C++ Defect Report Support in Clang

C++ defect report implementation status

This page tracks which C++ defect reports are implemented within Clang.

Number	Status	Issue title	Available in Clang?
1	TC1	What if two using-declarations refer to the same function but the declarations introduce different default-arguments?	No
2	drafting	How can dependent names be used in member declarations that appear outside of the class template definition?	Not resolved
3	NAD	The template compilation model rules render some explicit specialization declarations not visible during instantiation	Yes
4	CD1	Does extern "C" affect the linkage of function names with internal linkage?	Yes
5	CD1	CV-qualifiers and type conversions	Yes
6	open	Should the optimization that allows a class object to alias another object also allow the case of a parameter in an inline function to alias its argument?	Not resolved
7	NAD	Can a class with a private virtual base class be derived from?	Yes
8	CD1	Access to template arguments used in a function return type and in the nested name specifier	Duplicate of 45
9	CD1	Clarification of access to base class members	Yes
10	CD1	Can a nested class access its own class name as a qualified name if it is a private member of the enclosing class?	Duplicate of 45
11	CD1	How do the keywords typename/template interact with using-declarations?	Yes
12	dup	Default arguments on different declarations for the same function and the Koenig lookup	Superseded by 239
13	NAD	extern "C" for Parameters of Function Templates	No
14	NAD	extern "C" functions and declarations in different namespaces	Yes
15	dup	Default arguments for parameters of function templates	Yes
16	CD1	Access to members of indirect private base classes	Yes
17	NAD	Footnote 99 should discuss the naming class when describing members that can be accessed from friends	Yes
18	NAD	f(TYPE) where TYPE is void should be allowed	Superseded by 577
19	NAD	Clarify protected member access	Yes
20	TC1	Some clarifications needed for 12.8 para 15	Yes
21	TC1	Can a default argument for a template parameter appear in a friend declaration?	Yes
22	TC1	Template parameter with a default argument that refers to itself	Superseded by 481
23	NAD	Some questions regarding partial ordering of function templates	Yes
24	TC1	Errors in examples in 14.7.3	N/A
25	TC1	Exception specifications and pointers to members	Yes
26	NAD	Copy constructors and default arguments	Yes
27	NAD	Overload ambiguities for builtin ?: prototypes	Yes
28	CD1	'exit', 'signal' and static object destruction	N/A (Library DR)
29	CD1	Linkage of locally declared functions	Clang 3.4
30	TC1	Valid uses of "::template"	Superseded by 468 (C++11 onwards)
31	NAD	Looking up new/delete	Yes
32	TC1	Clarification of explicit instantiation of non-exported templates	N/A
33	TC1	Argument dependent lookup and overloaded functions	Yes
34	NAD	Argument dependent lookup and points of instantiation	N/A
35	TC1	Definition of default-initialization	Duplicate of 178
36	open	using-declarations in multiple-declaration contexts	Not resolved
37	NAD	When is uncaught_exception() true?	Superseded by 475
38	TC1	Explicit template arguments and operator functions	Yes
39	CD1	Conflicting ambiguity rules	No
40	TC1	Syntax of declarator-id	N/A
41	TC1	Clarification of lookup of names after declarator-id	Yes
42	NAD	Redefining names from base classes	Yes
43	TC1	Copying base classes (PODs) using memcpy	N/A
44	CD1	Member specializations	Superseded by 727
45	CD1	Access to nested classes	Yes
46	NAD	Explicit instantiation of member templates	Yes
47	NAD	Template friend issues	Superseded by 329
48	TC1	Definitions of unused static members	Yes
49	TC1	Restriction on non-type, non-value template arguments	Yes
50	NAD	Converting pointer to incomplete type to same type	Yes
51	TC1	Overloading and user-defined conversions	Yes
52	TC1	Non-static members, member selection and access checking	Yes
53	TC1	Lvalue-to-rvalue conversion before certain static_casts	Yes
54	CD1	Static_cast from private base to derived class	Yes
55	NAD	Adding/subtracting pointer and enumeration value	Yes
56	TC1	Redeclaring typedefs within classes	Yes
57	open	Empty unions	Not resolved
58	CD1	Signedness of bit fields of enum type	Yes
59	TC1	Clarification of overloading and UDC to reference type	Yes
60	CD1	Reference binding and valid conversion sequences	Yes
61	NAD	Address of static member function "&p->f"	Yes
62	CD1	Unnamed members of classes used as type parameters	Yes
63	CD1	Class instantiation from pointer conversion to void*, null and self	Yes
64	TC1	Partial ordering to disambiguate explicit specialization	Yes
65	TC1	Typo in default argument example	N/A
66	NAD	Visibility of default args vs overloads added after using-declaration	No
67	TC1	Evaluation of left side of object-expression	N/A
68	TC1	Grammar does not allow "friend class A<int>;"	Yes
69	TC1	Storage class specifiers on template declarations	Yes
70	CD1	Is an array bound a nondeduced context?	Yes
71	NAD	Incorrect cross reference	N/A
72	dup	Linkage and storage class specifiers for templates	Duplicate of 69
73	TC1	Pointer equality	No
74	TC1	Enumeration value in direct-new-declarator	Yes
75	TC1	In-class initialized members must be const	Yes
76	TC1	Are const volatile variables considered "constant expressions"?	Yes
77	CD1	The definition of friend does not allow nested classes to be friends	Yes
78	CD1	Section 8.5 paragraph 9 should state it only applies to non-static objects	Superseded by ????
79	dup	Alignment and placement new	N/A
80	TC1	Class members with same name as class	Yes
81	NAD	Null pointers and C compatibility	N/A
82	dup	Definition of "using" a constant expression	Duplicate of 48
83	TC1	Overloading and deprecated conversion of string literal	Yes
84	TC1	Overloading and conversion loophole used by auto_ptr	Yes
85	TC1	Redeclaration of member class	Yes
86	CD1	Lifetime of temporaries in query expressions	Duplicate of 446
87	CD1	Exception specifications on function parameters	No
88	NAD	Specialization of member constant templates	Yes
89	TC1	Object lifetime does not account for reference rebinding	N/A
90	TC1	Should the enclosing class be an "associated class" too?	Yes
91	NAD	A union's associated types should include the union itself	Yes
92	CD4	Should exception-specifications be part of the type system?	Clang 4 (C++17 onwards)
93	TC1	Missing word in 3.8 basic.life paragraph 2	N/A
94	TC1	Inconsistencies in the descriptions of constant expressions	Yes
95	NAD	Elaborated type specifiers referencing names declared in friend decls	Yes
96	C++11	Syntactic disambiguation using the template keyword	No
97	NAD	Use of bool constants in integral constant expressions	Yes
98	TC1	Branching into try block	Yes
99	NAD	Partial ordering, references and cv-qualifiers	Superseded by 214
100	TC1	Clarify why string literals are not allowed as template arguments	Yes
101	TC1	Redeclaration of extern "C" names via using-declarations	Clang 3.5
102	NAD	Operator lookup rules do not work well with parts of the library	Yes
103	TC1	Is it extended-namespace-definition or extension-namespace-definition ?	N/A
104	NAD	Destroying the exception temp when no handler is found	N/A (Library DR)
105	TC1	Meaning of "template function"	N/A
106	CD1	Creating references to references during template deduction/instantiation	Superseded by 540
107	NAD	Linkage of operator functions	Yes
108	TC1	Are classes nested in templates dependent?	Yes
109	NAD	Allowing ::template in using-declarations	Yes
110	open	Can template functions and classes be declared in the same scope?	Not resolved
111	NAD	Copy constructors and cv-qualifiers	Duplicate of 535
112	CD1	Array types and cv-qualifiers	Yes
113	CD1	Visibility of called function	Yes
114	NAD	Virtual overriding by template member function specializations	Yes
115	CD1	Address of template-id	Yes
116	TC1	Equivalent and functionally-equivalent function templates	Yes
117	NAD	Timing of destruction of temporaries	N/A
118	CD1	Calls via pointers to virtual member functions	Yes
119	CD1	Object lifetime and aggregate initialization	N/A
120	TC1	Nonexistent non-terminal qualified-name	N/A
121	TC1	Dependent type names with non-dependent nested-name-specifiers	Yes
122	CD1	template-ids as unqualified-ids	Yes
123	TC1	Bad cross-reference	N/A
124	CD1	Lifetime of temporaries in default initialization of class arrays	Duplicate of 201
125	CD1	Ambiguity in friend declaration syntax	Yes
126	TC1	Exception specifications and const	Partial
127	TC1	Ambiguity in description of matching deallocation function	Yes
128	TC1	Casting between enum types	Yes
129	CD3	Stability of uninitialized auto variables	Duplicate of 616
130	NAD	Sequence points and new-expressions	N/A
131	TC1	Typo in Lao characters	Yes
132	NAD	Local types and linkage	No
133	dup	Exception specifications and checking	Duplicate of 87
134	TC1	Template classes and declarator-ids	N/A
135	TC1	Class type in in-class member function definitions	Yes
136	CD1	Default arguments and friend declarations	Clang 3.4
137	TC1	static_cast of cv void*	Yes
138	drafting	Friend declaration name lookup	Not resolved
139	CD1	Error in friend lookup example	Yes
140	CD1	Agreement of parameter declarations	Yes
141	CD1	Non-member function templates in member access expressions	Yes
142	TC1	Injection-related errors in access example	Yes
143	CD1	Friends and Koenig lookup	Yes
144	open	Position of friend specifier	Not resolved
145	TC1	Deprecation of prefix ++	Yes
146	open	Floating-point zero	Not resolved
147	TC1	Naming the constructor	Yes
148	TC1	POD classes and pointers to members	Yes
149	TC1	Accessibility and ambiguity	N/A
150	C++17	Template template parameters and default arguments	Unknown
151	TC1	Terminology of zero-initialization	Yes
152	TC1	explicit copy constructors	Yes
153	TC1	Misleading wording (rank of conversion)	N/A
154	NAD	Anonymous unions in unnamed namespaces	Yes
155	dup	Brace initializer for scalar	Duplicate of 632
156	drafting	Name lookup for conversion functions	Not resolved
157	open	Omitted typedef declarator	Not resolved
158	CD1	Aliasing and qualification conversions	Yes
159	TC1	Namespace qualification in declarators	Clang 3.5
160	CD1	Missing std:: qualification	N/A
161	TC1	Access to protected nested type	Yes
162	CD1	(&C::f)() with nonstatic members	No
163	TC1	Description of subaggregate initializer	N/A
164	TC1	Overlap between Koenig and normal lookup	Yes
165	NAD	Definitions of friends and block-scope externs	No
166	TC1	Friend declarations of template-ids	Yes
167	NAD	Deprecating static functions	Superseded by 1012
168	NAD	C linkage for static member functions	No
169	NAD	template-ids in using-declarations	Yes
170	drafting	Pointer-to-member conversions	Not resolved
171	TC1	Global namespace scope	Yes
172	CD1	Unsigned int as underlying type of enum	Yes
173	TC1	Constraints on execution character set	Yes
174	NAD	Undeprecating global static	Superseded by 1012
175	CD1	Class name injection and base name access	Yes
176	TC1	Name injection and templates	Yes
177	CD1	Lvalues vs rvalues in copy-initialization	Yes
178	TC1	More on value-initialization	Yes
179	TC1	Function pointers and subtraction	Yes
180	CD1	typename and elaborated types	Yes
181	TC1	Errors in template template-parameter example	Yes
182	NAD	Access checking on explicit specializations	Yes
183	TC1	typename in explicit specializations	Superseded by 382
184	CD1	Default arguments in template template-parameters	Yes
185	TC1	"Named" temporaries and copy elision	Unknown
186	open	Name hiding and template template-parameters	Not resolved
187	TC1	Scope of template parameter names	Superseded by 481
188	TC1	Comma operator and rvalue conversion	Yes
189	drafting	Definition of operator and punctuator	Not resolved
190	TC1	Layout-compatible POD-struct types	Unknown
191	open	Name lookup does not handle complex nesting	Not resolved
192	drafting	Name lookup in parameters	Not resolved
193	TC1	Order of destruction of local automatics of destructor	Unknown
194	TC1	Identifying constructors	Yes
195	CD1	Converting between function and object pointers	Yes
196	open	Arguments to deallocation functions	Not resolved
197	CD1	Issues with two-stage lookup of dependent names	Yes
198	CD1	Definition of "use" in local and nested classes	Yes
199	CD1	Order of destruction of temporaries	Unknown
200	dup	Partial ordering and explicit arguments	Duplicate of 214
201	CD1	Order of destruction of temporaries in initializers	Unknown
202	TC1	Use of overloaded function name	Yes
203	NAD	Type of address-of-member expression	Unknown
204	CD1	Exported class templates	No
205	drafting	Templates and static data members	Not resolved
206	TC1	Semantic constraints on non-dependent names	Yes
207	CD1	using-declarations and protected access	Yes
208	CD1	Rethrowing exceptions in nested handlers	Unknown
209	NAD	Must friend declaration names be accessible?	Yes
210	TC1	What is the type matched by an exception handler?	Unknown
211	NAD	Constructors should not be allowed to return normally after an exception	Yes
212	CD4	Implicit instantiation is not described clearly enough	Unknown
213	TC1	Lookup in dependent base classes	Yes
214	CD1	Partial ordering of function templates is underspecified	Yes
215	CD1	Template parameters are not allowed in nested-name-specifiers	Yes
216	CD1	Linkage of nameless class-scope enumeration types	No
217	TC1	Default arguments for non-template member functions of class templates	Yes
218	CD1	Specification of Koenig lookup	Yes
219	NAD	Cannot defend against destructors that throw exceptions	N/A
220	CD1	All deallocation functions should be required not to throw	N/A
221	CD1	Must compound assignment operators be member functions?	Yes
222	CD1	Sequence points and lvalue-returning operators	Duplicate of 637
223	CD3	The meaning of deprecation	N/A
224	CD1	Definition of dependent names	No
225	NAD	Koenig lookup and fundamental types	Yes
226	CD1	Default template arguments for function templates	No
227	TC1	How many scopes in an if statement?	Yes
228	CD1	Use of template keyword with non-member templates	Yes
229	NAD	Partial specialization of function templates	Yes
230	NAD	Calls to pure virtual functions	Yes
231	NAD	Visibility of names after using-directives	Yes
232	drafting	Is indirection through a null pointer undefined behavior?	Not resolved
233	open	References vs pointers in UDC overload resolution	Not resolved
234	NAD	Reuse of base class subobjects	N/A
235	TC1	Assignment vs initialization	N/A
236	NAD	Explicit temporaries and integral constant expressions	Yes
237	CD1	Explicit instantiation and base class members	Duplicate of 470
238	CD4	Precision and accuracy constraints on floating point	Unknown
239	CD1	Footnote 116 and Koenig lookup	Yes
240	CD3	Uninitialized values and undefined behavior	Duplicate of 616
241	TC1	Error in example in 14.8.1	Yes
242	CD4	Interpretation of old-style casts	Unknown
243	NAD	Weighting of conversion functions in direct-initialization	Yes
244	CD1	Destructor lookup	Clang 11
245	CD1	Name lookup in elaborated-type-specifiers	Yes
246	CD1	Jumps in function-try-block handlers	Yes
247	NAD	Pointer-to-member casts and function overload resolution	Yes
248	C++11	Identifier characters	Yes (C++11 onwards)
249	TC1	What is a member function template?	Yes
250	TC1	Address of function template specialization with non-deduced template arguments	Yes
251	open	How many signed integer types are there?	Not resolved
252	CD1	Looking up deallocation functions in virtual destructors	Yes
253	C++17	Why must empty or fully-initialized const objects be initialized?	Unknown
254	CD1	Definitional problems with elaborated-type-specifiers	Yes
255	drafting	Placement deallocation functions and lookup ambiguity	Not resolved
256	CD1	Overflow in size calculations	Duplicate of 624
257	CD2	Abstract base constructors and virtual base initialization	Yes
258	CD1	using-declarations and cv-qualifiers	Yes
259	CD1	Restrictions on explicit specialization and instantiation	Clang 4
260	open	User-defined conversions and built-in operator=	Not resolved
261	CD1	When is a deallocation function "used?"	No
262	CD1	Default arguments and ellipsis	Yes
263	CD1	Can a constructor be declared a friend?	Yes
264	open	Unusable template constructors and conversion functions	Not resolved
265	dup	Destructors, exceptions, and deallocation	Duplicate of 353
266	NAD	No grammar sentence symbol	N/A
267	open	Alignment requirement for new-expressions	Not resolved
268	open	Macro name suppression in rescanned replacement text	Not resolved
269	NAD	Order of initialization of multiply-defined static data members of class templates	N/A
270	CD1	Order of initialization of static data members of class templates	N/A
271	open	Explicit instantiation and template argument deduction	Not resolved
272	CD1	Explicit destructor invocation and qualified-ids	Yes
273	CD1	POD classes and operator&()	Yes
274	CD1	Cv-qualification and char-alias access to out-of-lifetime objects	N/A
275	CD1	Explicit instantiation/specialization and using-directives	No
276	CD1	Order of destruction of parameters and temporaries	N/A
277	CD1	Zero-initialization of pointers	Yes
278	open	External linkage and nameless entities	Not resolved
279	open	Correspondence of "names for linkage purposes"	Not resolved
280	CD1	Access and surrogate call functions	Yes
281	CD1	inline specifier in friend declarations	No
282	open	Namespace for extended_type_info	Not resolved
283	CD1	Template type-parameters are not syntactically type-names	Yes
284	CD1	qualified-ids in class declarations	No
285	NAD	Identifying a function template being specialized	Yes
286	CD1	Incorrect example in partial specialization	Yes
287	drafting	Order dependencies in template instantiation	Not resolved
288	CD1	Misuse of "static type" in describing pointers	N/A
289	CD1	Incomplete list of contexts requiring a complete type	Yes
290	NAD	Should memcpy be allowed into a POD with a const member?	N/A
291	CD1	Overload resolution needed when binding reference to class rvalue	Duplicate of 391
292	CD3	Deallocation on exception in new before arguments evaluated	Unknown
293	open	Syntax of explicit instantiation/specialization too permissive	Not resolved
294	NAD	Can static_cast drop exception specifications?	No
295	CD1	cv-qualifiers on function types	Clang 3.7
296	CD1	Can conversion functions be static?	Yes
297	open	Which template does an explicit specialization specialize?	Not resolved
298	CD1	T::x when T is cv-qualified	Yes
299	CD1	Conversion on array bound expression in new	Yes (C++11 onwards)
300	CD1	References to functions in template argument deduction	Yes
301	CD1	Syntax for template-name	Yes
302	CD1	Value-initialization and generation of default constructor	Yes
303	NAD	Integral promotions on bit-fields	N/A
304	TC1	Value-initialization of a reference	Yes
305	CD1	Name lookup in destructor call	No
306	CD1	Ambiguity by class name injection	Duplicate of 39
307	NAD	Initialization of a virtual base class subobject	N/A
308	NAD	Catching exceptions with ambiguous base classes	Yes
309	CD1	Linkage of entities whose names are not simply identifiers, in introduction	Duplicate of 485
310	open	Can function templates differing only in parameter cv-qualifiers be overloaded?	Not resolved
311	NAD	Using qualified name to reopen nested namespace	Yes
312	CD3	“use” of invalid pointer value not defined	Duplicate of 616
313	dup	Class with single conversion function to integral as array size in new	Duplicate of 299 (C++11 onwards)
314	C++17	template in base class specifier	Unknown
315	NAD	Is call of static member function through null pointer undefined?	N/A
316	NAD	Injected-class-name of template used as template template parameter	Superseded by 1004
317	CD1	Can a function be declared inline after it has been called?	Clang 3.5
318	CD1	struct A::A should not name the constructor of A	Superseded by 1310
319	CD1	Use of names without linkage in declaring entities with linkage	No
320	CD1	Question on copy constructor elision example	Yes
321	dup	Associated classes and namespaces for argument-dependent lookup	Duplicate of 557
322	CD1	Deduction of reference conversions	Yes
323	CD1	Where must export appear?	No
324	CD1	Can "&" be applied to assignment to bit-field?	Yes
325	drafting	When are default arguments parsed?	Not resolved
326	CD1	Wording for definition of trivial constructor	Yes
327	CD1	Use of "structure" without definition	Duplicate of 538
328	CD1	Missing requirement that class member types be complete	Yes
329	CD1	Evaluation of friends of templates	Clang 3.5
330	CD4	Qualification conversions and pointers to arrays of pointers	Clang 7
331	CD1	Allowed copy constructor signatures	Yes
332	CD3	cv-qualified void parameter types	Duplicate of 577
333	NAD	Ambiguous use of "declaration" in disambiguation section	Yes
334	NAD	Is a comma-expression dependent if its first operand is?	Yes
335	CD1	Allowing export on template members of nontemplate classes	No
336	CD1	Explicit specialization examples are still incorrect	Yes
337	CD1	Attempt to create array of abtract type should cause deduction to fail	Yes
338	open	Enumerator name with linkage used as class name in other translation unit	Not resolved
339	CD1	Overload resolution in operand of sizeof in constant expression	Yes
340	NAD	Unclear wording in disambiguation section	Yes
341	C++11	extern "C" namespace member function versus global variable	Superseded by 1708
342	CD3	Terminology: "indirection" versus "dereference"	N/A
343	C++17	Make template optional in contexts that require a type	Unknown
344	CD3	Naming destructors	Duplicate of 1435
345	CD1	Misleading comment on example in templates chapter	Yes
346	NAD	Typo in 15.4	N/A
347	NAD	Use of derived class name in defining base class nested class	Yes
348	CD1	delete and user-written deallocation functions	N/A
349	CD1	Template argument deduction for conversion functions and qualification conversions	No
350	open	signed char underlying representation for objects	Not resolved
351	CD1	Sequence point error: unspecified or undefined?	N/A
352	CD1	Nondeduced contexts	Yes
353	CD1	Is deallocation routine called if destructor throws exception in delete?	Unknown
354	CD1	Null as nontype template argument	Yes (C++11 onwards)
355	C++11	Global-scope :: in nested-name-specifier	Yes
356	NAD	Wording of behavior of generated copy constructor for scalar members	N/A
357	CD1	Definition of signature should include name	Yes
358	NAD	Namespaces and extern "C"	Yes
359	NAD	Type definition in anonymous union	Yes
360	open	Using-declaration that reduces access	Not resolved
361	open	Forward reference to default argument	Not resolved
362	CD1	Order of initialization in instantiation units	N/A
363	NAD	Initialization of class from self	N/A
364	CD1	Calling overloaded function with static in set, with no object	Yes
365	open	Storage duration and temporaries	Not resolved
366	CD1	String literal allowed in integral constant expression?	Yes
367	CD1	throw operator allowed in constant expression?	Yes
368	CD1	Uses of non-type parameters that should cause deduction to fail	Yes
369	drafting	Are new/delete identifiers or preprocessing-op-or-punc?	Not resolved
370	CD1	Can #include <...> form be used other than for standard C++ headers?	N/A
371	open	Interleaving of constructor calls	Not resolved
372	CD1	Is access granted by base class specifiers available in following base class specifiers?	No
373	C++11	Lookup on namespace qualified name in using-directive	Clang 5
374	CD2	Can explicit specialization outside namespace use qualified name?	Yes
375	dup	Confusing example on lookup with typename	Duplicate of 345
376	NAD	Class "definition" versus class "declaration"	N/A
377	CD1	Enum whose enumerators will not fit in any integral type	Yes
378	CD1	Wording that says temporaries are declared	Duplicate of 276
379	CD1	Change "class declaration" to "class definition"	N/A
380	open	Definition of "ambiguous base class" missing	Not resolved
381	CD1	Incorrect example of base class member lookup	Yes
382	CD1	Allow typename outside of templates	Yes (C++11 onwards)
383	CD1	Is a class with a declared but not defined destructor a POD?	Yes
384	NAD	Argument-dependent lookup and operator functions	Yes
385	CD1	How does protected member check of 11.5 interact with using-declarations?	Yes
386	drafting	Friend declaration of name brought in by using-declaration	Not resolved
387	CD1	Errors in example in 14.6.5	Yes
388	CD3	Catching base*& from a throw of derived*	Unknown
389	CD1	Unnamed types in entities with linkage	No
390	CD1	Pure virtual must be defined when implicitly called	Yes
391	CD1	Require direct binding of short-lived references to rvalues	Yes (C++11 onwards)
392	CD1	Use of full expression lvalue before temporary destruction	Unknown
393	CD4	Pointer to array of unknown bound in template argument list in parameter	Unknown
394	CD1	identifier-list is never defined	N/A
395	NAD	Conversion operator template syntax	Yes
396	CD1	Misleading note regarding use of auto for disambiguation	Yes
397	CD1	Same address for string literals from default arguments in inline functions?	Superseded by 1823
398	CD1	Ambiguous wording on naming a type in deduction	Yes
399	drafting	Destructor lookup redux	Not resolved
400	CD1	Using-declarations and the "struct hack"	Yes
401	CD1	When is access for template parameter default arguments checked?	Yes
402	open	More on partial ordering of function templates	Not resolved
403	CD1	Reference to a type as a template-id	Yes
404	CD1	Unclear reference to construction with non-trivial constructor	N/A
405	open	Unqualified function name lookup	Not resolved
406	CD1	Static data member in class with name for linkage purposes	Yes
407	C++11	Named class with associated typedef: two names or one?	Clang 3.8
408	CD2	sizeof applied to unknown-bound array static data member of template	Clang 3.4
409	CD1	Obsolete paragraph missed by changes for issue 224	Yes
410	CD1	Paragraph missed in changes for issue 166	No
411	open	Use of universal-character-name in character versus string literals	Not resolved
412	NAD	Can a replacement allocation function be inline?	Yes
413	CD1	Definition of "empty class"	Yes
414	CD1	Multiple types found on destructor lookup	Duplicate of 305
415	CD1	Template deduction does not cause instantiation	Yes
416	CD1	Class must be complete to allow operator lookup?	Yes
417	CD1	Using derived-class qualified name in out-of-class nested class definition	No
418	open	Imperfect wording on error on multiple default arguments on a called function	Not resolved
419	open	Can cast to virtual base class be done on partially-constructed object?	Not resolved
420	CD1	postfixexpression->scalar_type_dtor() inconsistent	Yes
421	CD1	Is rvalue.field an rvalue?	Yes
422	NAD	Is a typedef redeclaration allowed with a template type that might be the same?	Yes
423	NAD	Can a conversion be done on the left operand of a compound assignment?	Yes
424	CD1	Wording problem with issue 56 resolution on redeclaring typedefs in class scope	Yes
425	CD1	Set of candidates for overloaded built-in operator with float operand	Yes
426	C++17	Identically-named variables, one internally and one externally linked, allowed?	Unknown
427	CD1	static_cast ambiguity: conversion versus cast to derived	Yes
428	CD1	Mention of expression with reference type	Yes
429	CD1	Matching deallocation function chosen based on syntax or signature?	Yes (C++11 onwards)
430	CD1	Ordering of expression evaluation in initializer list	Yes (C++11 onwards)
431	C++11	Defect in wording in 14.2	Yes
432	CD1	Is injected class name visible in base class specifier list?	Yes
433	CD1	Do elaborated type specifiers in templates inject into enclosing namespace scope?	Yes
434	NAD	Unclear suppression of standard conversions while binding reference to lvalue	Superseded by 2352
435	NAD	Change "declararation or definition" to "declaration"	N/A
436	CD1	Problem in example in 9.6 paragraph 4	Yes
437	CD1	Is type of class allowed in member function exception specification?	Superseded by 1308
438	CD2	Possible flaw in wording for multiple accesses to object between sequence points	Unknown
439	CD1	Guarantees on casting pointer back to cv-qualified version of original type	Unknown
440	open	Allow implicit pointer-to-member conversion on nontype template argument	Not resolved
441	CD1	Ordering of static reference initialization	Unknown
442	CD1	Incorrect use of null pointer constant in description of delete operator	Superseded by 348
443	CD1	Wording nit in description of lifetime of temporaries	N/A
444	NAD	Overriding and the generated copy assignment operator	Yes
445	NAD	Wording issue on friend declarations	Yes
446	CD1	Does an lvalue-to-rvalue conversion on the "?" operator produce a temporary?	Yes
447	CD1	Is offsetof type-dependent?	Yes
448	C++11	Set of template functions in call with dependent explicit argument	Yes
449	NAD	Consistency in use of hyphen with names of "non" entities	N/A
450	CD1	Binding a reference to const to a cv-qualified array rvalue	Yes
451	CD1	Expressions with invalid results and ill-formedness	Yes
452	CD1	Wording nit on description of this	Yes
453	drafting	References may only bind to “valid” objects	Not resolved
454	CD1	When is a definition of a static data member required?	Unknown
455	drafting	Partial ordering and non-deduced arguments	Not resolved
456	NAD	Is initialized const int or const bool variable a null pointer constant?	Yes
457	CD1	Wording nit on use of const variables in constant expressions	Yes
458	C++11	Hiding of member template parameters by other members	Clang 11
459	open	Hiding of template parameters by base class members	Not resolved
460	CD1	Can a using-declaration name a namespace?	Yes
461	NAD	Make asm conditionally-supported	N/A
462	CD3	Lifetime of temporaries bound to comma expressions	Unknown
463	CD1	reinterpret_cast<T*>(0)	N/A
464	CD1	Wording nit on lifetime of temporaries to which references are bound	N/A
465	NAD	May constructors of global objects call exit()?	N/A
466	CD1	cv-qualifiers on pseudo-destructor type	No
467	NAD	Jump past initialization of local static variable	Yes
468	CD1	Allow ::template outside of templates	Yes (C++11 onwards)
469	NAD	Const template specializations and reference arguments	No
470	CD1	Instantiation of members of an explicitly-instantiated class template	Yes
471	NAD	Conflicting inherited access specifications	Yes
472	drafting	Casting across protected inheritance	Not resolved
473	open	Block-scope declarations of allocator functions	Not resolved
474	CD1	Block-scope extern declarations in namespace members	Yes
475	C++11	When is std::uncaught_exception() true? (take 2)	Unknown
476	extension	Determining the buffer size for placement new	Extension
477	CD1	Can virtual appear in a friend declaration?	Clang 3.5
478	NAD	May a function parameter be an array of an abstract class type?	Yes
479	CD1	Copy elision in exception handling	Yes
480	CD1	Is a base of a virtual base also virtual?	Yes
481	CD2	Scope of template parameters	Yes
482	CD3	Qualified declarators in redeclarations	Clang 3.5
483	CD3	Normative requirements on integral ranges	Yes
484	CD1	Can a base-specifier name a cv-qualified class type?	Yes
485	CD1	What is a “name”?	Yes
486	CD1	Invalid return types and template argument deduction	Yes
487	NAD	Operator overloading in constant expressions	Yes
488	CD1	Local types, overload resolution, and template argument deduction	Yes (C++11 onwards)
489	NAD	Must member function templates be instantiated during overload resolution?	N/A
490	CD2	Name lookup in friend declarations	Yes
491	CD1	Initializers for empty-class aggregrate members	Duplicate of 413
492	CD1	typeid constness inconsistent with example	Unknown
493	CD2	Type deduction from a bool context	Duplicate of 976
494	CD1	Problems with the resolution of issue 45	Duplicate of 372
495	CD2	Overload resolution with template and non-template conversion functions	Clang 3.5
496	CD3	Is a volatile-qualified type really a POD?	Superseded by 2094
497	CD1	Missing required initialization in example	Superseded by 253
498	open	Storage class specifiers in definitions of class members	Not resolved
499	CD2	Throwing an array of unknown size	Yes
500	CD1	Access in base-specifiers of friend and nested classes	Duplicate of 372
501	NAD	Visibility of friend declarations within the befriending class	Yes
502	C++11	Dependency of nested enumerations and enumerators	Yes
503	open	Cv-qualified function types in template argument deduction	Not resolved
504	open	Should use of a variable in its own initializer require a diagnostic?	Not resolved
505	CD1	Conditionally-supported behavior for unknown character escapes	Yes
506	CD1	Conditionally-supported behavior for non-POD objects passed to ellipsis	Yes
507	dup	Ambiguity assigning class object to built-in type	Duplicate of 260
508	C++11	Non-constructed value-initialized objects	N/A
509	CD1	Dead code in the specification of default initialization	N/A
510	CD1	Default initialization of POD classes?	N/A
511	open	POD-structs with template assignment operators	Not resolved
512	NAD	Union members with user-declared non-default constructors	Yes
513	CD1	Non-class “most-derived” objects	N/A
514	CD1	Is the initializer for a namespace member in the scope of the namespace?	Yes
515	CD1	Non-dependent references to base class members	Superseded by 1017
516	CD1	Use of signed in bit-field declarations	N/A
517	CD1	Partial specialization following explicit instantiation	No
518	CD1	Trailing comma following enumerator-list	Yes (C++11 onwards)
519	CD1	Null pointer preservation in void* conversions	Yes
520	CD1	Old-style casts between incomplete class types	N/A
521	CD1	Requirements for exceptions thrown by allocation functions	No
522	CD1	Array-to-pointer decay in template argument deduction	Yes
523	open	Can a one-past-the-end pointer be invalidated by deleting an adjacent object?	Not resolved
524	CD1	Can function-notation calls to operator functions be dependent?	Yes
525	CD1	Missing * in example	Yes
526	CD1	Confusing aspects in the specification of non-deduced contexts	Yes
527	CD2	Problems with linkage of types	N/A
528	open	Why are incomplete class types not allowed with typeid?	Not resolved
529	drafting	Use of template<> with “explicitly-specialized” class templates	Not resolved
530	CD1	Nontype template arguments in constant expressions	Yes
531	C++11	Defining members of explicit specializations	Partial
532	C++11	Member/nonmember operator template partial ordering	Clang 3.5
533	NAD	Special treatment for C-style header names	N/A
534	CD1	template-names and operator-function-ids	Yes
535	CD3	Copy construction without a copy constructor	Yes
536	drafting	Problems in the description of id-expressions	Not resolved
537	CD1	Definition of “signature”	N/A
538	CD1	Definition and usage of structure, POD-struct, POD-union, and POD class	N/A
539	CD3	Constraints on type-specifier-seq	Yes
540	CD1	Propagation of cv-qualifiers in reference-to-reference collapse	Yes
541	CD2	Dependent function types	Yes
542	CD2	Value initialization of arrays of POD-structs	Yes
543	CD1	Value initialization and default constructors	Yes
544	NAD	Base class lookup in explicit specialization	Yes
545	open	User-defined conversions and built-in operator overload resolution	Not resolved
546	C++11	Explicit instantiation of class template members	Yes
547	C++11	Partial specialization on member function types	Yes
548	dup	qualified-ids in declarations	Duplicate of 482
549	drafting	Non-deducible parameters in partial specializations	Not resolved
550	dup	Pointer to array of unknown bound in parameter declarations	Unknown
551	CD1	When is inline permitted in an explicit instantiation?	Yes (C++11 onwards)
552	NAD	Use of typename in the type in a non-type parameter-declaration	Yes
553	NAD	Problems with friend allocation and deallocation functions	Unknown
554	drafting	Definition of “declarative region” and “scope”	Not resolved
555	drafting	Pseudo-destructor name lookup	Not resolved
556	CD2	Conflicting requirements for acceptable aliasing	N/A
557	CD1	Does argument-dependent lookup cause template instantiation?	Yes
558	CD1	Excluded characters in universal character names	Yes
559	CD1	Editing error in issue 382 resolution	Yes
560	drafting	Use of the typename keyword in return types	Not resolved
561	CD2	Internal linkage functions in dependent name lookup	Yes
562	open	qualified-ids in non-expression contexts	Not resolved
563	open	Linkage specification for objects	Not resolved
564	CD2	Agreement of language linkage or linkage-specifications?	Yes
565	CD3	Conflict rules for using-declarations naming function templates	Yes
566	NAD	Conversion of negative floating point values to integer type	Yes
567	NAD	Can size_t and ptrdiff_t be larger than long?	N/A
568	CD1	Definition of POD is too strict	Yes (C++11 onwards)
569	CD2	Spurious semicolons at namespace scope should be allowed	Yes (C++11 onwards)
570	CD2	Are references subject to the ODR?	Duplicate of 633
571	CD2	References declared const	Unknown
572	C++11	Standard conversions for non-built-in types	Yes
573	C++11	Conversions between function pointers and void*	No
574	NAD	Definition of “copy assignment operator”	Yes
575	C++11	Criteria for deduction failure	Yes
576	CD2	Typedefs in function definitions	Yes
577	CD3	void in an empty parameter list	Yes
578	open	Phase 1 replacement of characters with universal-character-names	Not resolved
579	open	What is a “nested” > or >>?	Not resolved
580	C++11	Access in template-parameters of member and friend definitions	Partial
581	DRWP	Can a templated constructor be explicitly instantiated or specialized?	Unknown
582	CD1	Template conversion functions	N/A
583	CD3	Relational pointer comparisons against the null pointer constant	Clang 4
584	NAD	Unions and aliasing	N/A
585	NAD	Friend template template parameters	Yes
586	NAD	Default template-arguments and template argument deduction	N/A
587	CD2	Lvalue operands of a conditional expression differing only in cv-qualification	Yes
588	CD2	Searching dependent bases of classes local to function templates	Yes
589	CD2	Direct binding of class and array rvalues in reference initialization	Yes
590	C++11	Nested classes and the “current instantiation”	Yes
591	CD4	When a dependent base class is the current instantiation	No
592	CD1	Exceptions during construction of local static objects	N/A
593	NAD	Falling off the end of a destructor's function-try-block handler	Unknown
594	CD1	Coordinating issues 119 and 404 with delegating constructors	N/A
595	dup	Exception specifications in templates instantiated from class bodies	Duplicate of 1330
596	NAD	Replacing an exception object	Unknown
597	CD3	Conversions applied to out-of-lifetime non-POD lvalues	N/A
598	CD2	Associated namespaces of overloaded functions and function templates	Yes
599	CD2	Deleting a null function pointer	Partial
600	open	Does access control apply to members or to names?	Not resolved
601	CD2	Type of literals in preprocessing expressions	Yes
602	C++11	When is the injected-class-name of a class template a template?	Yes
603	CD1	Type equivalence and unsigned overflow	Yes
604	CD2	Argument list for overload resolution in copy-initialization	N/A
605	C++11	Linkage of explicit specializations	Unknown
606	CD1	Template argument deduction for rvalue references	Yes
607	open	Lookup of mem-initializer-ids	Not resolved
608	CD2	Determining the final overrider of a virtual function	Yes
609	CD4	What is a “top-level” cv-qualifier?	Unknown
610	NAD	Computing the negative of 0U	Yes
611	CD2	Zero-initializing references	Yes
612	CD2	Requirements on a conforming implementation	N/A
613	CD1	Unevaluated uses of non-static class members	Yes (C++11 onwards)
614	CD1	Results of integer / and %	Yes
615	C++11	Incorrect description of variables that can be initialized	Yes
616	CD3	Definition of “indeterminate value”	Clang 4
617	drafting	Lvalue-to-rvalue conversions of uninitialized char objects	Not resolved
618	CD2	Casts in preprocessor conditional expressions	Yes
619	C++11	Completeness of array types	Yes
620	CD1	Declaration order in layout-compatible POD structs	Duplicate of 568
621	C++11	Template argument deduction from function return types	Unknown
622	NAD	Relational comparisons of arbitrary pointers	Unknown
623	CD3	Use of pointers to deallocated storage	N/A
624	CD1	Overflow in calculating size of allocation	Unknown
625	CD2	Use of auto as a template-argument	Yes
626	CD2	Preprocessor string literals	Yes
627	NAD	Values behaving as types	Yes
628	CD2	The values of an enumeration with no enumerator	N/A
629	CD1	auto parsing ambiguity	Yes
630	CD2	Equality of narrow and wide character values in the basic character set	Yes
631	CD3	Jumping into a “then” clause	N/A
632	CD1	Brace-enclosed initializer for scalar member of aggregate	Yes
633	CD2	Specifications for variables that should also apply to references	N/A
634	CD1	Conditionally-supported behavior for non-POD objects passed to ellipsis redux	Yes
635	NAD	Names of constructors and destructors of templates	Yes
636	CD4	Dynamic type of objects and aliasing	Unknown
637	CD1	Sequencing rules and example disagree	Yes
638	CD2	Explicit specialization and friendship	No
639	CD1	What makes side effects “different” from one another?	Yes
640	open	Accessing destroyed local objects of static storage duration	Not resolved
641	CD2	Overload resolution and conversion-to-same-type operators	Yes
642	CD2	Definition and use of “block scope” and “local scope”	Yes
643	NAD	Use of decltype in a class member-specification	Yes
644	CD1	Should a trivial class type be a literal type?	Partial
645	CD2	Are bit-field and non-bit-field members layout compatible?	N/A
646	NAD	Can a class with a constexpr copy constructor be a literal type?	Superseded by 981
647	CD1	Non-constexpr instances of constexpr constructor templates	Yes
648	CD1	Constant expressions in constexpr initializers	Yes
649	CD1	Optionally ill-formed extended alignment requests	Yes
650	CD2	Order of destruction for temporaries bound to the returned value of a function	Unknown
651	CD1	Problems in decltype specification and examples	Yes
652	CD2	Compile-time evaluation of floating-point expressions	Yes
653	CD2	Copy assignment of unions	Unknown
654	CD1	Conversions to and from nullptr_t	Superseded by 1423
655	C++11	Initialization not specified for forwarding constructors	Yes
656	CD2	Direct binding to the result of a conversion operator	Yes
657	CD2	Abstract class parameter in synthesized declaration	Partial
658	CD2	Defining reinterpret_cast for pointer types	Unknown
659	CD1	Alignment of function types	Yes
660	CD1	Unnamed scoped enumerations	Yes
661	CD1	Semantics of arithmetic comparisons	Unknown
662	NAD	Forming a pointer to a reference type	Yes
663	CD1	Valid Cyrillic identifier characters	Yes (C++11 onwards)
664	CD2	Direct binding of references to non-class rvalue references	Yes
665	CD2	Problems in the specification of dynamic_cast	Yes
666	CD1	Dependent qualified-ids without the typename keyword	Yes
667	CD2	Trivial special member functions that cannot be implicitly defined	Yes
668	CD2	Throwing an exception from the destructor of a local static object	Unknown
669	NAD	Confusing specification of the meaning of decltype	Yes
670	open	Copy initialization via derived-to-base conversion in the second step	Not resolved
671	CD1	Explicit conversion from a scoped enumeration type to integral type	Yes
672	CD2	Sequencing of initialization in new-expressions	Unknown
673	NAD	Injection of names from elaborated-type-specifiers in friend declarations	Yes
674	C++11	“matching specialization” for a friend declaration	Clang 8
675	CD3	Signedness of bit-field with typedef or template parameter type	Duplicate of 739
676	C++11	static_assert-declarations and general requirements for declarations	N/A
677	CD1	Deleted operator delete and virtual destructors	No
678	C++11	Language linkage of member function parameter types and the ODR	Unknown
679	CD1	Equivalence of template-ids and operator function templates	Yes
680	CD2	What is a move constructor?	N/A
681	CD1	Restrictions on declarators with late-specified return types	Partial
682	DRWP	Missing description of lookup of template aliases	Unknown
683	CD1	Requirements for trivial subobject special functions	Yes
684	CD1	Constant expressions involving the address of an automatic variable	Superseded by 1454
685	CD2	Integral promotion of enumeration ignores fixed underlying type	Yes
686	CD1	Type declarations/definitions in type-specifier-seqs and type-ids	Yes
687	extension	template keyword with unqualified-ids	Extension
688	CD1	Constexpr constructors and static initialization	Unknown
689	open	Maximum values of signed and unsigned integers	Not resolved
690	CD2	The dynamic type of an rvalue reference	Unknown
691	C++11	Template parameter packs in class template partial specializations	Unknown
692	C++11	Partial ordering of variadic class template partial specializations	No
693	CD2	New string types and deprecated conversion	Unknown
694	C++11	Zero- and value-initialization of union objects	Unknown
695	CD2	Compile-time calculation errors in constexpr functions	Unknown
696	C++11	Use of block-scope constants in local classes	Yes
697	open	Deduction rules apply to more than functions	Not resolved
698	open	The definition of “sequenced before” is too narrow	Not resolved
699	CD2	Must constexpr member functions be defined in the class member-specification?	Unknown
700	C++11	Constexpr member functions of class templates	Unknown
701	CD2	When is the array-to-pointer conversion applied?	Unknown
702	CD2	Preferring conversion to std::initializer_list	Unknown
703	CD2	Narrowing for literals that cannot be exactly represented	Unknown
704	CD2	To which postfix-expressions does overload resolution apply?	Unknown
705	CD2	Suppressing argument-dependent lookup via parentheses	Yes
706	NAD	Use of auto with rvalue references	Unknown
707	CD2	Undefined behavior in integral-to-floating conversions	Unknown
708	open	Partial specialization of member templates of class templates	Not resolved
709	C++11	Enumeration names as nested-name-specifiers in deduction failure	Unknown
710	CD2	Data races during construction	Unknown
711	CD2	auto with braced-init-list	Unknown
712	CD3	Are integer constant operands of a conditional-expression “used?”	Partial
713	CD2	Unclear note about cv-qualified function types	Unknown
714	CD2	Static const data members and braced-init-lists	Unknown
715	CD2	Class member access constant expressions	Unknown
716	CD2	Specifications that should apply only to non-static union data members	Unknown
717	CD2	Unintentional restrictions on the use of thread_local	Unknown
718	open	Non-class, non-function friend declarations	Not resolved
719	CD2	Specifications for operator-function-id that should also apply to literal-operator-id	Unknown
720	CD2	Need examples of lambda-expressions	Unknown
721	CD2	Where must a variable be initialized to be used in a constant expression?	Unknown
722	CD2	Can nullptr be passed to an ellipsis?	Unknown
726	CD2	Atomic and non-atomic objects in the memory model	Unknown
727	C++17	In-class explicit specializations	Partial
728	extension	Restrictions on local classes	Extension
729	CD3	Qualification conversions and handlers of reference-to-pointer type	Unknown
730	CD2	Explicit specializations of members of non-template classes	Unknown
731	CD2	Omitted reference qualification of member function type	Unknown
732	CD2	Late-specified return types in function definitions	Unknown
733	NAD	Reference qualification of copy assignment operators	Unknown
734	CD2	Are unique addresses required for namespace-scope variables?	Unknown
735	CD2	Missing case in specification of safely-derived pointers	Unknown
736	NAD	Is the & ref-qualifier needed?	Unknown
737	CD2	Uninitialized trailing characters in string initialization	Unknown
738	C++11	constexpr not permitted by the syntax of constructor declarations	Unknown
739	CD3	Signedness of plain bit-fields	Unknown
740	CD2	Incorrect note on data races	Unknown
741	C++11	“plain” long long bit-fields	Unknown
742	open	Postfix increment/decrement with long bit-field operands	Not resolved
743	CD2	Use of decltype in a nested-name-specifier	Unknown
744	CD2	Matching template arguments with template template parameters with parameter packs	Unknown
745	open	Effect of ill-formedness resulting from #error	Not resolved
746	CD2	Use of auto in new-expressions	Unknown
747	dup	Access of protected base classes	Unknown
749	CD2	References to function types with a cv-qualifier or ref-qualifier	Unknown
750	CD2	Implementation constraints on reference-only closure objects	Unknown
751	CD2	Deriving from closure classes	Unknown
752	CD2	Name lookup in nested lambda-expressions	Unknown
753	CD2	Array names in lambda capture sets	Unknown
754	CD2	Lambda expressions in default arguments of block-scope function declarations	Unknown
755	CD3	Generalized lambda-captures	Unknown
756	CD2	Dropping cv-qualification on members of closure objects	Unknown
757	CD2	Types without linkage in declarations	Unknown
758	C++11	Missing cases of declarations that are not definitions	Unknown
759	CD2	Destruction of closure objects	Unknown
760	CD2	this inside a nested class of a non-static member function	Unknown
761	CD2	Inferred return type of closure object call operator	Unknown
762	CD2	Name lookup in the compound-statement of a lambda expression	Unknown
763	CD2	Is a closure object's operator() inline?	Unknown
764	CD2	Capturing unused variables in a lambda expression	Unknown
765	CD2	Local types in inline functions with external linkage	Unknown
766	CD2	Where may lambda expressions appear?	Unknown
767	CD2	void and other unnamed lambda-parameters	Unknown
768	CD2	Ellipsis in a lambda parameter list	Unknown
769	CD2	Initialization of closure objects	Unknown
770	CD2	Ambiguity in late-specified return type	Unknown
771	CD2	Move-construction of reference members of closure objects	Unknown
772	CD2	capture-default in lambdas in local default arguments	Unknown
773	C++11	Parentheses in address non-type template arguments	Unknown
774	CD2	Can a closure class be a POD?	Unknown
775	CD2	Capturing references to functions	Unknown
776	CD2	Delegating constructors, destructors, and std::exit	Unknown
777	CD2	Default arguments and parameter packs	Clang 3.7
778	C++11	Template parameter packs in non-type template parameters	Unknown
779	CD2	Rvalue reference members of closure objects?	Unknown
782	CD2	Lambda expressions and argument-dependent lookup	Unknown
783	open	Definition of “argument”	Not resolved
784	C++11	List of incompatibilities with the previous Standard	Unknown
785	CD2	“Execution sequence” is inappropriate phraseology	Unknown
786	CD2	Definition of “thread”	Unknown
787	CD2	Unnecessary lexical undefined behavior	Unknown
788	CD2	Relationship between locale and values of the execution character set	Unknown
789	CD2	Deprecating trigraphs	Unknown
790	CD2	Concatenation of raw and non-raw string literals	Unknown
792	CD2	Effects of std::quick_exit	Unknown
793	CD2	Use of class members during destruction	Unknown
794	extension	Base-derived conversion in member type of pointer-to-member conversion	Extension
795	NAD	Dependency of lambdas on <functional>	Unknown
796	CD2	Lifetime of a closure object with members captured by reference	Unknown
797	CD2	Converting a no-capture lambda to a function type	Unknown
798	C++11	Overloaded subscript operator described in clause 5	Unknown
799	CD2	Can reinterpret_cast be used to cast an operand to its own type?	Unknown
800	NAD	Safely-derived pointers and object pointers converted from function pointers	Unknown
801	CD2	Casting away constness in a cast to rvalue reference type	Unknown
803	CD2	sizeof an enumeration type with a fixed underlying type	Unknown
804	CD2	Deducing the type in new auto(x)	Unknown
805	CD2	Which exception to throw for overflow in array size calculation	Unknown
806	CD2	Enumeration types in integral constant expressions	Unknown
807	NAD	typeid expressions in constant expressions	Unknown
808	CD2	Non-type decl-specifiers versus max-munch	Unknown
809	CD2	Deprecation of the register keyword	Unknown
810	CD2	Block-scope thread_local variables should be implicitly static	Unknown
811	CD2	Unclear implications of const-qualification	Unknown
812	CD2	Duplicate names in inline namespaces	Unknown
813	open	typename in a using-declaration with a non-dependent name	Not resolved
814	CD2	Attribute to indicate that a function throws nothing	Unknown
815	CD2	Parameter pack expansion inside attributes	Unknown
816	CD2	Diagnosing violations of [[final]]	Unknown
817	CD2	Meaning of [[final]] applied to a class definition	Unknown
818	CD2	Function parameter packs in non-final positions	Unknown
819	NAD	Access control and deleted implicitly-declared special member functions	Unknown
820	CD2	Deprecation of export	Unknown
822	NAD	Additional contexts for template aliases	Unknown
823	CD2	Literal types with constexpr conversions as non-type template arguments	Unknown
828	CD2	Destruction of exception objects	Unknown
829	NAD	At what point is std::unexpected called?	Unknown
830	CD2	Deprecating exception specifications	Unknown
831	CD2	Limit on recursively nested template instantiations	Unknown
832	CD2	Value of preprocessing numbers	Unknown
833	CD2	Explicit conversion of a scoped enumeration value to a floating type	Unknown
834	CD2	What is an “ordinary string literal”?	Unknown
835	CD2	Scoped enumerations and the “usual arithmetic conversions”	Unknown
836	NAD	[[noreturn]] applied to function types	Unknown
837	C++11	Constexpr functions and return braced-init-list	Unknown
838	C++11	Use of this in a brace-or-equal-initializer	Unknown
839	dup	sizeof with opaque enumerations	Unknown
840	CD2	Rvalue references as nontype template parameters	Unknown
842	CD2	Casting to rvalue reference type	Unknown
845	CD2	What is the “first declaration” of an explicit specialization?	Unknown
846	CD2	Rvalue references to functions	Unknown
847	CD2	Error in rvalue reference deduction example	Unknown
850	CD2	Restrictions on use of non-static data members	Unknown
852	open	using-declarations and dependent base classes	Not resolved
853	CD2	Support for relaxed pointer safety	Unknown
854	CD2	Left shift and unsigned extended types	Unknown
855	CD2	Incorrect comments in braced-init-list assignment example	Unknown
858	CD2	Example binding an rvalue reference to an lvalue	Unknown
860	C++11	Explicit qualification of constexpr member functions	Unknown
861	CD2	Unintended ambiguity in inline namespace lookup	Unknown
862	CD2	Undefined behavior with enumerator value overflow	Unknown
863	CD2	Rvalue reference cast to incomplete type	Unknown
864	C++11	braced-init-list in the range-based for statement	Unknown
865	CD2	Initializing a std::initializer_list	Unknown
869	CD2	Uninitialized thread_local objects	Unknown
872	CD2	Lexical issues with raw strings	Unknown
873	C++11	Deducing rvalue references in declarative contexts	Unknown
874	CD2	Class-scope definitions of enumeration types	Unknown
876	CD2	Type references in rvalue reference deduction specification	Unknown
877	CD2	Viable functions and binding references to rvalues	Unknown
879	CD2	Missing built-in comparison operators for pointer types	Unknown
880	CD2	Built-in conditional operator for scoped enumerations	Unknown
882	CD2	Defining main as deleted	Unknown
883	CD2	std::memcpy vs std::memmove	Unknown
884	CD2	Defining an explicitly-specialized static data member	Unknown
885	NAD	Partial ordering of function templates with unordered parameter pairs	Unknown
886	CD2	Member initializers and aggregates	Unknown
887	CD2	Move construction of thrown object	Unknown
888	CD2	Union member initializers	Unknown
891	CD2	const_cast to rvalue reference from objectless rvalue	Unknown
892	C++11	Missing requirements for constexpr constructors	Unknown
893	NAD	Brace syntax for enumerator-definitions	Unknown
896	CD2	Rvalue references and rvalue-reference conversion functions	Unknown
897	open	_Pragma and extended string-literals	Not resolved
898	C++11	Declarations in constexpr functions	Unknown
899	CD2	Explicit conversion functions in direct class initialization	Unknown
900	extension	Lifetime of temporaries in range-based for	Extension
901	drafting	Deleted operator delete	Not resolved
902	NAD	In-class initialization of non-constant static data members	Unknown
903	CD3	Value-dependent integral null pointer constants	Unknown
904	CD2	Parameter packs in lambda-captures	Unknown
905	CD2	Explicit defaulted copy constructors and trivial copyability	Unknown
906	CD2	Which special member functions can be defaulted?	Unknown
908	CD2	Deleted global allocation and deallocation functions	Unknown
909	NAD	Old-style casts with conversion functions	Unknown
910	CD2	Move constructors and implicitly-declared copy constructors	Unknown
912	CD3	Character literals and universal-character-names	Unknown
913	CD2	Deduction rules for array- and function-type conversion functions	Unknown
914	extension	Value-initialization of array types	Extension
915	CD2	Deleted specializations of member function templates	Unknown
916	open	Does a reference type have a destructor?	Not resolved
919	CD2	Contradictions regarding inline namespaces	Unknown
920	CD2	Interaction of inline namespaces and using-declarations	Unknown
921	CD2	Unclear specification of inline namespaces	Unknown
922	CD2	Implicit default constructor definitions and const variant members	Unknown
923	CD2	Inline explicit specializations	Unknown
924	C++11	alias-declaration as a class member	Unknown
925	open	Type of character literals in preprocessor expressions	Not resolved
926	CD2	Inline unnamed namespaces	Unknown
927	CD2	Implicitly-deleted default constructors and member initializers	Unknown
928	CD2	Defaulting a function that would be implicitly defined as deleted	Unknown
929	CD2	What is a template alias?	Unknown
930	CD2	alignof with incomplete array type	Unknown
931	CD2	Confusing reference to the length of a user-defined string literal	Unknown
932	CD2	UCNs in closing delimiters of raw string literals	Unknown
933	CD2	32-bit UCNs with 16-bit wchar_t	Unknown
934	CD2	List-initialization of references	Unknown
935	CD2	Missing overloads for character types for user-defined literals	Unknown
936	CD2	Array initialization with new string literals	Unknown
937	NAD	Restrictions on values of template arguments in user-defined literals	Unknown
938	C++11	Initializer lists and array new	Unknown
939	CD2	Explicitly checking virtual function overriding	Unknown
940	CD2	Global anonymous unions	Unknown
941	C++11	Explicit specialization of deleted function template	Unknown
942	CD2	Is this an entity?	Unknown
943	DRWP	Is T() a temporary?	Unknown
944	extension	reinterpret_cast for all types with the same size and alignment	Extension
945	C++11	Use of this in a late-specified return type	Unknown
946	CD2	Order of destruction of local static objects and calls to std::atexit	Unknown
947	NAD	Deducing type template arguments from default function arguments	Unknown
948	C++11	constexpr in conditions	Clang 3.7
949	open	Requirements for freestanding implementations	Not resolved
950	CD2	Use of decltype as a class-name	Unknown
951	CD2	Problems with attribute-specifiers	Unknown
952	drafting	Insufficient description of “naming class”	Not resolved
953	CD2	Rvalue references and function viability	Unknown
954	open	Overload resolution of conversion operator templates with built-in types	Not resolved
955	CD2	Can a closure type's operator() be virtual?	Unknown
956	CD2	Function prototype scope with late-specified return types	Unknown
957	CD2	Alternative tokens and attribute-tokens	Unknown
958	NAD	Lambdas and decltype	Unknown
959	CD2	Alignment attribute for class and enumeration types	Unknown
960	CD2	Covariant functions and lvalue/rvalue references	Unknown
961	CD2	Overload resolution and conversion of std::nullptr_t to bool	Unknown
962	CD2	Attributes appertaining to class and enum types	Unknown
963	CD2	Comparing nullptr with 0	Unknown
964	C++11	Incorrect description of when the lvalue-to-rvalue conversion applies	Unknown
965	CD2	Limiting the applicability of the carries_dependency attribute	Unknown
966	CD2	Nested types without linkage	Unknown
967	NAD	Exception specification of replacement allocation function	Unknown
968	CD2	Syntactic ambiguity of the attribute notation	Unknown
969	CD2	Explicit instantiation declarations of class template specializations	Unknown
970	CD2	Consistent use of “appertain” and “apply”	Unknown
971	C++11	Incorrect treatment of exception-declarations	Unknown
972	C++11	Allowing multiple attribute-specifiers	Unknown
973	CD2	Function types in exception-specifications	Unknown
974	CD3	Default arguments for lambdas	Yes
975	CD3	Restrictions on return type deduction for lambdas	Unknown
976	CD2	Deduction for const T& conversion operators	Unknown
977	CD3	When is an enumeration type complete?	Unknown
978	CD2	Incorrect specification for copy initialization	Unknown
979	CD2	Position of attribute-specifier in declarator syntax	Unknown
980	CD2	Explicit instantiation of a member of a class template	Unknown
981	C++11	Constexpr constructor templates and literal types	Unknown
982	NAD	Initialization with an empty initializer list	Unknown
983	CD2	Ambiguous pointer-to-member constant	Unknown
984	CD2	“Deduced type” is unclear in auto type deduction	Unknown
985	C++11	Alternative tokens and user-defined literals	Unknown
986	CD2	Transitivity of using-directives versus qualified lookup	Unknown
987	CD4	Which declarations introduce namespace members?	Unknown
988	CD2	Reference-to-reference collapsing with decltype	Unknown
989	CD2	Misplaced list-initialization example	Unknown
990	CD2	Value initialization with multiple initializer-list constructors	Clang 3.5
991	CD2	Reference parameters of constexpr functions and constructors	Unknown
992	NAD	Inheriting explicitness	Unknown
993	C++11	Freedom to perform instantiation at the end of the translation unit	Unknown
994	C++11	braced-init-list as a default argument	Unknown
995	CD2	Incorrect example for using-declaration and explicit instantiation	Unknown
996	C++11	Ambiguous partial specializations of member class templates	Unknown
997	C++11	Argument-dependent lookup and dependent function template parameter types	Unknown
998	dup	Function parameter transformations and template functions	Unknown
999	CD2	“Implicit” or “implied” object argument/parameter?	Unknown
1000	CD2	Mistaking member typedefs for constructors	Unknown
1001	drafting	Parameter type adjustment in dependent parameter types	Not resolved
1002	NAD	Pack expansion for function arguments	Unknown
1003	CD3	Acceptable definitions of main	Unknown
1004	C++11	Injected-class-names as arguments for template template parameters	Clang 5
1005	NAD	Qualified name resolution in member functions of class templates	Unknown
1006	C++11	std::nullptr_t as a non-type template parameter	Unknown
1007	NAD	Protected access and pointers to members	Unknown
1008	extension	Querying the alignment of an object	Extension
1009	C++11	Missing cases in the declarator-id of a function template declaration	Unknown
1010	CD2	Address of object with dynamic storage duration in constant expression	Unknown
1011	C++11	Standard conversions that cannot be inverted	Unknown
1012	C++11	Undeprecating static	Unknown
1013	CD3	Uninitialized std::nullptr_t objects	Unknown
1014	NAD	Overload resolution between const T& and T&&	Unknown
1015	C++11	Template arguments and argument-dependent lookup	Unknown
1016	C++11	Overloadable declarations, function templates, and references	Unknown
1017	C++11	Member access transformation in unevaluated operands	Unknown
1018	C++11	Ambiguity between simple-declaration and attribute-declaration	Unknown
1019	dup	Dependent simple-template-ids in base-specifiers and mem-initializers	Unknown
1020	C++11	Implicitly-defined copy constructors and explicit base class constructors	Unknown
1021	CD4	Definitions of namespace members	Unknown
1022	C++11	Can an enumeration variable have values outside the values of the enumeration?	Unknown
1023	dup	thread_local objects as non-type template arguments	Unknown
1024	CD3	Limits on multicharacter literals	Unknown
1025	C++11	Use of a reference as a non-type template argument	Unknown
1026	NAD	Cv-qualified non-class rvalues	Unknown
1027	drafting	Type consistency and reallocation of scalar types	Not resolved
1028	open	Dependent names in non-defining declarations	Not resolved
1029	C++11	Type of a destructor call	Unknown
1030	C++11	Evaluation order in initializer-lists used in aggregate initialization	Unknown
1031	C++11	Optional elements in attributes	Unknown
1032	C++11	Empty pack expansions	Unknown
1033	C++11	Restrictions on alignment attributes	Unknown
1034	C++11	Attributes for return statements in lambdas	Unknown
1035	C++11	Omitted and required decl-specifiers	Unknown
1036	C++11	Alignment attribute in an exception-declaration	Unknown
1037	C++11	Requirements for operands of delete-expressions and deallocation functions	Unknown
1038	open	Overload resolution of &x.static_func	Not resolved
1039	dup	Coordinating C and C++ alignment specifications	Unknown
1040	NAD	Memory model issues	Unknown
1041	dup	alias-declarations as class members	Unknown
1042	C++11	Attributes in alias-declarations	Unknown
1043	C++11	Qualified name lookup in the current instantiation	Unknown
1044	C++11	Point of declaration for an alias-declaration	Unknown
1045	NAD	Requiring explicit instantiation declarations	Unknown
1046	open	What is a “use” of a class specialization?	Not resolved
1047	C++11	When is typeid value-dependent?	Unknown
1048	CD3	auto deduction and lambda return type deduction.	Clang 3.6
1049	open	Copy elision through reference parameters of inline functions	Not resolved
1050	NAD	Effects of thread support on object lifetime	Unknown
1051	C++11	Reference members and generated copy constructors	Unknown
1052	dup	const non-static data member and PODness	Unknown
1053	NAD	Terminate vs undefined behavior for noexcept violation	Unknown
1054	C++11	Lvalue-to-rvalue conversions in expression statements	No
1055	C++11	Permissible uses of void	Unknown
1056	C++11	Template aliases, member definitions, and the current instantiation	Unknown
1057	C++11	decltype and the current instantiation	Unknown
1058	NAD	Reference binding of incompatible array types	Unknown
1059	CD3	Cv-qualified array types (with rvalues)	Unknown
1060	C++11	Scoped enumerators in integral constant expressions	Unknown
1061	C++11	Negative array bounds in a new-expression	Unknown
1062	C++11	Syntax of attribute-specifiers in lambdas	Unknown
1063	C++11	[[hiding]] with non-attribute declarations	Unknown
1064	C++11	Defaulted move constructor for a union	Unknown
1065	C++11	[[hiding]] with [[override]]	Unknown
1066	C++11	When is a copy/move assignment operator implicitly defined?	Unknown
1067	NAD	[[hiding]], using-declarations, and multiple inheritance	Unknown
1068	C++11	Template aliases with default arguments and template parameter packs	Unknown
1069	C++11	Incorrect function type with trailing-return-type	Unknown
1070	C++11	Missing initializer clauses in aggregate initialization	Clang 3.5
1071	C++11	Literal class types and trivial default constructors	Unknown
1072	C++11	Scoped enumerator with the same name as its containing class	Unknown
1073	C++11	Merging dynamic-exception-specifications and noexcept-specifications	Unknown
1074	C++11	Value-dependent noexcept-expressions	Unknown
1075	C++11	Grammar does not allow template alias in type-name	Unknown
1076	DRWP	Value categories and lvalue temporaries	Unknown
1077	extension	Explicit specializations in non-containing namespaces	Extension
1078	NAD	Narrowing and the usual arithmetic conversions	Unknown
1079	C++11	Overload resolution involving aggregate initialization	Unknown
1080	C++11	Confusing relationship between templates and copy constructors	Unknown
1081	C++11	Defaulted destructor and unusable operator delete	Unknown
1082	C++11	Implicit copy function if subobject has none?	Unknown
1083	C++11	Passing an object to ellipsis with non-trivial move constructor	Unknown
1084	NAD	Conditions for a deleted move function	Unknown
1085	NAD	Move assignment operators and virtual bases	Unknown
1086	C++11	const_cast to rvalue reference to function type	Unknown
1087	C++11	Additional applications of issue 899	Unknown
1088	C++11	Dependent non-type template arguments	Unknown
1089	drafting	Template parameters in member selections	Not resolved
1090	C++11	Alignment of subobjects	Unknown
1091	C++11	Inconsistent use of the term “object expression”	Unknown
1092	drafting	Cycles in overload resolution during instantiation	Not resolved
1093	CD3	Value-initializing non-objects	Unknown
1094	C++11	Converting floating-point values to scoped enumeration types	Unknown
1095	C++11	List-initialization of references	Unknown
1096	C++11	Missing requirement for template definitions	Unknown
1097	NAD	Aggregate initialization of function parameters	Unknown
1098	C++11	Pointer conversions in constant expressions	Unknown
1099	C++11	Infinite recursion in constexpr functions	Unknown
1100	C++11	constexpr conversion functions and non-type template arguments	Unknown
1101	C++11	Non-integral initialized static data members	Unknown
1102	C++11	Better example of undefined behavior	Unknown
1103	C++11	Reversion of phase 1 and 2 transformations in raw string literals	Unknown
1104	C++11	Global-scope template arguments vs the <: digraph	Unknown
1105	C++11	Issues relating to TR 10176:2003	Unknown
1106	C++11	Need more detail in nullptr keyword description	Unknown
1107	C++11	Overload resolution for user-defined integer literals	Unknown
1108	NAD	User-defined literals have not been implemented	Unknown
1109	C++11	When is “use” a reference to the ODR meaning?	Unknown
1110	NAD	Incomplete return type should be allowed in decltype operand	Unknown
1111	C++11	Remove dual-scope lookup of member template names	Unknown
1112	C++11	constexpr variables should have internal linkage like const	Unknown
1113	C++11	Linkage of namespace member of unnamed namespace	Partial
1114	C++11	Incorrect use of placement new in example	Unknown
1115	C++11	C-compatible alignment specification	Unknown
1116	CD4	Aliasing of union members	Unknown
1117	C++11	Incorrect note about xvalue member access expressions	Unknown
1118	NAD	Implicit lambda capture via explicit copy constructor	Unknown
1119	C++11	Missing case in description of member access ambiguity	Unknown
1120	C++11	reinterpret_cast and void*	Unknown
1121	C++11	Unnecessary ambiguity error in formation of pointer to member	Unknown
1122	C++11	Circular definition of std::size_t	Unknown
1123	C++11	Destructors should be noexcept by default	Unknown
1124	NAD	Error in description of value category of pointer-to-member expression	Unknown
1125	C++11	Unclear definition of “potential constant expression”	Unknown
1126	C++11	constexpr functions in const initializers	Unknown
1127	C++11	Overload resolution in constexpr functions	Unknown
1128	C++11	attribute-specifiers in decl-specifier-seqs	Unknown
1129	C++11	Default nothrow for constexpr functions	Unknown
1130	C++11	Function parameter type adjustments and decltype	Unknown
1131	C++11	Template aliases in elaborated-type-specifiers	Unknown
1132	NAD	Keyword vs attribute for noreturn	Unknown
1133	C++11	Keywords vs attributes for control of hiding and overriding	Unknown
1134	C++11	When is an explicitly-defaulted function defined?	Unknown
1135	C++11	Explicitly-defaulted non-public special member functions	Unknown
1136	C++11	Explicitly-defaulted explicit constructors	Unknown
1137	C++11	Explicitly-defaulted virtual special member functions	Unknown
1138	C++11	Rvalue-ness check for rvalue reference binding is wrong	Unknown
1139	C++11	Rvalue reference binding to scalar xvalues	Unknown
1140	C++11	Incorrect redefinition of POD class	Unknown
1141	NAD	Non-static data member initializers have not been implemented	Unknown
1142	C++11	friend declaration of member function of containing class	Unknown
1143	NAD	Move semantics for *this have not been implemented	Unknown
1144	C++11	Remove access declarations	Unknown
1145	C++11	Defaulting and triviality	Unknown
1146	C++11	exception-specifications of defaulted functions	Unknown
1147	C++11	Destructors should be default nothrow	Unknown
1148	C++11	Copy elision and move construction of function parameters	Unknown
1149	C++11	Trivial non-public copy operators in subobjects	Unknown
1150	NAD	Inheriting constructors have not been implemented	Unknown
1151	C++11	Overload resolution with initializer-list and non-list constructors	Unknown
1152	C++11	Rules for determining existence of implicit conversion sequence	Unknown
1153	C++11	Type matching in address of overloaded function	Unknown
1154	C++11	Address of thread_local variable as non-type template argument	Unknown
1155	C++11	Internal-linkage non-type template arguments	Unknown
1156	C++11	Partial ordering in a non-call context	Unknown
1157	open	Partial ordering of function templates is still underspecified	Not resolved
1158	C++11	Recursive instantiation via alias template	Unknown
1159	C++11	Class and enumeration definitions in template aliases	Unknown
1160	C++11	Definitions of template members and the current instantiation	Unknown
1161	C++11	Dependent nested-name-specifier in a pointer-to-member declarator	Unknown
1162	NAD	Dependent elaborated-type-specifiers in non-deduced contexts	Unknown
1163	NAD	extern template prevents inlining functions not marked inline	Unknown
1164	C++11	Partial ordering of f(T&) and f(T&&)	Unknown
1165	C++11	Exceptions when destroying array elements	Unknown
1166	C++11	exception-declarations that do not declare objects	Unknown
1167	C++11	function-try-blocks for destructors	Unknown
1168	C++11	Additional reasons to call std::terminate	Unknown
1169	C++11	Missing feature macro for strict pointer safety	Unknown
1170	C++11	Access checking during template argument deduction	Unknown
1171	C++11	Partial stack unwinding with noexcept violation	Unknown
1172	drafting	“instantiation-dependent” constructs	Not resolved
1173	C++11	Unclear specification of effects of signal handling	Unknown
1174	C++11	When is a pure virtual function “used?”	Unknown
1175	C++11	Disambiguating user-defined literals	Unknown
1176	C++11	Definition of release sequence	Unknown
1177	C++11	Intra-thread dependency-ordered-before	Unknown
1178	C++11	Deduction failure matching placement new	Unknown
1179	NAD	Cv-qualification of non-type template parameters	Unknown
1180	C++11	Over-aligned class types	Unknown
1181	C++11	What is a “built-in type?”	Unknown
1182	C++11	Incorrect description of pack expansion syntax	Unknown
1183	C++11	Expansion of parameter packs in declarators	Unknown
1184	C++11	Argument conversions to nondeduced parameter types	Unknown
1185	C++11	Misleading description of language linkage and member function types	Unknown
1186	C++11	Non-dependent constexpr violations in function templates	Unknown
1187	C++11	Problems in initialization example	Unknown
1188	C++11	Type punning in constant expressions	Unknown
1189	C++11	Address of distinct base class subobjects	Unknown
1190	C++11	Operations on non-safely-derived pointers	Unknown
1191	C++11	Deleted subobject destructors and implicitly-defined constructors	Unknown
1192	C++11	Inadvertent change to ODR and templates	Unknown
1193	C++11	Use of address-constant pointers in constant expressions	Unknown
1194	C++11	Constexpr references	Unknown
1195	C++11	References to non-literal types in constexpr functions	Unknown
1196	C++11	Definition required for explicit instantiation after explicit specialization?	Unknown
1197	C++11	Constexpr arrays	Unknown
1198	C++11	Literal types and copy constructors	Unknown
1199	C++11	Deleted constexpr functions	Unknown
1200	open	Lookup rules for template parameters	Not resolved
1201	C++11	Are deleted and defaulted functions definitions?	Unknown
1202	C++11	Calling virtual functions during destruction	Unknown
1203	dup	Misleading note regarding initialized static data members	Unknown
1204	C++11	Specifiers in a for-range-declaration	Unknown
1205	dup	Lvalue reference binding and function viability	Unknown
1206	C++11	Defining opaque enumeration members of class templates	Unknown
1207	C++11	Type of class member in trailing-return-type	Unknown
1208	C++11	Explicit noexcept in defaulted definition	Unknown
1209	open	Is a potentially-evaluated expression in a template definition a “use?”	Not resolved
1210	C++11	Injection of elaborated-type-specifier in enumeration scope	Unknown
1211	drafting	Misaligned lvalues	Not resolved
1212	C++11	Non-function-call xvalues and decltype	Unknown
1213	CD3	Array subscripting and xvalues	Clang 7
1214	C++11	Kinds of initializers	Unknown
1215	C++11	Definition of POD struct	Unknown
1216	C++11	Exceptions “allowed” by a noexcept-specification	Unknown
1217	NAD	Are deleted functions implicitly noexcept?	Unknown
1218	C++11	What is the “currently-handled exception” in a multi-threaded program?	Unknown
1219	C++11	Non-static data member initializers in constant expressions	Unknown
1220	C++11	Looking up conversion-type-ids	Unknown
1221	open	Partial ordering and reference collapsing	Not resolved
1222	NAD	Unnecessary restriction on auto array types	Unknown
1223	drafting	Syntactic disambiguation and trailing-return-types	Not resolved
1224	C++11	constexpr defaulted copy constructors	Unknown
1225	C++11	constexpr constructors and virtual bases	Unknown
1226	CD3	Converting a braced-init-list default argument	Unknown
1227	CD3	Mixing immediate and non-immediate contexts in deduction failure	Unknown
1228	NAD	Copy-list-initialization and explicit constructors	Unknown
1229	C++11	Overload resolution with empty braced-init-list argument	Unknown
1230	open	Confusing description of ambiguity of destructor name	Not resolved
1231	C++11	Variadic templates requiring an empty pack expansion	Unknown
1232	C++11	Creation of array temporaries using a braced-init-list	Unknown
1233	C++11	Pack expansions and dependent calls	Unknown
1234	C++11	abstract-declarator does not permit ... after ptr-operator	Unknown
1235	C++11	“Unused” ellipsis and default arguments in partial ordering	Unknown
1236	C++11	Inconsistently-interrelated examples	Unknown
1237	C++11	Deprecated implicit copy assignment in example	Unknown
1238	C++11	Overloading ambiguity binding reference to function	Unknown
1239	C++11	Hexadecimal floating-point literals vs user-defined literals	Unknown
1240	C++11	constexpr defaulted constructors	Unknown
1241	C++11	Which members does a destructor destroy?	Unknown
1242	C++11	Initializing variant class members	Unknown
1243	C++11	Misleading footnote regarding multiple-declarator declarations	Unknown
1244	C++11	Equivalence of alias templates and class templates	Unknown
1245	C++11	Matching declarations involving decltype	Unknown
1246	C++11	Non-deduced non-final parameter packs	Unknown
1247	CD4	Restriction on alias name appearing in type-id	Unknown
1248	open	Updating Annex C to C99	Not resolved
1249	drafting	Cv-qualification of nested lambda capture	Not resolved
1250	CD3	Cv-qualification of incomplete virtual function return types	Clang 3.9
1251	CD3	C compatibility: casting to unqualified void*	Unknown
1252	drafting	Overloading member function templates based on dependent return type	Not resolved
1253	drafting	Generic non-template members	Not resolved
1254	NAD	odr-use vs template arguments and constexpr functions	Unknown
1255	drafting	Definition problems with constexpr functions	Not resolved
1256	open	Unevaluated operands are not necessarily constant expressions	Not resolved
1257	open	Instantiation via non-dependent references in uninstantiated templates	Not resolved
1258	drafting	“Instantiation context” differs from dependent lookup rules	Not resolved
1259	NAD	Deleting a POD via a pointer to base	Unknown
1260	CD3	Incorrect use of term “overloaded” in description of odr-use	Unknown
1261	CD3	Explicit handling of cv-qualification with non-class prvalues	Unknown
1262	CD3	Default template arguments and deduction failure	Unknown
1263	NAD	Mismatch between rvalue reference binding and overload resolution	Unknown
1264	CD3	Use of this in constexpr constructor	Unknown
1265	CD3	Mixed use of the auto specifier	Clang 5
1266	open	user-defined-integer-literal overflow	Not resolved
1267	CD3	Rvalue reference types in exception-specifications	Unknown
1268	CD3	reinterpret_cast of an xvalue operand	Unknown
1269	CD3	dynamic_cast of an xvalue operand	Unknown
1270	CD3	Brace elision in array temporary initialization	Unknown
1271	DRWP	Imprecise wording regarding dependent types	Unknown
1272	NAD	Implicit definition of static data member of const literal type	Unknown
1273	NAD	Accessibility and function signatures	Unknown
1274	CD4	Common nonterminal for expression and braced-init-list	Unknown
1275	CD3	Incorrect comment in example of template parameter pack restriction	Unknown
1276	NAD	Reference to stdint.h	Unknown
1277	NAD	Lax definition of intmax_t and uintmax_t	Unknown
1278	drafting	Incorrect treatment of contrived object	Not resolved
1279	drafting	Additional differences between C++ 2003 and C++ 2011	Not resolved
1280	NAD	Object reallocation and reference members	Unknown
1281	NAD	Virtual and dependent base classes	Unknown
1282	CD3	Underspecified destructor exception-specification	Unknown
1283	drafting	Static data members of classes with typedef name for linkage purposes	Not resolved
1284	CD4	Should the lifetime of an array be independent of that of its elements?	Unknown
1285	open	Trivial destructors and object lifetime	Not resolved
1286	drafting	Equivalence of alias templates	Not resolved
1287	C++14	Direct initialization vs “implicit” conversion in reference binding	Unknown
1288	CD3	Reference list initialization	Unknown
1289	NAD	Can an alias template name the current instantiation?	Unknown
1290	CD3	Lifetime of the underlying array of an initializer_list member	Unknown
1291	drafting	Looking up a conversion-type-id	Not resolved
1292	CD4	Dependent calls with braced-init-lists containing a pack expansion	Unknown
1293	CD3	String literals in constant expressions	Unknown
1294	drafting	Side effects in dynamic/static initialization	Not resolved
1295	CD3	Binding a reference to an rvalue bit-field	Clang 4
1296	CD3	Ill-formed template declarations (not just definitions)	Unknown
1297	CD3	Misplaced function attribute-specifier	Unknown
1298	CD3	Incorrect example in overload resolution	Unknown
1299	DRWP	“Temporary objects” vs “temporary expressions”	Unknown
1300	dup	T() for array types	Unknown
1301	CD3	Value initialization of union	Unknown
1302	CD3	noexcept applied to expression of type void	Unknown
1303	NAD	C language linkage for template with internal linkage	Unknown
1304	drafting	Omitted array bound with string initialization	Not resolved
1305	CD3	alignof applied to array of unknown size	Unknown
1306	CD3	Modifying an object within a const member function	Unknown
1307	C++14	Overload resolution based on size of array initializer-list	Unknown
1308	CD3	Completeness of class type within an exception-specification	Unknown
1309	CD4	Incorrect note regarding lookup of a member of the current instantiation	Unknown
1310	CD3	What is an “acceptable lookup result?”	Clang 5
1311	CD3	Volatile lvalues in constant expressions	Unknown
1312	CD3	Simulated reinterpret_cast in constant expressions	Unknown
1313	CD3	Undefined pointer arithmetic in constant expressions	Unknown
1314	NAD	Pointer arithmetic within standard-layout objects	Unknown
1315	CD4	Restrictions on non-type template arguments in partial specializations	Partial
1316	NAD	constexpr function requirements and class scope	Unknown
1317	NAD	Unnamed scoped enumerations	Unknown
1318	CD3	Syntactic ambiguities with final	Unknown
1319	NAD	Error in pack expansion example	Unknown
1320	CD3	Converting scoped enumerations to bool	Unknown
1321	CD3	Equivalency of dependent calls	Unknown
1322	drafting	Function parameter type decay in templates	Not resolved
1323	NAD	Nonexistent nonterminal in alignment-specifier grammar	Unknown
1324	CD3	Value initialization and defaulted constructors	Unknown
1325	NAD	Omitted declarator in friend declarations	Unknown
1326	extension	Deducing an array bound from an initializer-list	Extension
1327	CD3	virt-specifier in a defaulted definition	Unknown
1328	CD3	Conflict in reference binding vs overload resolution	Unknown
1329	CD3	Recursive deduction substitutions	Unknown
1330	CD3	Delayed instantiation of noexcept specifiers	Clang 4 (C++11 onwards)
1331	extension	const mismatch with defaulted copy constructor	Extension
1332	drafting	Handling of invalid universal-character-names	Not resolved
1333	CD3	Omission of const in a defaulted copy constructor	Unknown
1334	NAD	Layout compatibility and cv-qualification	Unknown
1335	drafting	Stringizing, extended characters, and universal-character-names	Not resolved
1336	CD3	Definition of “converting constructor”	Unknown
1337	dup	Partial ordering and non-deduced parameters	Unknown
1338	CD4	Aliasing and allocation functions	Unknown
1339	NAD	Parenthesized braced-init-list and arrays	Unknown
1340	CD3	Complete type in member pointer expressions	Unknown
1341	NAD	Bit-field initializers	Unknown
1342	drafting	Order of initialization with multiple declarators	Not resolved
1343	C++17	Sequencing of non-class initialization	Unknown
1344	C++14	Adding new special member functions to a class via default arguments	Unknown
1345	CD3	Initialization of anonymous union class members	Unknown
1346	CD3	expression-list initializers and the auto specifier	Clang 3.5
1347	CD3	Consistency of auto in multiple-declarator declarations	Yes
1348	drafting	Use of auto in a trailing-return-type	Not resolved
1349	dup	Consistency of alias template redeclarations	Unknown
1350	CD3	Incorrect exception specification for inherited constructors	Unknown
1351	CD4	Problems with implicitly-declared exception-specifications	Unknown
1352	CD3	Inconsistent class scope and completeness rules	Unknown
1353	drafting	Array and variant members and deleted special member functions	Not resolved
1354	CD3	Destructor exceptions for temporaries in noexcept expressions	Unknown
1355	CD3	Aggregates and “user-provided” constructors	Unknown
1356	CD4	Exception specifications of copy assignment operators with virtual bases	Unknown
1357	CD3	brace-or-equal-initializers for function and typedef members	Unknown
1358	CD3	Unintentionally ill-formed constexpr function template instances	Yes
1359	CD3	constexpr union constructors	Clang 3.5
1360	drafting	constexpr defaulted default constructors	Not resolved
1361	CD3	Requirement on brace-or-equal-initializers of literal types	Unknown
1362	CD3	Complete type required for implicit conversion to T&	Unknown
1363	CD3	Triviality vs multiple default constructors	Unknown
1364	CD3	constexpr function parameters	Unknown
1365	CD3	Calling undefined constexpr functions	Unknown
1366	CD3	Deleted constexpr constructors and virtual base classes	Unknown
1367	CD3	Use of this in a constant expression	Unknown
1368	CD3	Value initialization and defaulted constructors (part 2)	Unknown
1369	CD3	Function invocation substitution of this	Unknown
1370	CD3	identifier-list cannot contain ellipsis	Unknown
1371	NAD	Deduction from T&& in return types	Unknown
1372	CD3	Cross-references incorrect in conversion function template argument deduction	Unknown
1373	dup	Overload resolution changes matching reference-binding changes	Unknown
1374	CD3	Qualification conversion vs difference in reference binding	Unknown
1375	CD3	Reference to anonymous union?	Unknown
1376	C++14	static_cast of temporary to rvalue reference	Unknown
1377	dup	Access declarations not mentioned in Annex C	Unknown
1378	open	When is an instantiation required?	Not resolved
1379	NAD	Is std::initializer_list an aggregate?	Unknown
1380	CD3	Type definitions in template-parameter parameter-declarations	Unknown
1381	CD3	Implicitly-declared special member functions and default nothrow	Unknown
1382	CD3	Dead code for constructor names	Unknown
1383	CD3	Clarifying discarded-value expressions	Unknown
1384	NAD	reinterpret_cast in constant expressions	Unknown
1385	CD3	Syntactic forms of conversion functions for surrogate call functions	Unknown
1386	NAD	Explicitly-specified partial argument list with multiple parameter packs	Unknown
1387	CD3	Missing non-deduced context for decltype	Unknown
1388	CD3	Missing non-deduced context following a function parameter pack	Clang 4
1389	NAD	Recursive reference in trailing-return-type	Unknown
1390	drafting	Dependency of alias template specializations	Not resolved
1391	CD4	Conversions to parameter types with non-deduced template arguments	Partial
1392	CD3	Explicit conversion functions for references and non-references	Unknown
1393	extension	Pack expansions in using-declarations	Extension
1394	CD3	Incomplete types as parameters of deleted functions	Unknown
1395	C++17	Partial ordering of variadic templates reconsidered	Unknown
1396	drafting	Deferred instantiation and checking of non-static data member initializers	Not resolved
1397	CD4	Class completeness in non-static data member initializers	Unknown
1398	CD3	Non-type template parameters of type std::nullptr_t	Unknown
1399	CD3	Deduction with multiple function parameter packs	Duplicate of 1388
1400	NAD	Function pointer equality	Unknown
1401	CD3	Similar types and reference compatibility	Unknown
1402	CD3	Move functions too often deleted	Unknown
1403	open	Universal-character-names in comments	Not resolved
1404	drafting	Object reallocation in unions	Not resolved
1405	CD3	constexpr and mutable members of literal types	Unknown
1406	CD3	ref-qualifiers and added parameters of non-static member function templates	Unknown
1407	NAD	Integral to bool conversion in converted constant expressions	Unknown
1408	CD3	What is “the same aggregate initialization?”	Unknown
1409	CD3	What is the second standard conversion sequence of a list-initialization sequence?	Unknown
1410	CD3	Reference overload tiebreakers should apply to rvalue references	Unknown
1411	CD3	More on global scope :: in nested-name-specifier	Unknown
1412	CD3	Problems in specifying pointer conversions	Unknown
1413	CD3	Missing cases of value-dependency	Clang 12
1414	drafting	Binding an rvalue reference to a reference-unrelated lvalue	Not resolved
1415	CD3	Missing prohibition of block-scope definition of extern object	Unknown
1416	CD3	Function cv-qualifiers and typeid	Unknown
1417	C++14	Pointers/references to functions with cv-qualifiers or ref-qualifier	Unknown
1418	CD3	Type of initializer_list backing array	Unknown
1419	NAD	Evaluation order in aggregate initialization	Unknown
1420	NAD	Abstract final classes	Unknown
1421	NAD	Full expressions and aggregate initialization	Unknown
1422	dup	Type of character literals containing universal-character-names	Unknown
1423	CD3	Convertibility of nullptr to bool	Clang 11
1424	C++14	When must sub-object destructors be accessible?	Unknown
1425	CD3	Base-class subobjects of standard-layout structs	N/A (ABI constraint)
1426	extension	Allowing additional parameter types in defaulted functions	Extension
1427	NAD	Default constructor and deleted or inaccessible destructors	Unknown
1428	CD3	Dynamic const objects	Unknown
1429	NAD	Scope of a member template's template parameter	Unknown
1430	drafting	Pack expansion into fixed alias template parameter list	Not resolved
1431	CD3	Exceptions from other than throw-expressions	Unknown
1432	drafting	Newly-ambiguous variadic template expansions	Not resolved
1433	extension	trailing-return-type and point of declaration	Extension
1434	NAD	Parenthesized braced-init-list	Unknown
1435	CD3	template-id as the declarator for a class template constructor	Unknown
1436	drafting	Interaction of constant expression changes with preprocessor expressions	Not resolved
1437	CD3	alignas in alias-declaration	Unknown
1438	CD3	Non-dereference use of invalid pointers	Unknown
1439	CD3	Lookup and friend template declarations	Unknown
1440	CD3	Acceptable decltype-specifiers used as nested-name-specifiers	Unknown
1441	C++14	Unclear wording for signal handler restrictions	Unknown
1442	CD3	Argument-dependent lookup in the range-based for	Unknown
1443	NAD	Default arguments and non-static data members	Yes
1444	drafting	Type adjustments of non-type template parameters	Not resolved
1445	dup	Argument-dependent lookup of begin and end	Unknown
1446	CD4	Member function with no ref-qualifier and non-member function with rvalue reference	Unknown
1447	CD3	static_cast of bit-field lvalue to rvalue reference	Unknown
1448	NAD	Integral values of type bool	Unknown
1449	CD3	Narrowing conversion of negative value to unsigned type	Unknown
1450	CD3	INT_MIN % -1	Unknown
1451	extension	Objects with no linkage in non-type template arguments	Extension
1452	drafting	Value-initialized objects may be constants	Not resolved
1453	CD3	Volatile members in literal classes?	Unknown
1454	CD3	Passing constants through constexpr functions via references	Unknown
1455	CD3	Lvalue converted constant expressions	Unknown
1456	CD3	Address constant expression designating the one-past-the-end address	Unknown
1457	CD3	Undefined behavior in left-shift	Unknown
1458	CD3	Address of incomplete type vs operator&()	Unknown
1459	open	Reference-binding tiebreakers in overload resolution	Not resolved
1460	C++14	What is an empty union?	Clang 3.5
1461	NAD	Narrowing conversions to bit-fields	Unknown
1462	CD3	Deduction failure vs “ill-formed, no diagnostic required”	Unknown
1463	extension	extern "C" alias templates	Extension
1464	CD3	Negative array bound in a new-expression	Unknown
1465	CD4	noexcept and std::bad_array_new_length	Unknown
1466	C++14	Visible sequences of side effects are redundant	Unknown
1467	CD4	List-initialization of aggregate from same-type object	Clang 3.7 (C++11 onwards)
1468	drafting	typeid, overload resolution, and implicit lambda capture	Not resolved
1469	extension	Omitted bound in array new-expression	Extension
1470	NAD	Thread migration	Unknown
1471	CD3	Nested type of non-dependent base	Unknown
1472	CD3	odr-use of reference variables	Unknown
1473	CD3	Syntax of literal-operator-id	Unknown
1474	NAD	User-defined literals and <inttypes.h> format macros	Unknown
1475	CD3	Errors in [[carries_dependency]] example	Unknown
1476	CD3	Definition of user-defined type	Unknown
1477	CD3	Definition of a friend outside its namespace	Unknown
1478	drafting	template keyword for dependent template template arguments	Not resolved
1479	CD3	Literal operators and default arguments	Unknown
1480	CD3	Constant initialization via non-constant temporary	Unknown
1481	CD3	Increment/decrement operators with reference parameters	Unknown
1482	CD3	Point of declaration of enumeration	Unknown
1483	NAD	Non-dependent static_assert-declarations	Unknown
1484	CD4	Unused local classes of function templates	Unknown
1485	drafting	Out-of-class definition of member unscoped opaque enumeration	Not resolved
1486	drafting	Base-derived conversion in member pointer deduction	Not resolved
1487	CD3	When are inheriting constructors declared?	Unknown
1488	drafting	abstract-pack-declarators in type-ids	Not resolved
1489	CD3	Is value-initialization of an array constant initialization?	Unknown
1490	CD4	List-initialization from a string literal	Clang 3.7 (C++11 onwards)
1491	CD3	Move construction and rvalue reference members	Unknown
1492	CD4	Exception specifications on template destructors	Unknown
1493	C++14	Criteria for move-construction	Unknown
1494	CD3	Temporary initialization for reference binding in list-initialization	Unknown
1495	CD3	Partial specialization of variadic class template	Clang 4
1496	CD4	Triviality with deleted and missing default constructors	Unknown
1497	NAD	Aggregate initialization with parenthesized string literal	Unknown
1498	dup	Lifetime of temporaries in range-based for	Unknown
1499	drafting	Missing case for deleted move assignment operator	Not resolved
1500	open	Name lookup of dependent conversion function	Not resolved
1501	NAD	Nested braces in list-initialization	Unknown
1502	CD3	Value initialization of unions with member initializers	Unknown
1503	CD3	Exceptions during copy to exception object	Unknown
1504	CD3	Pointer arithmetic after derived-base conversion	Unknown
1505	dup	Direct binding of reference to temporary in list-initialization	Unknown
1506	CD3	Value category of initializer_list object	Unknown
1507	CD3	Value initialization with trivial inaccessible default constructor	Unknown
1508	C++14	Template initializer-list constructors	Unknown
1509	C++14	Definition of “non-template function”	Unknown
1510	CD3	cv-qualified references via decltype	Unknown
1511	CD3	const volatile variables and the one-definition rule	Unknown
1512	CD3	Pointer comparison vs qualification conversions	Clang 4
1513	drafting	initializer_list deduction failure	Not resolved
1514	C++14	Ambiguity between enumeration definition and zero-length bit-field	Clang 11
1515	CD3	Modulo 2n arithmetic for implicitly-unsigned types	Unknown
1516	CD3	Definition of “virtual function call”	Unknown
1517	drafting	Unclear/missing description of behavior during construction/destruction	Not resolved
1518	CD4	Explicit default constructors and copy-list-initialization	Clang 4
1519	NAD	Conflicting default and variadic constructors	Unknown
1520	NAD	Alias template specialization vs pack expansion	Unknown
1521	drafting	T{expr} with reference types	Not resolved
1522	CD3	Access checking for initializer_list array initialization	Unknown
1523	DRWP	Point of declaration in range-based for	Unknown
1524	drafting	Incompletely-defined class template base	Not resolved
1525	NAD	Array bound inference in temporary array	Unknown
1526	dup	Dependent-class lookup in the current instantiation	Unknown
1527	CD3	Assignment from braced-init-list	Unknown
1528	CD3	Repeated cv-qualifiers in declarators	Unknown
1529	drafting	Nomenclature for variable vs reference non-static data member	Not resolved
1530	drafting	Member access in out-of-lifetime objects	Not resolved
1531	CD3	Definition of “access” (verb)	Unknown
1532	CD3	Explicit instantiation and member templates	Unknown
1533	CD3	Function pack expansion for member initialization	Unknown
1534	dup	cv-qualification of prvalue of type “array of class”	Unknown
1535	CD3	typeid in core constant expressions	Unknown
1536	drafting	Overload resolution with temporary from initializer list	Not resolved
1537	CD3	Optional compile-time evaluation of constant expressions	Unknown
1538	CD3	C-style cast in braced-init-list assignment	Unknown
1539	CD3	Definition of “character type”	Unknown
1540	NAD	Use of address constants in constant expressions	Unknown
1541	CD3	cv void return types	Unknown
1542	drafting	Compound assignment of braced-init-list	Not resolved
1543	CD3	Implicit conversion sequence for empty initializer list	Unknown
1544	CD3	Linkage of member of unnamed namespace	Unknown
1545	drafting	friend function templates defined in class templates	Not resolved
1546	NAD	Errors in function template default arguments	Unknown
1547	NAD	typename keyword in alias-declarations	Unknown
1548	drafting	Copy/move construction and conversion functions	Not resolved
1549	open	Overloaded comma operator with void operand	Not resolved
1550	CD3	Parenthesized throw-expression operand of conditional-expression	Yes
1551	C++14	Wording problems in using-declaration specification	Unknown
1552	CD4	exception-specifications and defaulted special member functions	Unknown
1553	CD3	sizeof and xvalue bit-fields	Unknown
1554	drafting	Access and alias templates	Not resolved
1555	extension	Language linkage and function type compatibility	Extension
1556	CD3	Constructors and explicit conversion functions in direct initialization	Unknown
1557	CD3	Language linkage of converted lambda function pointer	Unknown
1558	CD4	Unused arguments in alias template specializations	Clang 12
1559	CD3	String too long in initializer list of new-expression	Unknown
1560	CD3	Gratuitous lvalue-to-rvalue conversion in conditional-expression with throw-expression operand	Clang 3.5
1561	extension	Aggregates with empty base classes	Extension
1562	C++14	Non-static data member initializers and union ctor-initializer	Unknown
1563	CD3	List-initialization and overloaded function disambiguation	Yes
1564	NAD	Template argument deduction from an initializer list	Unknown
1565	NAD	Copy elision and lifetime of initializer_list underlying array	Unknown
1566	NAD	Should new std::initializer_list<T> be ill-formed?	Unknown
1567	C++14	Inheriting constructors and copy/move constructors	Unknown
1568	dup	Temporary lifetime extension with intervening cast	Unknown
1569	C++14	Deducing a function parameter pack before ellipsis	Unknown
1570	C++14	Address of subobject as non-type template argument	Unknown
1571	CD4	cv-qualification for indirect reference binding via conversion function	Unknown
1572	CD4	Incorrect example for rvalue reference binding via conversion function	Unknown
1573	CD4	Inherited constructor characteristics	Clang 3.9
1574	NAD	Explicitly-defaulted constexpr functions in wrapper templates	Unknown
1575	C++14	Incorrect definition of “strict pointer safety”	Unknown
1576	C++14	Discarded-value volatile xvalues	Unknown
1577	NAD	Unnecessary restrictions on partial specializations	Unknown
1578	NAD	Value-initialization of aggregates	Unknown
1579	C++14	Return by converting move constructor	Clang 3.9
1580	drafting	Default arguments in explicit instantiations	Not resolved
1581	DRWP	When are constexpr member functions defined?	Unknown
1582	drafting	Template default arguments and deduction failure	Not resolved
1583	C++14	Incorrect example of unspecified behavior	Unknown
1584	drafting	Deducing function types from cv-qualified types	Not resolved
1585	NAD	Value category of member access of rvalue reference member	Unknown
1586	NAD	Naming a destructor via decltype	Unknown
1587	C++14	constexpr initialization and nested anonymous unions	Unknown
1588	CD3	Deducing cv-qualified auto	Unknown
1589	CD4	Ambiguous ranking of list-initialization sequences	Clang 3.7 (C++11 onwards)
1590	CD4	Bypassing non-copy/move constructor copying	Unknown
1591	CD4	Deducing array bound and element type from initializer list	Unknown
1592	C++14	When do template parameters match?	Unknown
1593	C++14	“Parameter type” of special member functions	Unknown
1594	drafting	Lazy declaration of special members vs overload errors	Not resolved
1595	C++14	Constructors “involved in” subobject initialization	Unknown
1596	CD4	Non-array objects as array[1]	Unknown
1597	CD3	Misleading constexpr example	Unknown
1598	C++14	Criterion for equality of pointers to members	Unknown
1599	CD4	Lifetime of initializer_list underlying array	Unknown
1600	CD4	Erroneous reference initialization in example	Unknown
1601	C++14	Promotion of enumeration with fixed underlying type	Clang 10
1602	open	Linkage of specialization vs linkage of template arguments	Not resolved
1603	CD4	Errors resulting from giving unnamed namespaces internal linkage	Unknown
1604	C++14	Double temporaries in reference initialization	Unknown
1605	CD3	Misleading parenthetical comment for explicit destructor call	Unknown
1606	NAD	sizeof closure class	Unknown
1607	C++14	Lambdas in template parameters	Unknown
1608	C++14	Operator lookup in trailing return type	Unknown
1609	open	Default arguments and function parameter packs	Not resolved
1610	drafting	Cv-qualification in deduction of reference to array	Not resolved
1611	C++14	Deleted default constructor for abstract class	Duplicate of 1658
1612	C++14	Implicit lambda capture and anonymous unions	Unknown
1613	C++14	Constant expressions and lambda capture	Unknown
1614	CD4	Address of pure virtual function vs odr-use	Unknown
1615	CD4	Alignment of types, variables, and members	Unknown
1616	drafting	Disambiguation parsing and template parameters	Not resolved
1617	open	alignas and non-defining declarations	Not resolved
1618	C++14	Gratuitously-unsigned underlying enum type	Unknown
1619	open	Definition of current instantiation	Not resolved
1620	open	User-defined literals and extended integer types	Not resolved
1621	DRWP	Member initializers in anonymous unions	Unknown
1622	C++17	Empty aggregate initializer for union	Unknown
1623	drafting	Deleted default union constructor and member initializers	Not resolved
1624	NAD	Destruction of union members with member initializers	Unknown
1625	open	Adding spaces between tokens in stringizing	Not resolved
1626	drafting	constexpr member functions in brace-or-equal-initializers	Not resolved
1627	NAD	Agreement of dependent alignas specifiers	Unknown
1628	open	Deallocation function templates	Not resolved
1629	C++14	Can a closure class be a literal type?	Unknown
1630	CD4	Multiple default constructor templates	Unknown
1631	CD4	Incorrect overload resolution for single-element initializer-list	Clang 3.7
1632	DRWP	Lambda capture in member initializers	Unknown
1633	CD4	Copy-initialization in member initialization	Unknown
1634	drafting	Temporary storage duration	Not resolved
1635	drafting	How similar are template default arguments to function default arguments?	Not resolved
1636	DRWP	Bits required for negative enumerator values	Unknown
1637	NAD	Recursion in constexpr template default constructor	Unknown
1638	CD4	Declaring an explicit specialization of a scoped enumeration	Yes
1639	CD4	exception-specifications and pointer/pointer-to-member expressions	Unknown
1640	drafting	Array of abstract instance of class template	Not resolved
1641	NAD	Assignment in member initializer	Unknown
1642	open	Missing requirements for prvalue operands	Not resolved
1643	extension	Default arguments for template parameter packs	Extension
1644	open	Equivalent exception-specifications in function template declarations	Not resolved
1645	CD4	Identical inheriting constructors via default arguments	Clang 3.9
1646	drafting	decltype-specifiers, abstract classes, and deduction failure	Not resolved
1647	drafting	Type agreement of non-type template arguments in partial specializations	Not resolved
1648	C++14	thread_local vs block extern declarations	Unknown
1649	C++14	Error in the syntax of mem-initializer-list	Unknown
1650	NAD	Class prvalues in reference initialization	Unknown
1651	NAD	Lifetime extension of temporary via reference to subobject	Unknown
1652	CD4	Object addresses in constexpr expressions	Unknown
1653	CD4	Removing deprecated increment of bool	Clang 4 (C++17 onwards)
1654	dup	Literal types and constexpr defaulted constructors	Unknown
1655	drafting	Line endings in raw string literals	Not resolved
1656	drafting	Encoding of numerically-escaped characters	Not resolved
1657	CD4	Attributes for namespaces and enumerators	Unknown
1658	C++14	Deleted default constructor for abstract class via destructor	Clang 5
1659	open	Initialization order of thread_local template static data members	Not resolved
1660	C++14	member-declaration requirements and unnamed bit-fields	Unknown
1661	NAD	Preservation of infinite loops	Unknown
1662	C++14	Capturing function parameter packs	Unknown
1663	NAD	Capturing an empty pack expansion	Unknown
1664	C++14	Argument-dependent lookup of lambdas used in default arguments	Unknown
1665	drafting	Declaration matching in explicit instantiations	Not resolved
1666	C++14	Address constant expressions	Unknown
1667	NAD	Function exiting via exception called by destructor during unwinding	Unknown
1668	drafting	Parameter type determination still not clear enough	Not resolved
1669	C++14	auto return type for main	Unknown
1670	drafting	auto as conversion-type-id	Not resolved
1671	NAD	Unclear rules for deduction with cv-qualification	Unknown
1672	CD4	Layout compatibility with multiple empty bases	Clang 7
1673	C++14	Clarifying overload resolution for the second step of copy-initialization	Unknown
1674	C++14	Return type deduction for address of function	Unknown
1675	NAD	Size limit for automatic array object	Unknown
1676	drafting	auto return type for allocation and deallocation functions	Not resolved
1677	C++17	Constant initialization via aggregate initialization	Unknown
1678	NAD	Naming the type of an array of runtime bound	Unknown
1679	NAD	Range-based for and array of runtime bound	Unknown
1680	drafting	Including <initializer_list> for range-based for	Not resolved
1681	C++14	init-captures and nested lambdas	Unknown
1682	open	Overly-restrictive rules on function templates as allocation functions	Not resolved
1683	CD4	Incorrect example after constexpr changes	Unknown
1684	C++14	Static constexpr member functions for non-literal classes	Clang 3.6
1685	NAD	Value category of noexcept expression	Unknown
1686	CD4	Which variables are “explicitly declared const?”	Unknown
1687	C++14	Conversions of operands of built-in operators	Clang 7
1688	NAD	Volatile constexpr variables	Unknown
1689	C++14	Syntactic nonterminal for operand of alignas	Unknown
1690	C++14	Associated namespace for local type	Clang 9
1691	C++14	Argument-dependent lookup and opaque enumerations	Clang 9
1692	C++14	Associated namespaces of doubly-nested classes	Clang 9
1693	C++14	Superfluous semicolons in class definitions	Unknown
1694	CD4	Restriction on reference to temporary as a constant expression	Unknown
1695	NAD	Lifetime extension via init-capture	Unknown
1696	CD4	Temporary lifetime and non-static data member initializers	Clang 7
1697	CD4	Lifetime extension and copy elision	Unknown
1698	open	Files ending in \	Not resolved
1699	drafting	Does befriending a class befriend its friends?	Not resolved
1700	NAD	Does the special rvalue-reference deduction apply to alias templates?	Unknown
1701	drafting	Array vs sequence in object representation	Not resolved
1702	drafting	Rephrasing the definition of “anonymous union”	Not resolved
1703	NAD	Language linkage of names of functions with internal linkage	Unknown
1704	DRWP	Type checking in explicit instantiation of variable templates	Unknown
1705	CD4	Unclear specification of “more specialized”	Unknown
1706	drafting	alignas pack expansion syntax	Not resolved
1707	C++14	template in elaborated-type-specifier without nested-name-specifier	Unknown
1708	CD4	overly-strict requirements for names with C language linkage	Unknown
1709	drafting	Stringizing raw string literals containing newline	Not resolved
1710	C++17	Missing template keyword in class-or-decltype	Unknown
1711	drafting	Missing specification of variable template partial specializations	Not resolved
1712	CD4	constexpr variable template declarations	Unknown
1713	drafting	Linkage of variable template specializations	Not resolved
1714	NAD	odr-use of this from a local class	Unknown
1715	CD4	Access and inherited constructor templates	Clang 3.9
1716	C++14	When are default arguments evaluated?	Unknown
1717	C++14	Missing specification of type of binary literal	Unknown
1718	drafting	Macro invocation spanning end-of-file	Not resolved
1719	CD4	Layout compatibility and cv-qualification revisited	Unknown
1720	NAD	Macro invocation in #include directive	Unknown
1721	drafting	Diagnosing ODR violations for static data members	Not resolved
1722	CD4	Should lambda to function pointer conversion function be noexcept?	Clang 9
1723	drafting	Multicharacter user-defined character literals	Not resolved
1724	drafting	Unclear rules for deduction failure	Not resolved
1725	NAD	Trailing return type with nested function declarator	Unknown
1726	drafting	Declarator operators and conversion function	Not resolved
1727	NAD	Type of a specialization of a variable template	Unknown
1728	DRWP	Type of an explicit instantiation of a variable template	Unknown
1729	drafting	Matching declarations and definitions of variable templates	Not resolved
1730	drafting	Can a variable template have an unnamed type?	Not resolved
1731	NAD	is_trivially_X and definitions of special member functions	Unknown
1732	C++14	Defining types in conditions and range-based for statements	Unknown
1733	drafting	Return type and value for operator= with ref-qualifier	Not resolved
1734	CD4	Nontrivial deleted copy functions	Unknown
1735	drafting	Out-of-range literals in user-defined-literals	Not resolved
1736	CD4	Inheriting constructor templates in a local class	Clang 3.9
1737	C++14	Type dependence of call to a member of the current instantiation	Unknown
1738	C++14	Explicit instantiation/specialization of inheriting constructor templates	Unknown
1739	C++14	Conversion of floating point to enumeration	Unknown
1740	C++14	Disambiguation of noexcept	Unknown
1741	C++14	odr-use of class object in lvalue-to-rvalue conversion	Unknown
1742	open	using-declarations and scoped enumerators	Not resolved
1743	NAD	init-captures in nested lambdas	Unknown
1744	CD4	Unordered initialization for variable template specializations	Unknown
1745	NAD	thread_local constexpr variable	Unknown
1746	C++14	Are volatile scalar types trivially copyable?	Unknown
1747	C++14	Constant initialization of reference to function	Unknown
1748	CD4	Placement new with a null pointer	Clang 3.7
1749	NAD	Confusing definition for constant initializer	Unknown
1750	CD4	“Argument” vs “parameter”	Unknown
1751	CD4	Non-trivial operations vs non-trivial initialization	Unknown
1752	CD4	Right-recursion in mem-initializer-list	Unknown
1753	CD4	decltype-specifier in nested-name-specifier of destructor	Clang 11
1754	NAD	Declaration of partial specialization of static data member template	Unknown
1755	drafting	Out-of-class partial specializations of member templates	Not resolved
1756	CD4	Direct-list-initialization of a non-class object	Clang 3.7
1757	CD4	Const integral subobjects	Unknown
1758	CD4	Explicit conversion in copy/move list initialization	Clang 3.7
1759	C++14	UTF-8 code units in plain char	Unknown
1760	C++14	Access of member corresponding to init-capture	Unknown
1761	NAD	Runtime check on size of automatic array	Unknown
1762	C++14	Reserved identifier used in literal-operator-id example	Unknown
1763	open	Length mismatch in template type deduction	Not resolved
1764	C++14	Hiding of function from using-declaration by signature	Unknown
1765	C++14	Overflow of enumeration used as enumerator value	Unknown
1766	CD4	Values outside the range of the values of an enumeration	Unknown
1767	C++14	Scoped enumeration in a switch statement	Unknown
1768	NAD	Zero-element array of runtime bound	Unknown
1769	C++14	Catching a base class of the exception object	Unknown
1770	C++14	Type matching of non-type template parameters and arguments	Unknown
1771	open	Restricted lookup in nested-name-specifier	Not resolved
1772	C++14	__func__ in a lambda body	Unknown
1773	C++14	Out-of-lifetime lvalue-to-rvalue conversion	Unknown
1774	CD4	Discrepancy between subobject destruction and stack unwinding	Unknown
1775	C++14	Undefined behavior of line splice in raw string literal	Unknown
1776	CD4	Replacement of class objects containing reference members	Unknown
1777	CD4	Empty pack expansion in dynamic-exception-specification	Unknown
1778	C++14	exception-specification in explicitly-defaulted functions	Clang 9
1779	CD4	Type dependency of __func__	Unknown
1780	CD4	Explicit instantiation/specialization of generic lambda operator()	Unknown
1781	DRWP	Converting from nullptr_t to bool in overload resolution	Unknown
1782	CD4	Form of initialization for nullptr_t to bool conversion	Unknown
1783	NAD	Why are virtual destructors non-trivial?	Unknown
1784	C++17	Concurrent execution during static local initialization	Unknown
1785	NAD	Conflicting diagnostic requirements for template definitions	Unknown
1786	C++14	Effect of merging allocations on memory leakage	Unknown
1787	C++14	Uninitialized unsigned char values	Unknown
1788	CD4	Sized deallocation of array of non-class type	Unknown
1789	drafting	Array reference vs array decay in overload resolution	Not resolved
1790	extension	Ellipsis following function parameter pack	Extension
1791	CD4	Incorrect restrictions on cv-qualifier-seq and ref-qualifier	Unknown
1792	NAD	Incorrect example of explicit specialization of member enumeration	Unknown
1793	CD4	thread_local in explicit specializations	Unknown
1794	C++17	template keyword and alias templates	Unknown
1795	CD4	Disambiguating original-namespace-definition and extension-namespace-definition	Unknown
1796	CD4	Is all-bits-zero for null characters a meaningful requirement?	Unknown
1797	CD4	Are all bit patterns of unsigned char distinct numbers?	Unknown
1798	NAD	exception-specifications of template arguments	Unknown
1799	CD4	mutable and non-explicit const qualification	Unknown
1800	CD4	Pointer to member of nested anonymous union	Unknown
1801	drafting	Kind of expression referring to member of anonymous union	Not resolved
1802	CD4	char16_t string literals and surrogate pairs	Unknown
1803	drafting	opaque-enum-declaration as member-declaration	Not resolved
1804	CD4	Partial specialization and friendship	Unknown
1805	CD4	Conversions of array operands in conditional-expressions	Unknown
1806	CD4	Virtual bases and move-assignment	Unknown
1807	CD4	Order of destruction of array elements after an exception	Unknown
1808	drafting	Constructor templates vs default constructors	Not resolved
1809	CD4	Narrowing and template argument deduction	Unknown
1810	CD4	Invalid ud-suffixes	Unknown
1811	CD4	Lookup of deallocation function in a virtual destructor definition	Unknown
1812	C++17	Omission of template in a typename-specifier	Unknown
1813	CD4	Direct vs indirect bases in standard-layout classes	Clang 7
1814	CD4	Default arguments in lambda-expressions	Yes
1815	CD4	Lifetime extension in aggregate initialization	No
1816	CD4	Unclear specification of bit-field values	Unknown
1817	drafting	Linkage specifications and nested scopes	Not resolved
1818	open	Visibility and inherited language linkage	Not resolved
1819	CD4	Acceptable scopes for definition of partial specialization	Unknown
1820	open	Qualified typedef names	Not resolved
1821	open	Qualified redeclarations in a class member-specification	Not resolved
1822	open	Lookup of parameter names in lambda-expressions	Not resolved
1823	CD4	String literal uniqueness in inline functions	Unknown
1824	CD4	Completeness of return type vs point of instantiation	Unknown
1825	C++17	Partial ordering between variadic and non-variadic function templates	Unknown
1826	NAD	const floating-point in constant expressions	Unknown
1827	drafting	Reference binding with ambiguous conversions	Not resolved
1828	drafting	nested-name-specifier ambiguity	Not resolved
1829	open	Dependent unnamed types	Not resolved
1830	CD4	Repeated specifiers	Unknown
1831	NAD	Explicitly vs implicitly deleted move constructors	Unknown
1832	CD4	Casting to incomplete enumeration	Unknown
1833	NAD	friend declarations naming implicitly-declared member functions	Unknown
1834	CD4	Constant initialization binding a reference to an xvalue	Unknown
1835	drafting	Dependent member lookup before <	Not resolved
1836	DRWP	Use of class type being defined in trailing-return-type	Unknown
1837	drafting	Use of this in friend and local class declarations	Not resolved
1838	CD4	Definition via unqualified-id and using-declaration	Unknown
1839	review	Lookup of block-scope extern declarations	Not resolved
1840	drafting	Non-deleted explicit specialization of deleted function template	Not resolved
1841	drafting	< following template injected-class-name	Not resolved
1842	concurrency	Unevaluated operands and “carries a dependency”	Not resolved
1843	CD4	Bit-field in conditional operator with throw operand	Unknown
1844	drafting	Defining “immediate context”	Not resolved
1845	drafting	Point of instantiation of a variable template specialization	Not resolved
1846	CD4	Declaring explicitly-defaulted implicitly-deleted functions	Unknown
1847	CD4	Clarifying compatibility during partial ordering	Unknown
1848	CD4	Parenthesized constructor and destructor declarators	Unknown
1849	drafting	Variable templates and the ODR	Not resolved
1850	CD4	Differences between definition context and point of instantiation	Unknown
1851	CD4	decltype(auto) in new-expressions	Unknown
1852	CD4	Wording issues regarding decltype(auto)	Unknown
1853	drafting	Defining “allocated storage”	Not resolved
1854	drafting	Disallowing use of implicitly-deleted functions	Not resolved
1855	dup	Out-of-lifetime access to nonstatic data members	Unknown
1856	open	Indirect nested classes of class templates	Not resolved
1857	drafting	Additional questions about bits	Not resolved
1858	CD4	Comparing pointers to union members	Unknown
1859	NAD	UTF-16 in char16_t string literals	Unknown
1860	C++17	What is a “direct member?”	Unknown
1861	CD4	Values of a bit-field	Unknown
1862	DRWP	Determining “corresponding members” for friendship	Unknown
1863	CD4	Requirements on thrown object type to support std::current_exception()	Unknown
1864	extension	List-initialization of array objects	Extension
1865	CD4	Pointer arithmetic and multi-level qualification conversions	Unknown
1866	CD4	Initializing variant members with non-trivial destructors	Unknown
1867	NAD	Function/expression ambiguity with qualified parameter name	Unknown
1868	drafting	Meaning of “placeholder type”	Not resolved
1869	NAD	thread_local vs linkage-specifications	Unknown
1870	CD4	Contradictory wording about definitions vs explicit specialization/instantiation	Unknown
1871	extension	Non-identifier characters in ud-suffix	Extension
1872	CD4	Instantiations of constexpr templates that cannot appear in constant expressions	Clang 9
1873	CD4	Protected member access from derived class friends	Unknown
1874	CD4	Type vs non-type template parameters with class keyword	Unknown
1875	CD4	Reordering declarations in class scope	Unknown
1876	extension	Preventing explicit specialization	Extension
1877	CD4	Return type deduction from return with no operand	Unknown
1878	CD4	operator auto template	Unknown
1879	NAD	Inadequate definition of alignment requirement	Unknown
1880	drafting	When are parameter objects destroyed?	Not resolved
1881	CD4	Standard-layout classes and unnamed bit-fields	Clang 7
1882	CD4	Reserved names without library use	Unknown
1883	drafting	Protected access to constructors in mem-initializers	Not resolved
1884	drafting	Unclear requirements for same-named external-linkage entities	Not resolved
1885	CD4	Return value of a function is underspecified	Unknown
1886	CD4	Language linkage for main()	Unknown
1887	CD4	Problems with :: as nested-name-specifier	Unknown
1888	CD4	Implicitly-declared default constructors and explicit	Unknown
1889	drafting	Unclear effect of #pragma on conformance	Not resolved
1890	drafting	Member type depending on definition of member function	Not resolved
1891	CD4	Move constructor/assignment for closure class	Clang 4
1892	CD4	Use of auto in function type	Unknown
1893	DRWP	Function-style cast with braced-init-lists and empty pack expansions	Unknown
1894	open	typedef-names and using-declarations	Not resolved
1895	CD4	Deleted conversions in conditional operator operands	Unknown
1896	drafting	Repeated alias templates	Not resolved
1897	drafting	ODR vs alternative tokens	Not resolved
1898	drafting	Use of “equivalent” in overload resolution	Not resolved
1899	CD4	Value-dependent constant expressions	Unknown
1900	drafting	Do friend declarations count as “previous declarations”?	Not resolved
1901	drafting	punctuator referenced but not defined	Not resolved
1902	CD4	What makes a conversion “otherwise ill-formed”?	Clang 3.7
1903	CD4	What declarations are introduced by a non-member using-declaration?	Unknown
1904	NAD	Default template arguments for members of class templates	Unknown
1905	NAD	Dependent types and injected-class-names	Unknown
1906	NAD	Name lookup in member friend declaration	Unknown
1907	drafting	using-declarations and default arguments	Not resolved
1908	drafting	Dual destructor lookup and template-ids	Not resolved
1909	CD4	Member class template with the same name as the class	Yes
1910	DRWP	“Shall” requirement applied to runtime behavior	Unknown
1911	CD4	constexpr constructor with non-literal base class	Unknown
1912	extension	exception-specification of defaulted function	Extension
1913	DRWP	decltype((x)) in lambda-expressions	Unknown
1914	extension	Duplicate standard attributes	Extension
1915	extension	Potentially-invoked destructors in non-throwing constructors	Extension
1916	CD4	“Same cv-unqualified type”	Unknown
1917	drafting	decltype-qualified enumeration names	Not resolved
1918	open	friend templates with dependent scopes	Not resolved
1919	open	Overload resolution for ! with explicit conversion operator	Not resolved
1920	CD4	Qualification mismatch in pseudo-destructor-name	Unknown
1921	NAD	constexpr constructors and point of initialization of const variables	Unknown
1922	CD4	Injected class template names and default arguments	Unknown
1923	extension	Lvalues of type void	Extension
1924	review	Definition of “literal” and kinds of literals	Not resolved
1925	CD4	Bit-field prvalues	Unknown
1926	CD4	Potential results of subscript operator	Unknown
1927	dup	Lifetime of temporaries in init-captures	Unknown
1928	NAD	Triviality of deleted special member functions	Unknown
1929	CD4	template keyword following namespace nested-name-specifier	Unknown
1930	CD4	init-declarator-list vs member-declarator-list	Unknown
1931	extension	Default-constructible and copy-assignable closure types	Extension
1932	CD4	Bit-field results of conditional operators	Unknown
1933	NAD	Implementation limit for initializer-list elements	Unknown
1934	extension	Relaxing exception-specification compatibility requirements	Extension
1935	drafting	Reuse of placement arguments in deallocation	Not resolved
1936	drafting	Dependent qualified-ids	Not resolved
1937	DRWP	Incomplete specification of function pointer from lambda	Unknown
1938	DRWP	Should hosted/freestanding be implementation-defined?	Unknown
1939	drafting	Argument conversions to nondeduced parameter types revisited	Not resolved
1940	CD4	static_assert in anonymous unions	Yes
1941	CD4	SFINAE and inherited constructor default arguments	Clang 3.9
1942	CD4	Incorrect reference to trailing-return-type	Unknown
1943	open	Unspecified meaning of “bit”	Not resolved
1944	open	New C incompatibilities	Not resolved
1945	open	Friend declarations naming members of class templates in non-templates	Not resolved
1946	CD4	exception-specifications vs pointer dereference	Unknown
1947	NAD	Digit separators following non-octal prefix	Yes
1948	NAD	exception-specification of replacement global new	Yes
1949	CD4	“sequenced after” instead of “sequenced before”	Unknown
1950	NAD	Restructuring description of ranks of conversion sequences	Unknown
1951	CD4	Cv-qualification and literal types	Unknown
1952	CD4	Constant expressions and library undefined behavior	Unknown
1953	open	Data races and common initial sequence	Not resolved
1954	open	typeid null dereference check in subexpressions	Not resolved
1955	CD4	#elif with invalid controlling expression	Unknown
1956	CD4	Reuse of storage of automatic variables	Unknown
1957	extension	decltype(auto) with direct-list-initialization	Extension
1958	CD4	decltype(auto) with parenthesized initializer	Unknown
1959	CD4	Inadvertently inherited copy constructor	Clang 3.9
1960	NAD	Visibility of entity named in class-scope using-declaration	Unknown
1961	C++17	Potentially-concurrent actions within a signal handler	Unknown
1962	extension	Type of __func__	Extension
1963	CD4	Implementation-defined identifier characters	Unknown
1964	NAD	opaque-enum-declaration in alias-declaration?	Unknown
1965	drafting	Explicit casts to reference types	Not resolved
1966	CD4	Colon following enumeration elaborated-type-specifier	Clang 11
1967	CD4	Temporary lifetime and move-elision	Unknown
1968	NAD	Address of typeid in constant expressions	No
1969	open	Missing exclusion of ~S as an ordinary function name	Not resolved
1970	NAD	Ambiguity resolution for (T())*x	Unknown
1971	CD4	Unclear disambiguation of destructor and operator~	Unknown
1972	open	Identifier character restrictions in non-identifiers	Not resolved
1973	drafting	Which parameter-declaration-clause in a lambda-expression?	Not resolved
1974	open	Redundant specification of non-type typename-specifier	Not resolved
1975	CD4	Permissible declarations for exception-specifications	Unknown
1976	NAD	Ambiguity of namespace-aliases	Unknown
1977	drafting	Contradictory results of failed destructor lookup	Not resolved
1978	CD4	Redundant description of explicit constructor use	Unknown
1979	drafting	Alias template specialization in template member definition	Not resolved
1980	drafting	Equivalent but not functionally-equivalent redeclarations	Not resolved
1981	CD4	Implicit contextual conversions and explicit	Unknown
1982	NAD	Deduction extending parameter pack	Unknown
1983	DRWP	Inappropriate use of virt-specifier	Unknown
1984	NAD	Lossless narrowing conversions	Unknown
1985	NAD	Unknown bound array member with brace-or-equal-initializer	Unknown
1986	drafting	odr-use and delayed initialization	Not resolved
1987	NAD	constexpr static data members across translation units	Unknown
1988	CD4	Ambiguity between dependent and non-dependent bases in implicit member access	Unknown
1989	drafting	Insufficient restrictions on parameters of postfix operators	Not resolved
1990	CD4	Ambiguity due to optional decl-specifier-seq	Unknown
1991	CD4	Inheriting constructors vs default arguments	Clang 3.9
1992	CD4	new (std::nothrow) int[N] can throw	Unknown
1993	drafting	Use of template<> defining member of explicit specialization	Not resolved
1994	dup	Confusing wording regarding multiple template<> prefixes	Duplicate of 529
1995	CD4	exception-specifications and non-type template parameters	Unknown
1996	drafting	Reference list-initialization ignores conversion functions	Not resolved
1997	drafting	Placement new and previous initialization	Not resolved
1998	NAD	Additional sources of xvalue expressions	Unknown
1999	CD4	Representation of source characters as universal-character-names	Unknown
2000	CD4	header-name outside #include directive	Unknown
2001	CD4	non-directive is underspecified	Unknown
2002	open	White space within preprocessing directives	Not resolved
2003	drafting	Zero-argument macros incorrectly specified	Not resolved
2004	CD4	Unions with mutable members in constant expressions	Unknown
2005	NAD	Incorrect constexpr reference initialization requirements	Unknown
2006	CD4	Cv-qualified void types	Unknown
2007	drafting	Argument-dependent lookup for operator=	Not resolved
2008	CD4	Default template-arguments underspecified	Unknown
2009	open	Unclear specification of class scope	Not resolved
2010	CD4	exception-specifications and conversion operators	Unknown
2011	C++17	Unclear effect of reference capture of reference	Unknown
2012	CD4	Lifetime of references	Unknown
2013	drafting	Pointer subtraction in large array	Not resolved
2014	NAD	Unneeded deallocation signatures	Unknown
2015	CD4	odr-use of deleted virtual functions	Unknown
2016	CD4	Confusing wording in description of conversion function	Unknown
2017	CD4	Flowing off end is not equivalent to no-expression return	Unknown
2018	drafting	Qualification conversion vs reference binding	Not resolved
2019	CD4	Member references omitted from description of storage duration	Unknown
2020	DRWP	Inadequate description of odr-use of implicitly-invoked functions	Unknown
2021	dup	Function template redeclaration via alias template	Unknown
2022	CD4	Copy elision in constant expressions	Unknown
2023	drafting	Composite reference result type of conditional operator	Not resolved
2024	CD4	Dependent types and unexpanded parameter packs	Unknown
2025	dup	Declaration matching via alias templates	Unknown
2026	CD4	Zero-initialization and constexpr	Clang 11
2027	CD4	Unclear requirements for multiple alignas specifiers	Unknown
2028	drafting	Converting constructors in rvalue reference initialization	Not resolved
2029	dup	Abstract class return type in decltype operand	Unknown
2030	NAD	Access of injected-class-name with template arguments	Unknown
2031	CD4	Missing incompatibility for &&	Unknown
2032	CD4	Default template-arguments of variable templates	Unknown
2033	CD4	Redundant restriction on partial specialization argument	Unknown
2034	NAD	Deprecating uncaught_exception()	Unknown
2035	CD3	Multi-section example is confusing	Unknown
2036	NAD	Refactoring parameters-and-qualifiers	Unknown
2037	drafting	Alias templates and template declaration matching	Not resolved
2038	CD4	Document C++14 incompatibility of new braced deduction rule	Unknown
2039	CD4	Constant conversions to bool	Unknown
2040	CD4	trailing-return-type no longer ambiguous	Unknown
2041	CD4	Namespace for explicit class template specialization	Unknown
2042	drafting	Exceptions and deallocation functions	Not resolved
2043	drafting	Generalized template arguments and array-to-pointer decay	Not resolved
2044	CD4	decltype(auto) and void	Unknown
2045	drafting	“Identical” template parameter lists	Not resolved
2046	C++17	Incomplete thread specifications	Unknown
2047	CD4	Coordinating “throws anything” specifications	Unknown
2048	open	C-style casts that cast away constness vs static_cast	Not resolved
2049	drafting	List initializer in non-type template default argument	Not resolved
2050	NAD	Consolidate specification of linkage	Unknown
2051	DRWP	Simplifying alias rules	Unknown
2052	CD4	Template argument deduction vs overloaded operators	Unknown
2053	DR	auto in non-generic lambdas	Unknown
2054	open	Missing description of class SFINAE	Not resolved
2055	drafting	Explicitly-specified non-deduced parameter packs	Not resolved
2056	drafting	Member function calls in partially-initialized class objects	Not resolved
2057	drafting	Template template arguments with default arguments	Not resolved
2058	drafting	More errors from internal-linkage namespaces	Not resolved
2059	DRWP	Linkage and deduced return types	Unknown
2060	NAD	Deduced return type for explicit specialization	Unknown
2061	CD4	Inline namespace after simplifications	Unknown
2062	drafting	Class template redeclaration requirements	Not resolved
2063	CD4	Type/nontype hiding in class scope	Unknown
2064	CD4	Conflicting specifications for dependent decltype-specifiers	Unknown
2065	drafting	Current instantiation of a partial specialization	Not resolved
2066	CD4	Does type-dependent imply value-dependent?	Unknown
2067	open	Generated variadic templates requiring empty pack	Not resolved
2068	CD4	When can/must a defaulted virtual destructor be defined?	Unknown
2069	CD4	Do destructors have names?	Unknown
2070	drafting	using-declaration with dependent nested-name-specifier	Not resolved
2071	CD4	typedef with no declarator	Unknown
2072	drafting	Default argument instantiation for member functions of templates	Not resolved
2073	drafting	Allocating memory for exception objects	Not resolved
2074	drafting	Type-dependence of local class of function template	Not resolved
2075	CD4	Passing short initializer lists to array reference parameters	Unknown
2076	CD4	List-initialization of arguments for constructor parameters	Unknown
2077	drafting	Overload resolution and invalid rvalue-reference initialization	Not resolved
2078	NAD	Name lookup of mem-initilizer-id	Unknown
2079	CD4	[[ appearing in a balanced-token-seq	Unknown
2080	drafting	Example with empty anonymous union member	Not resolved
2081	DRWP	Deduced return type in redeclaration or specialization of function template	Unknown
2082	CD4	Referring to parameters in unevaluated operands of default arguments	Clang 11
2083	DRWP	Incorrect cases of odr-use	Partial
2084	CD4	NSDMIs and deleted union default constructors	Unknown
2085	CD4	Invalid example of adding special member function via default argument	Unknown
2086	drafting	Reference odr-use vs implicit capture	Not resolved
2087	NAD	Left shift of negative value by zero bits	Unknown
2088	DRWP	Late tiebreakers in partial ordering	Unknown
2089	drafting	Restricting selection of builtin overloaded operators	Not resolved
2090	drafting	Dependency via non-dependent base class	Not resolved
2091	CD4	Deducing reference non-type template arguments	Unknown
2092	DRWP	Deduction failure and overload resolution	Unknown
2093	CD4	Qualification conversion for pointer-to-member handler matching	Unknown
2094	C++17	Trivial copy/move constructor for class with volatile member	Clang 5
2095	CD4	Capturing rvalue references to functions by copy	Unknown
2096	CD4	Constraints on literal unions	Unknown
2097	extension	Lambdas and noreturn attribute	Extension
2098	CD4	Is uncaught_exceptions() per-thread?	Unknown
2099	CD4	Inferring the bound of an array static data member	Unknown
2100	C++17	Value-dependent address of static data member of class template	Clang 12
2101	CD4	Incorrect description of type- and value-dependence	Unknown
2102	drafting	Constructor checking in new-expression	Not resolved
2103	DRWP	Lvalue-to-rvalue conversion is irrelevant in odr-use of a reference	Yes
2104	CD4	Internal-linkage constexpr references and ODR requirements	Unknown
2105	open	When do the arguments for a parameter pack end?	Not resolved
2106	CD4	Unclear restrictions on use of function-type template arguments	Unknown
2107	CD4	Lifetime of temporaries for default arguments in array copying	Unknown
2108	drafting	Conversions to non-class prvalues in reference initialization	Not resolved
2109	CD4	Value dependence underspecified	Unknown
2110	drafting	Overload resolution for base class conversion and reference/non-reference	Not resolved
2111	extension	Array temporaries in reference binding	Extension
2112	drafting	new auto{x}	Not resolved
2113	CD4	Incompete specification of types for declarators	Unknown
2114	CD3	Missing description of incompatibility from aggregate NSDMIs	Unknown
2115	drafting	Order of implicit destruction vs release of automatic storage	Not resolved
2116	drafting	Direct or copy initialization for omitted aggregate initializers	Not resolved
2117	drafting	Explicit specializations and constexpr function templates	Not resolved
2118	open	Stateful metaprogramming via friend injection	Not resolved
2119	NAD	Disambiguation of multi-level covariant return type	Unknown
2120	CD4	Array as first non-static data member in standard-layout class	Clang 7
2121	drafting	More flexible lambda syntax	Not resolved
2122	CD4	Glvalues of void type	Unknown
2123	open	Omitted constant initialization of local static variables	Not resolved
2124	CD4	Signature of constructor template	Unknown
2125	extension	Copy elision and comma operator	Extension
2126	DRWP	Lifetime-extended temporaries in constant expressions	Clang 12
2127	drafting	Partial specialization and nullptr	Not resolved
2128	drafting	Imprecise rule for reference member initializer	Not resolved
2129	CD4	Non-object prvalues and constant expressions	Unknown
2130	CD4	Over-aligned types in new-expressions	Unknown
2131	drafting	Ambiguity with opaque-enum-declaration	Not resolved
2132	extension	Deprecated default generated copy constructors	Extension
2133	DRWP	Converting std::nullptr_t to bool	Unknown
2134	NAD	Objectless references to non-static member functions	Unknown
2135	NAD	mem-initializers for virtual bases of abstract classes	Unknown
2136	NAD	Argument-dependent lookup and initializer lists	Unknown
2137	CD4	List-initialization from object of same type	Unknown
2138	NAD	Explicit member specialization vs implicit instantiation	Unknown
2139	NAD	Floating-point requirements for integer representation	Unknown
2140	CD4	Lvalue-to-rvalue conversion of std::nullptr_t	Clang 9
2141	CD4	Ambiguity in new-expression with elaborated-type-specifier	Unknown
2142	NAD	Missing definition of associated classes and namespaces	Unknown
2143	C++17	Value-dependency via injected-class-name	Unknown
2144	drafting	Function/variable declaration ambiguity	Not resolved
2145	CD4	Parenthesized declarator in function definition	Unknown
2146	CD4	Scalar object vs memory location in definition of “unsequenced”	Unknown
2147	CD4	Initializer-list arguments and pack deduction	Unknown
2148	drafting	Thread storage duration and order of initialization	Not resolved
2149	drafting	Brace elision and array length deduction	Not resolved
2150	CD3	Initializer list array lifetime	Unknown
2151	CD4	Exception object is not created	Unknown
2152	NAD	Can an alternative token be used as a ud-suffix?	Unknown
2153	CD4	pure-specifier in friend declaration	Unknown
2154	CD4	Ambiguity of pure-specifier	Unknown
2155	C++17	Defining classes and enumerations via using-declarations	Unknown
2156	CD4	Definition of enumeration declared by using-declaration	Unknown
2157	CD4	Further disambiguation of enumeration elaborated-type-specifier	Clang 11
2158	drafting	Polymorphic behavior during destruction	Not resolved
2159	NAD	Lambda capture and local thread_local variables	Unknown
2160	open	Issues with partial ordering	Not resolved
2161	NAD	Explicit instantiation declaration and “preceding initialization”	Unknown
2162	CD3	Capturing this by reference	Unknown
2163	CD4	Labels in constexpr functions	Unknown
2164	DRWP	Name hiding and using-directives	Unknown
2165	drafting	Namespaces, declarative regions, and translation units	Not resolved
2166	drafting	Unclear meaning of “undefined constexpr function”	Not resolved
2167	CD4	Non-member references with lifetimes within the current evaluation	Unknown
2168	open	Narrowing conversions and +/- infinity	Not resolved
2169	extension	Narrowing conversions and overload resolution	Extension
2170	DRWP	Unclear definition of odr-use for arrays	Clang 9
2171	CD4	Triviality of copy constructor with less-qualified parameter	Unknown
2172	drafting	Multiple exceptions with one exception object	Not resolved
2173	open	Partial specialization with non-deduced contexts	Not resolved
2174	C++17	Unclear rules for friend definitions in templates	Unknown
2175	CD4	Ambiguity with attribute in conversion operator declaration	Unknown
2176	CD4	Destroying the returned object when a destructor throws	Unknown
2177	DRWP	Placement operator delete and parameter copies	Unknown
2178	NAD	Substitution of dependent template arguments in default template arguments	Unknown
2179	drafting	Required diagnostic for partial specialization after first use	Not resolved
2180	CD4	Virtual bases in destructors and defaulted assignment operators	Yes
2181	drafting	Normative requirements in an informative Annex	Not resolved
2182	drafting	Pointer arithmetic in array-like containers	Not resolved
2183	NAD	Problems in description of potential exceptions	Unknown
2184	CD4	Missing C compatibility entry for decrement of bool	Unknown
2185	open	Cv-qualified numeric types	Not resolved
2186	drafting	Unclear point that “preceding initialization” must precede	Not resolved
2187	drafting	Protected members and access via qualified-id	Not resolved
2188	open	empty-declaration ambiguity	Not resolved
2189	open	Surrogate call template	Not resolved
2190	open	Insufficient specification of __has_include	Not resolved
2191	C++17	Incorrect result for noexcept(typeid(v))	Unknown
2192	open	Constant expressions and order-of-eval undefined behavior	Not resolved
2193	NAD	numeric_limits<int>::radix and digits	Unknown
2194	review	Impossible case in list initialization	Not resolved
2195	open	Unsolicited reading of trailing volatile members	Not resolved
2196	C++17	Zero-initialization with virtual base classes	Unknown
2197	review	Overload resolution and deleted special member functions	Not resolved
2198	C++17	Linkage of enumerators	Unknown
2199	drafting	Typedefs and tags	Not resolved
2200	NAD	Conversions in template argument deduction	Unknown
2201	C++17	Cv-qualification of array types	Unknown
2202	drafting	When does default argument instantiation occur?	Not resolved
2203	drafting	Defaulted copy/move constructors and UDCs	Not resolved
2204	NAD	Naming delegated constructors	Unknown
2205	C++17	Restrictions on use of alignas	Unknown
2206	C++17	Composite type of object and function pointers	Unknown
2207	DRWP	Alignment of allocation function return value	Unknown
2208	NAD	static_assert-declaration does not declare a member	Unknown
2209	NAD	Destruction of constructed array elements	Unknown
2210	NAD	Principal/target constructor confusion	Unknown
2211	C++17	Hiding by lambda captures and parameters	Clang 8
2212	open	Typedef changing linkage after use	Not resolved
2213	drafting	Forward declaration of partial specializations	Not resolved
2214	C++17	Missing requirement on representation of integer values	Unknown
2215	review	Redundant description of language linkage in function call	Not resolved
2216	NAD	Exception specifications in unevaluated contexts	Unknown
2217	NAD	constexpr constructors for non-literal types	Unknown
2218	C++17	Ambiguity and namespace aliases	Unknown
2219	drafting	Dynamically-unreachable handlers	Not resolved
2220	C++17	Hiding index variable in range-based for	Unknown
2221	review	Copying volatile objects	Not resolved
2222	drafting	Additional contexts where instantiation is not required	Not resolved
2223	drafting	Multiple alignas specifiers	Not resolved
2224	C++17	Member subobjects and base-class casts	Unknown
2225	NAD	reinterpret_cast to same floating-point type	Unknown
2226	DRWP	Xvalues vs lvalues in conditional expressions	Unknown
2227	DRWP	Destructor access and default member initializers	Unknown
2228	review	Ambiguity resolution for cast to function type	Not resolved
2229	DRWP	Volatile unnamed bit-fields	Clang 7
2230	NAD	Linkage of extern "C" function in unnamed namespace	Unknown
2231	NAD	Class member access to static data member template	Unknown
2232	open	thread_local anonymous unions	Not resolved
2233	DRWP	Function parameter packs following default arguments	Clang 11
2234	DRWP	Missing rules for simple-template-id as class-name	Unknown
2235	DRWP	Partial ordering and non-dependent types	Unknown
2236	drafting	When is an alias template specialization dependent?	Not resolved
2237	WP	Can a template-id name a constructor?	Unknown
2238	NAD	Contradictory alignment requirements for allocation	Unknown
2239	NAD	Sized deallocation with a trivial destructor	Unknown
2240	NAD	this is not odr-used in a constant expression	Unknown
2241	DRWP	Overload resolution is not invoked with a single function	Unknown
2242	drafting	ODR violation with constant initialization possibly omitted	Not resolved
2243	drafting	Incorrect use of implicit conversion sequence	Not resolved
2244	open	Base class access in aggregate initialization	Not resolved
2245	drafting	Point of instantiation of incomplete class template	Not resolved
2246	drafting	Access of indirect virtual base class constructors	Not resolved
2247	C++17	Lambda capture and variable argument list	Unknown
2248	C++17	Problems with sized delete	Unknown
2249	DRWP	identifiers and id-expressions	Unknown
2250	open	Implicit instantiation, destruction, and TUs	Not resolved
2251	C++17	Unreachable enumeration list-initialization	Unknown
2252	review	Enumeration list-initialization from the same type	Not resolved
2253	DRWP	Unnamed bit-fields and zero-initialization	Unknown
2254	DRWP	Standard-layout classes and bit-fields	Unknown
2255	DRWP	Instantiated static data member templates	Unknown
2256	DRWP	Lifetime of trivially-destructible objects	Unknown
2257	DRWP	Lifetime extension of references vs exceptions	Unknown
2258	open	Storage deallocation during period of destruction	Not resolved
2259	C++17	Unclear context describing ambiguity	Unknown
2260	DRWP	Explicit specializations of deleted member functions	Unknown
2261	extension	Explicit instantiation of in-class friend definition	Extension
2262	C++17	Attributes for asm-definition	Unknown
2263	drafting	Default argument instantiation for friends	Not resolved
2264	drafting	Memberwise copying with indeterminate value	Not resolved
2265	drafting	Delayed pack expansion and member redeclarations	Not resolved
2266	DRWP	Has dependent type vs is type-dependent	Unknown
2267	DRWP	Copy-initialization of temporary in reference direct-initialization	Unknown
2268	C++17	Unions with mutable members in constant expressions revisited	Unknown
2269	dup	Additional recursive references in aggregate DMIs	Unknown
2270	extension	Non-inline functions and explicit instantiation declarations	Extension
2271	C++17	Aliasing this	Unknown
2272	C++17	Implicit initialization of aggregate members of reference type	Unknown
2273	DRWP	Inheriting constructors vs implicit default constructor	Unknown
2274	NAD	Generic lambda capture vs constexpr if	Unknown
2275	drafting	Type-dependence of function template	Not resolved
2276	C++17	Dependent noexcept and function type-dependence	Unknown
2277	DRWP	Ambiguity inheriting constructors with default arguments	Unknown
2278	DRWP	Copy elision in constant expressions reconsidered	Unknown
2279	NAD	Multiple attribute-specifiers in one attribute-list	Unknown
2280	DRWP	Matching a usual deallocation function with placement new	Unknown
2281	drafting	Consistency of aligned operator delete replacement	Not resolved
2282	DRWP	Consistency with mismatched aligned/non-over-aligned allocation/deallocation functions	Unknown
2283	drafting	Missing complete type requirements	Not resolved
2284	open	Sequencing of braced-init-list arguments	Not resolved
2285	DRWP	Issues with structured bindings	Unknown
2286	NAD	Assignment evaluation order	Unknown
2287	DRWP	Pointer-interconvertibility in non-standard-layout unions	Unknown
2288	NAD	Contradictory optionality in simple-declaration	Unknown
2289	DRWP	Uniqueness of structured binding names	Unknown
2290	DRWP	Unclear specification for overload resolution and deleted special member functions	Unknown
2291	dup	Implicit conversion sequences in non-call contexts	Unknown
2292	DRWP	simple-template-id is ambiguous between class-name and type-name	Clang 9
2293	DRWP	Requirements for simple-template-id used as a class-name	Unknown
2294	DRWP	Dependent auto static data members	Unknown
2295	extension	Aggregates with deleted defaulted constructors	Extension
2296	extension	Are default argument instantiation failures in the “immediate context”?	Extension
2297	open	Unclear specification of atomic operations	Not resolved
2298	concurrency	Actions and expression evaluation	Not resolved
2299	DRWP	constexpr vararg functions	Unknown
2300	DRWP	Lambdas in multiple definitions	Unknown
2301	open	Value-initialization and constexpr constructor evaluation	Not resolved
2302	NAD	Address comparison between different member subobjects	Unknown
2303	DRWP	Partial ordering and recursive variadic inheritance	Clang 12
2304	NAD	Incomplete type vs overload resolution	Unknown
2305	DRWP	Explicit instantiation of constexpr or inline variable template	Unknown
2306	NAD	Nested friend templates of class templates	Unknown
2307	DRWP	Unclear definition of “equivalent to a nontype template parameter”	Unknown
2308	NAD	Structured bindings and lambda capture	Unknown
2309	DRWP	Restrictions on nested statements within constexpr functions	Unknown
2310	DRWP	Type completeness and derived-to-base pointer conversions	Unknown
2311	open	Missed case for guaranteed copy elision	Not resolved
2312	drafting	Structured bindings and mutable	Not resolved
2313	DRWP	Redeclaration of structured binding reference variables	Unknown
2314	dup	Structured bindings and lambda capture	Unknown
2315	DRWP	What is the “corresponding special member” of a variant member?	Unknown
2316	drafting	Simplifying class conversions in conditional expressions	Not resolved
2317	DRWP	Self-referential default member initializers	Unknown
2318	DRWP	Nondeduced contexts in deduction from a braced-init-list	Unknown
2319	drafting	Nested brace initialization from same type	Not resolved
2320	extension	constexpr if and boolean conversions	Extension
2321	DRWP	Conditional operator and cv-qualified class prvalues	Unknown
2322	DRWP	Substitution failure and lexical order	Unknown
2323	WP	Expunge POD	Unknown
2324	drafting	Size of base class subobject	Not resolved
2325	drafting	std::launder and reuse of character buffers	Not resolved
2326	dup	Type deduction with initializer list containing ambiguous functions	Unknown
2327	drafting	Copy elision for direct-initialization with a conversion function	Not resolved
2328	drafting	Unclear presentation style of template argument deduction rules	Not resolved
2329	drafting	Virtual base classes and generated assignment operators	Not resolved
2330	DRWP	Missing references to variable templates	Unknown
2331	drafting	Redundancy in description of class scope	Not resolved
2332	DRWP	template-name as simple-type-name vs injected-class-name	Unknown
2333	drafting	Escape sequences in UTF-8 character literals	Not resolved
2334	open	Creation of objects by typeid	Not resolved
2335	drafting	Deduced return types vs member types	Not resolved
2336	DRWP	Destructor characteristics vs potentially-constructed subobjects	Unknown
2337	open	Incorrect implication of logic ladder for conversion sequence tiebreakers	Not resolved
2338	DRWP	Undefined behavior converting to short enums with fixed underlying types	Clang 12
2339	DRWP	Underspecified template arguments in structured bindings	Unknown
2340	open	Reference collapsing and structured bindings	Not resolved
2341	extension	Structured bindings with static storage duration	Extension
2342	DRWP	Reference reinterpret_cast and pointer-interconvertibility	Unknown
2343	extension	void* non-type template parameters	Extension
2344	NAD	Redeclaration of names in init-statements	Unknown
2345	review	Jumping across initializers in init-statements and conditions	Not resolved
2346	DRWP	Local variables in default arguments	Clang 11
2347	DRWP	Passing short scoped enumerations to ellipsis	Unknown
2348	NAD	Non-templated constexpr if	Unknown
2349	NAD	Class/enumeration names vs conditions	Unknown
2350	NAD	Forwarding references and deduction guides	Unknown
2351	DRWP	void{}	Unknown
2352	DRWP	Similar types and reference binding	Clang 10
2353	DRWP	Potential results of a member access expression for a static data member	Clang 9
2354	DRWP	Extended alignment and object representation	Unknown
2355	extension	Deducing noexcept-specifiers	Extension
2356	DRWP	Base class copy and move constructors should not be inherited	Unknown
2357	NAD	Lookup in member function declarations	Unknown
2358	DRWP	Explicit capture of value	Unknown
2359	WP	Unintended copy initialization with designated initializers	Unknown
2360	DRWP	[[maybe_unused]] and structured bindings	Unknown
2361	open	Unclear description of longjmp undefined behavior	Not resolved
2362	extension	__func__ should be constexpr	Extension
2363	NAD	Opaque enumeration friend declarations	Unknown
2364	drafting	Constant expressions, aggregate initialization, and modifications	Not resolved
2365	DRWP	Confusing specification for dynamic_cast	Unknown
2366	DRWP	Can default initialization be constant initialization?	Unknown
2367	open	Lambdas in default arguments vs the ODR	Not resolved
2368	DRWP	Differences in relational and three-way constant comparisons	Unknown
2369	drafting	Ordering between constraints and substitution	Not resolved
2370	drafting	friend declarations of namespace-scope functions	Not resolved
2371	open	Use of the English term “attributes” is confusing	Not resolved
2372	DRWP	Incorrect matching rules for block-scope extern declarations	Unknown
2373	DRWP	Incorrect handling of static member function templates in partial ordering	Unknown
2374	DRWP	Overly permissive specification of enum direct-list-initialization	Unknown
2375	NAD	Multiple redeclarations of constexpr static data members	Unknown
2376	DRWP	Class template argument deduction with array declarator	Unknown
2377	NAD	Explicit copy constructor vs function viability	Unknown
2378	accepted	Inconsistent grammar for reference init-capture of pack	Unknown
2379	DRWP	Missing prohibition against constexpr in friend declaration	Unknown
2380	DRWP	capture-default makes too many references odr-usable	Unknown
2381	DRWP	Composite pointer type of pointers to plain and noexcept member functions	Unknown
2382	DRWP	Array allocation overhead for non-allocating placement new	Unknown
2383	NAD	Variadic member functions of variadic class templates	Unknown
2384	DRWP	Conversion function templates and qualification conversions	Unknown
2385	DRWP	Lookup for conversion-function-ids	Unknown
2386	DRWP	tuple_size requirements for structured binding	Clang 9
2387	DRWP	Linkage of const-qualified variable template	Clang 9
2388	NAD	Applicability of contract-attribute-specifiers	Unknown
2389	open	Agreement of deduced and explicitly-specified variable types	Not resolved
2390	DRWP	Is the argument of __has_cpp_attribute macro-expanded?	Unknown
2391	DUP	Additional template parameters following pack expansion	Unknown
2392	open	new-expression size check and constant evaluation	Not resolved
2393	NAD	Pseudo-destructors and object lifetime	Unknown
2394	DRWP	Const-default-constructible for members	Unknown
2395	open	Parameters following a pack expansion	Not resolved
2396	open	Lookup of names in complex conversion-type-ids	Not resolved
2397	drafting	auto specifier for pointers and references to arrays	Not resolved
2398	open	Template template parameter matching and deduction	Not resolved
2399	DRWP	Unclear referent of “expression” in assignment-expression	Unknown
2400	DRWP	Constexpr virtual functions and temporary objects	Unknown
2401	open	Array decay vs prohibition of subobject non-type arguments	Not resolved
2402	drafting	When is the restriction to a single c-char in a Unicode literal enforced?	Not resolved
2403	open	Temporary materialization and base/member initialization	Not resolved
2404	DRWP	[[no_unique_address]] and allocation order	Unknown
2405	drafting	Additional type-dependent expressions	Not resolved
2406	DRWP	[[fallthrough]] attribute and iteration statements	Unknown
2407	review	Missing entry in Annex C for defaulted comparison operators	Not resolved
2408	open	Temporaries and previously-initialized elements in aggregate initialization	Not resolved
2409	drafting	Explicit specializations of constexpr static data members	Not resolved
2410	review	Implicit calls of immediate functions	Not resolved
2411	open	Comparison of pointers to members in template non-type arguments	Not resolved
2412	open	SFINAE vs undeduced placeholder type	Not resolved
2413	drafting	typename in conversion-function-ids	Not resolved
2414	drafting	Unclear results if both member and friend operator<=> are declared	Not resolved
2415	NAD	using-declarations vs copy assignment operators	Unknown
2416	DRWP	Explicit specializations vs constexpr and consteval	Unknown
2417	open	Explicit instantiation and exception specifications	Not resolved
2418	DRWP	Missing cases in definition of “usable in constant expressions”	Unknown
2419	DRWP	Loss of generality treating pointers to objects as one-element arrays	Unknown
2420	open	Exception specifications in explicit instantiation	Not resolved
2421	open	Explicit instantiation of constrained member functions	Not resolved
2422	DRWP	Incorrect grammar for deduction-guide	Unknown
2423	NAD	Typedefs, names, and entities	Unknown
2424	DRWP	constexpr initialization requirements for variant members	Unknown
2425	open	Confusing wording for deduction from a type	Not resolved
2426	DRWP	Reference to destructor that cannot be invoked	Unknown
2427	DRWP	Deprecation of volatile operands and unevaluated contexts	Unknown
2428	open	Deprecating a concept	Not resolved
2429	DRWP	Initialization of thread_local variables referenced by lambdas	Unknown
2430	DRWP	Completeness of return and parameter types of member functions	Unknown
2431	DRWP	Full-expressions and temporaries bound to references	Unknown
2432	DRWP	Return types for defaulted <=>	Unknown
2433	DRWP	Variable templates in the ODR	Unknown
2434	open	Mandatory copy elision vs non-class objects	Not resolved
2435	open	Alias template specializations	Not resolved
2436	accepted	Copy semantics of coroutine parameters	Unknown
2437	DRWP	Conversion of std::strong_ordering in a defaulted operator<=>	Unknown
2438	open	Problems in the specification of qualification conversions	Not resolved
2439	DRWP	Undefined term in definition of “usable in constant expressions”	Unknown
2440	open	Allocation in core constant expressions	Not resolved
2441	DRWP	Inline function parameters	Unknown
2442	DRWP	Incorrect requirement for default arguments	Unknown
2443	open	Meaningless template exports	Not resolved
2444	open	Constant expressions in initialization odr-use	Not resolved
2445		Partial ordering with rewritten candidates	Unknown
2446	accepted	Questionable type-dependency of concept-ids	Unknown
2447	accepted	Unintended description of abbreviated function templates	Unknown
2448	open	Cv-qualification of arithmetic types and deprecation of volatile	Not resolved
2449	open	Thunks as an implementation technique for pointers to virtual functions	Not resolved
2450	open	braced-init-list as a template-argument	Not resolved