Note: "NAD" means that the issue was deemed "Not a defect"</I> --> 101 <table id="issues" border="1"> 102 <tr><th>Issue #</th><th>Issue Name</th><th>Meeting</th><th>Status</th></tr> 103 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2016">2016</a></td><td>Allocators must be no-throw swappable</td><td>Urbana</td><td>Complete</td></tr> 104 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2376">2118</td><td><code>unique_ptr</code> for array does not support cv qualification conversion of actual argument</td><td>Urbana</td><td>Complete</td></tr> 105 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2170">2170</a></td><td>Aggregates cannot be <code>DefaultConstructible</code></td><td>Urbana</td><td>Complete</td></tr> 106 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2308">2308</td><td>Clarify container destructor requirements w.r.t. <code>std::array</code></td><td>Urbana</td><td>Complete</td></tr> 107 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2340">2340</a></td><td>Replacement allocation functions declared as inline</td><td>Urbana</td><td>Complete</td></tr> 108 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2354">2354</a></td><td>Unnecessary copying when inserting into maps with braced-init syntax</td><td>Urbana</td><td>Complete</td></tr> 109 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2377">2377</a></td><td><code>std::align</code> requirements overly strict</td><td>Urbana</td><td>Complete</td></tr> 110 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2396">2396</a></td><td><code>underlying_type</code> doesn't say what to do for an incomplete enumeration type</td><td>Urbana</td><td>Complete</td></tr> 111 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2399">2399</a></td><td><code>shared_ptr</code>'s constructor from <code>unique_ptr</code> should be constrained</td><td>Urbana</td><td>Complete</td></tr> 112 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2400">2400</a></td><td><code>shared_ptr</code>'s <code>get_deleter()</code> should use <code>addressof()</code></td><td>Urbana</td><td>Complete</td></tr> 113 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2401">2401</a></td><td><code>std::function</code> needs more noexcept</td><td>Urbana</td><td>Complete</td></tr> 114 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2404">2404</a></td><td><code>mismatch()</code>'s complexity needs to be updated</td><td>Urbana</td><td>Complete</td></tr> 115 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2408">2408</a></td><td>SFINAE-friendly <code>common_type</code> / <code>iterator_traits</code> is missing in C++14</td><td>Urbana</td><td><code>common_type</code> is waiting on <a href="http://cplusplus.github.io/LWG/lwg-defects.html#2465">LWG#2465</a></td></tr> 116 <tr><td></td><td></td><td></td><td></td></tr> 117 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2106">2106</td><td><code>move_iterator</code> wrapping iterators returning prvalues</td><td>Urbana</td><td>Complete</td></tr> 118 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2129">2129</td><td>User specializations of <code>std::initializer_list</code></td><td>Urbana</td><td>Complete</td></tr> 119 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2212">2212</td><td><code>tuple_size</code> for <code>const pair</code> request <tuple> header</td><td>Urbana</td><td>Complete</td></tr> 120 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2217">2217</td><td><code>operator==(sub_match, string)</code> slices on embedded '\0's</td><td>Urbana</td><td>Complete</td></tr> 121 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2230">2230</td><td>"see below" for <code>initializer_list</code> constructors of unordered containers</td><td>Urbana</td><td>Complete</td></tr> 122 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2233">2233</td><td><code>bad_function_call::what()</code> unhelpful</td><td>Urbana</td><td>Complete</td></tr> 123 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2266">2266</td><td><code>vector</code> and <code>deque</code> have incorrect insert requirements</td><td>Urbana</td><td>Complete</td></tr> 124 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2325">2325</td><td><code>minmax_element()</code>'s behavior differing from <code>max_element()</code>'s should be noted</td><td>Urbana</td><td>Complete</td></tr> 125 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2361">2361</td><td>Apply 2299 resolution throughout library</td><td>Urbana</td><td>Complete</td></tr> 126 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2365">2365</td><td>Missing noexcept in <code>shared_ptr::shared_ptr(nullptr_t)</code></td><td>Urbana</td><td>Complete</td></tr> 127 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2376">2376</td><td><code>bad_weak_ptr::what()</code> overspecified</td><td>Urbana</td><td>Complete</td></tr> 128 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2387">2387</td><td>More nested types that must be accessible and unambiguous</td><td>Urbana</td><td>Complete</td></tr> 129 <tr><td></td><td></td><td></td><td></td></tr> 130 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2059">2059</td><td>C++0x ambiguity problem with map::erase</td><td>Lenexa</td><td>Complete</td></tr> 131 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2063">2063</td><td>Contradictory requirements for string move assignment</td><td>Lenexa</td><td>Complete</td></tr> 132 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2076">2076</td><td>Bad CopyConstructible requirement in set constructors</td><td>Lenexa</td><td>Complete</td></tr> 133 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2160">2160</td><td>Unintended destruction ordering-specification of resize</td><td>Lenexa</td><td>Complete</td></tr> 134 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2168">2168</td><td>Inconsistent specification of uniform_real_distribution constructor</td><td>Lenexa</td><td>Complete</td></tr> 135 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2239">2239</td><td>min/max/minmax requirements</td><td>Lenexa</td><td>Complete</td></tr> 136 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2364">2364</td><td>deque and vector pop_back don't specify iterator invalidation requirements</td><td>Lenexa</td><td>Complete</td></tr> 137 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2369">2369</td><td>constexpr max(initializer_list) vs max_element</td><td>Lenexa</td><td>Complete</td></tr> 138 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2378">2378</td><td>Behaviour of standard exception types</td><td>Lenexa</td><td>Complete</td></tr> 139 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2403">2403</td><td>stof() should call strtof() and wcstof()</td><td>Lenexa</td><td>Complete</td></tr> 140 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2406">2406</td><td>negative_binomial_distribution should reject p == 1</td><td>Lenexa</td><td>Complete</td></tr> 141 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2407">2407</td><td>packaged_task(allocator_arg_t, const Allocator&, F&&) should neither be constrained nor explicit</td><td>Lenexa</td><td>Complete</td></tr> 142 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2411">2411</td><td>shared_ptr is only contextually convertible to bool</td><td>Lenexa</td><td>Complete</td></tr> 143 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2415">2415</td><td>Inconsistency between unique_ptr and shared_ptr</td><td>Lenexa</td><td>Complete</td></tr> 144 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2420">2420</td><td>function<void(ArgTypes...)> does not discard the return value of the target object</td><td>Lenexa</td><td>Complete</td></tr> 145 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2425">2425</td><td>operator delete(void*, size_t) doesn't invalidate pointers sufficiently</td><td>Lenexa</td><td>Complete</td></tr> 146 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2427">2427</td><td>Container adaptors as sequence containers, redux</td><td>Lenexa</td><td>Complete</td></tr> 147 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2428">2428</td><td>"External declaration" used without being defined</td><td>Lenexa</td><td>Complete</td></tr> 148 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2433">2433</td><td>uninitialized_copy()/etc. should tolerate overloaded operator&</td><td>Lenexa</td><td>Complete</td></tr> 149 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2434">2434</td><td>shared_ptr::use_count() is efficient</td><td>Lenexa</td><td>Complete</td></tr> 150 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2437">2437</td><td>iterator_traits::reference can and can't be void</td><td>Lenexa</td><td>Complete</td></tr> 151 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2438">2438</td><td>std::iterator inheritance shouldn't be mandated</td><td>Lenexa</td><td>Complete</td></tr> 152 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2439">2439</td><td>unique_copy() sometimes can't fall back to reading its output</td><td>Lenexa</td><td>Complete</td></tr> 153 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2440">2440</td><td>seed_seq::size() should be noexcept</td><td>Lenexa</td><td>Complete</td></tr> 154 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2442">2442</td><td>call_once() shouldn't DECAY_COPY()</td><td>Lenexa</td><td>Complete</td></tr> 155 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2448">2448</td><td>Non-normative Container destructor specification</td><td>Lenexa</td><td>Complete</td></tr> 156 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2454">2454</td><td>Add raw_storage_iterator::base() member</td><td>Lenexa</td><td>Complete</td></tr> 157 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2455">2455</td><td>Allocator default construction should be allowed to throw</td><td>Lenexa</td><td>Complete</td></tr> 158 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2458">2458</td><td>N3778 and new library deallocation signatures</td><td>Lenexa</td><td>Complete</td></tr> 159 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2459">2459</td><td>std::polar should require a non-negative rho</td><td>Lenexa</td><td>Complete</td></tr> 160 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2464">2464</td><td>try_emplace and insert_or_assign misspecified</td><td>Lenexa</td><td>Complete</td></tr> 161 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2467">2467</td><td>is_always_equal has slightly inconsistent default</td><td>Lenexa</td><td>Complete</td></tr> 162 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2470">2470</td><td>Allocator's destroy function should be allowed to fail to instantiate</td><td>Lenexa</td><td>Complete</td></tr> 163 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2482">2482</td><td>[c.strings] Table 73 mentions nonexistent functions</td><td>Lenexa</td><td>Complete</td></tr> 164 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2488">2488</td><td>Placeholders should be allowed and encouraged to be constexpr</td><td>Lenexa</td><td></td></tr> 165 <tr><td></td><td></td><td></td><td></td></tr> 166 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#1169">1169</a></td><td><tt>num_get</tt> not fully compatible with <tt>strto*</tt></td><td>Kona</td><td></td></tr> 167 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2072">2072</a></td><td>Unclear wording about capacity of temporary buffers</td><td>Kona</td><td>Complete</td></tr> 168 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2101">2101</a></td><td>Some transformation types can produce impossible types</td><td>Kona</td><td>Complete</td></tr> 169 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2111">2111</a></td><td>Which <tt>unexpected</tt>/<tt>terminate</tt> handler is called from the exception handling runtime?</td><td>Kona</td><td>Complete</td></tr> 170 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2119">2119</a></td><td>Missing <tt>hash</tt> specializations for extended integer types</td><td>Kona</td><td>Complete</td></tr> 171 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2127">2127</a></td><td>Move-construction with <tt>raw_storage_iterator</tt></td><td>Kona</td><td>Complete</td></tr> 172 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2133">2133</a></td><td>Attitude to overloaded comma for iterators</td><td>Kona</td><td>Complete</td></tr> 173 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2156">2156</a></td><td>Unordered containers' <tt>reserve(n)</tt> reserves for <tt>n-1</tt> elements</td><td>Kona</td><td>Complete</td></tr> 174 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2218">2218</a></td><td>Unclear how containers use <tt>allocator_traits::construct()</tt></td><td>Kona</td><td></td></tr> 175 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2219">2219</a></td><td><tt><i>INVOKE</i></tt>-ing a pointer to member with a <tt>reference_wrapper</tt> as the object expression</td><td>Kona</td><td>Complete</td></tr> 176 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2224">2224</a></td><td>Ambiguous status of access to non-live objects</td><td>Kona</td><td>Complete</td></tr> 177 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2234">2234</a></td><td><tt>assert()</tt> should allow usage in constant expressions</td><td>Kona</td><td>Complete</td></tr> 178 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2244">2244</a></td><td>Issue on <tt>basic_istream::seekg</tt></td><td>Kona</td><td>Complete</td></tr> 179 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2250">2250</a></td><td>Follow-up On Library Issue 2207</td><td>Kona</td><td></td></tr> 180 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2259">2259</a></td><td>Issues in 17.6.5.5 rules for member functions</td><td>Kona</td><td>Complete</td></tr> 181 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2273">2273</a></td><td><tt>regex_match</tt> ambiguity</td><td>Kona</td><td></td></tr> 182 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2336">2336</a></td><td><tt>is_trivially_constructible/is_trivially_assignable</tt> traits are always false</td><td>Kona</td><td></td></tr> 183 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2353">2353</a></td><td><tt>std::next</tt> is over-constrained</td><td>Kona</td><td>Complete</td></tr> 184 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2367">2367</a></td><td><tt>pair</tt> and <tt>tuple</tt> are not correctly implemented for <tt>is_constructible</tt> with no args</td><td>Kona</td><td>Complete</td></tr> 185 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2380">2380</a></td><td>May <tt><cstdlib></tt> provide <tt>long ::abs(long)</tt> and <tt>long long ::abs(long long)</tt>?</td><td>Kona</td><td>Complete</td></tr> 186 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2384">2384</a></td><td>Allocator's <tt>deallocate</tt> function needs better specification</td><td>Kona</td><td>Complete</td></tr> 187 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2385">2385</a></td><td><tt>function::assign</tt> allocator argument doesn't make sense</td><td>Kona</td><td>Complete</td></tr> 188 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2435">2435</a></td><td><tt>reference_wrapper::operator()</tt>'s Remark should be deleted</td><td>Kona</td><td>Complete</td></tr> 189 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2447">2447</a></td><td>Allocators and <tt>volatile</tt>-qualified value types</td><td>Kona</td><td>Complete</td></tr> 190 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2462">2462</a></td><td><tt>std::ios_base::failure</tt> is overspecified</td><td>Kona</td><td>Complete</td></tr> 191 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2466">2466</a></td><td><tt>allocator_traits::max_size()</tt> default behavior is incorrect</td><td>Kona</td><td>Complete</td></tr> 192 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2469">2469</a></td><td>Wrong specification of Requires clause of <tt>operator[]</tt> for <tt>map</tt> and <tt>unordered_map</tt></td><td>Kona</td><td>Complete</td></tr> 193 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2473">2473</a></td><td><tt>basic_filebuf</tt>'s relation to C <tt>FILE</tt> semantics</td><td>Kona</td><td>Complete</td></tr> 194 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2476">2476</a></td><td><tt>scoped_allocator_adaptor</tt> is not assignable</td><td>Kona</td><td>Complete</td></tr> 195 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2477">2477</a></td><td>Inconsistency of wordings in <tt>std::vector::erase()</tt> and <tt>std::deque::erase()</tt></td><td>Kona</td><td>Complete</td></tr> 196 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2483">2483</a></td><td><tt>throw_with_nested()</tt> should use <tt>is_final</tt></td><td>Kona</td><td>Complete</td></tr> 197 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2484">2484</a></td><td><tt>rethrow_if_nested()</tt> is doubly unimplementable</td><td>Kona</td><td>Complete</td></tr> 198 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2485">2485</a></td><td><tt>get()</tt> should be overloaded for <tt>const tuple&&</tt></td><td>Kona</td><td>Complete</td></tr> 199 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2486">2486</a></td><td><tt>mem_fn()</tt> should be required to use perfect forwarding</td><td>Kona</td><td>Complete</td></tr> 200 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2487">2487</a></td><td><tt>bind()</tt> should be <tt>const</tt>-overloaded, not <i>cv</i>-overloaded</td><td>Kona</td><td>Complete</td></tr> 201 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2489">2489</a></td><td><tt>mem_fn()</tt> should be <tt>noexcept</tt></td><td>Kona</td><td>Complete</td></tr> 202 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2492">2492</a></td><td>Clarify requirements for <tt>comp</tt></td><td>Kona</td><td>Complete</td></tr> 203 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2495">2495</a></td><td>There is no such thing as an Exception Safety element</td><td>Kona</td><td>Complete</td></tr> 204 <tr><td></td><td></td><td></td><td></td></tr> 205 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2192">2192</a></td><td>Validity and return type of <tt>std::abs(0u)</tt> is unclear</td><td>Jacksonville</td><td></td></tr> 206 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2276">2276</a></td><td>Missing requirement on <tt>std::promise::set_exception</tt></td><td>Jacksonville</td><td></td></tr> 207 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2296">2296</a></td><td><tt>std::addressof</tt> should be <tt>constexpr</td><td>Jacksonville</td><td>Complete (Clang Only)</td></tr> 208 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2450">2450</a></td><td><tt>(greater|less|greater_equal|less_equal)<void></tt> do not yield a total order for pointers</td><td>Jacksonville</td><td></td></tr> 209 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2520">2520</a></td><td>N4089 broke initializing <tt>unique_ptr<T[]></tt> from a <tt>nullptr</tt></td><td>Jacksonville</td><td></td></tr> 210 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2522">2522</a></td><td>[fund.ts.v2] Contradiction in <tt>set_default_resource</tt> specification</td><td>Jacksonville</td><td></td></tr> 211 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2523">2523</a></td><td><tt>std::promise</tt> synopsis shows two <tt>set_value_at_thread_exit()</tt>'s for no apparent reason</td><td>Jacksonville</td><td>Complete</td></tr> 212 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2537">2537</a></td><td>Constructors for <code>priority_queue</code> taking allocators should call <code>make_heap</code></td><td>Jacksonville</td><td></td></tr> 213 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2539">2539</a></td><td>[fund.ts.v2] <tt>invocation_trait</tt> definition definition doesn't work for surrogate call functions</td><td>Jacksonville</td><td></td></tr> 214 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2545">2545</a></td><td>Simplify wording for <tt>bind</tt> without explicitly specified return type</td><td>Jacksonville</td><td></td></tr> 215 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2557">2557</a></td><td>Logical operator traits are broken in the zero-argument case</td><td>Jacksonville</td><td>Complete</td></tr> 216 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2558">2558</a></td><td>[fund.ts.v2] Logical operator traits are broken in the zero-argument case</td><td>Jacksonville</td><td>Complete</td></tr> 217 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2559">2559</a></td><td>Error in LWG 2234's resolution</td><td>Jacksonville</td><td>Complete</td></tr> 218 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2560">2560</a></td><td><tt>is_constructible</tt> underspecified when applied to a function type</td><td>Jacksonville</td><td>Broken in 3.6; See r261653.</td></tr> 219 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2565">2565</a></td><td><tt>std::function</tt>'s move constructor should guarantee nothrow for <tt>reference_wrapper</tt>s and function pointers</td><td>Jacksonville</td><td></td></tr> 220 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2566">2566</a></td><td>Requirements on the first template parameter of container adaptors</td><td>Jacksonville</td><td>Complete</td></tr> 221 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2571">2571</a></td><td>§[map.modifiers]/2 imposes nonsensical requirement on <tt>insert(InputIterator, InputIterator)</tt></td><td>Jacksonville</td><td>Complete</td></tr> 222 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2572">2572</a></td><td>The remarks for <tt>shared_ptr::operator*</tt> should apply to <i>cv</i>-qualified <tt>void</tt> as well</td><td>Jacksonville</td><td>Complete</td></tr> 223 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2574">2574</a></td><td>[fund.ts.v2] <tt>std::experimental::function::operator=(F&&)</tt> should be constrained</td><td>Jacksonville</td><td></td></tr> 224 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2575">2575</a></td><td>[fund.ts.v2] <tt>experimental::function::assign</tt> should be removed</td><td>Jacksonville</td><td></td></tr> 225 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2576">2576</a></td><td><tt>istream_iterator</tt> and <tt>ostream_iterator</tt> should use <tt>std::addressof</tt></td><td>Jacksonville</td><td>Complete</td></tr> 226 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2577">2577</a></td><td><tt>{shared,unique}_lock</tt> should use <tt>std::addressof</tt></td><td>Jacksonville</td><td>Complete</td></tr> 227 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2579">2579</a></td><td>Inconsistency wrt Allocators in <tt>basic_string</tt> assignment vs. <tt>basic_string::assign</tt></td><td>Jacksonville</td><td>Complete</td></tr> 228 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2581">2581</a></td><td>Specialization of <tt><type_traits></tt> variable templates should be prohibited</td><td>Jacksonville</td><td>Complete</td></tr> 229 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2582">2582</a></td><td>§[res.on.functions]/2's prohibition against incomplete types shouldn't apply to type traits</td><td>Jacksonville</td><td></td></tr> 230 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2583">2583</a></td><td>There is no way to supply an allocator for <tt>basic_string(str, pos)</tt></td><td>Jacksonville</td><td>Complete</td></tr> 231 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2585">2585</a></td><td><tt>forward_list::resize(size_type, const value_type&)</tt> effects incorrect</td><td>Jacksonville</td><td></td></tr> 232 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2586">2586</a></td><td>Wrong value category used in <tt>scoped_allocator_adaptor::construct()</tt></td><td>Jacksonville</td><td></td></tr> 233 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2590">2590</a></td><td>Aggregate initialization for <tt>std::array</tt></td><td>Jacksonville</td><td>Complete</td></tr> 234 235 <!-- 236 <tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#1214">1214</a></td><td>Insufficient/inconsistent key immutability requirements for associative containers</td><td>Urbana</td><td></td></tr> 237 --> 238 <!-- <tr><td></td><td></td><td></td><td></td></tr> --> 239 </table> 240 241 <p>Last Updated: 18-May-2016</p> 242 </div> 243 </body> 244 </html> 245
