C++ Defect Report Support in Clang

Last updated: $Date: 2019-01-06 22:00:46 -0800 (Sun, 06 Jan 2019) $

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12 dup Default arguments on different declarations for the same function and the Koenig lookup Superseded by 239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18 NAD f(TYPE) where TYPE is void should be allowed Superseded by 577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22 TC1 Template parameter with a default argument that refers to itself Superseded by 481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 Partial
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 No
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 Yes
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 No
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 Not resolved
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 open Can a templated constructor be explicitly instantiated or specialized? Not resolved
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 Yes
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 SVN
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 drafting Missing description of lookup of template aliases Not resolved
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 Not resolved
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 Unknown
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 Unknown
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?” Unknown
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 Not resolved
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 Not resolved
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 Not resolved
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 Not resolved
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 Not resolved
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 Unknown
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 Not resolved
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 Not resolved
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 DR 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 Not resolved
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 Not resolved
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 Unknown
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 Not resolved
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 Unknown
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 Unknown
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 Not resolved
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 Not resolved
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 Unknown
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 Not resolved
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 Not resolved
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 Not resolved
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 Unknown
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 Not resolved
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 Unknown
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 Not resolved
1562 C++14 Non-static data member initializers and union ctor-initializer Unknown
1563 CD3 List-initialization and overloaded function disambiguation Unknown
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 drafting When are constexpr member functions defined? Not resolved
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 drafting Bypassing non-copy/move constructor copying Not resolved
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 open Lifetime of initializer_list underlying array Not resolved
1600 CD4 Erroneous reference initialization in example Unknown
1601 C++14 Promotion of enumeration with fixed underlying type Unknown
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 drafting Member initializers in anonymous unions Not resolved
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 open Lambda capture in member initializers Not resolved
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 drafting Bits required for negative enumerator values Not resolved
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 Not resolved
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 drafting Lifetime extension of temporary via reference to subobject Not resolved
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 Unknown
1691 C++14 Argument-dependent lookup and opaque enumerations Unknown
1692 C++14 Associated namespaces of doubly-nested classes Unknown
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 drafting Lifetime extension and copy elision Not resolved
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? Unknown
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 Unknown
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 Unknown
1779 CD4 Type dependency of __func__ Unknown
1780 CD4 Explicit instantiation/specialization of generic lambda operator() Unknown
1781 open Converting from nullptr_t to bool in overload resolution Not resolved
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 Not resolved
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 Unknown
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 drafting 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 drafting UTF-16 in char16_t string literals Not resolved
1860 C++17 What is a “direct member?” Unknown
1861 CD4 Values of a bit-field Unknown
1862 DR 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 Not resolved
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 Not resolved
1872 CD4 Instantiations of constexpr templates that cannot appear in constant expressions Unknown
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 Not resolved
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 DR 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 MAD 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 DR “Shall” requirement applied to runtime behavior Unknown
1911 CD4 constexpr constructor with non-literal base class Unknown
1912 extension exception-specification of defaulted function Not resolved
1913 drafting decltype((x)) in lambda-expressions Not resolved
1914 extension Duplicate standard attributes Not resolved
1915 extension Potentially-invoked destructors in non-throwing constructors Not resolved
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 Not resolved
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 Not resolved
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 Not resolved
1935 drafting Reuse of placement arguments in deallocation Not resolved
1936 drafting Dependent qualified-ids Not resolved
1937 drafting Incomplete specification of function pointer from lambda Not resolved
1938 drafting Should hosted/freestanding be implementation-defined? Not resolved
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 Not resolved
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 drafting Type of __func__ Not resolved
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 Unknown
1967 CD4 Temporary lifetime and move-elision Unknown
1968 NAD Address of typeid in constant expressions Yes
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 DR 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 drafting Inadequate description of odr-use of implicitly-invoked functions Not resolved
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 Unknown
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 drafting Simplifying alias rules Not resolved
2052 CD4 Template argument deduction vs overloaded operators Unknown
2053 drafting auto in non-generic lambdas Not resolved
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 DR 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 DR Deduced return type in redeclaration or specialization of function template Unknown
2082 CD4 Referring to parameters in unevaluated operands of default arguments Unknown
2083 drafting Incorrect cases of odr-use Not resolved
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 open Left shift of negative value by zero bits Not resolved
2088 DR 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 DR 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 Not resolved
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 Unknown
2101 CD4 Incorrect description of type- and value-dependence Unknown
2102 drafting Constructor checking in new-expression Not resolved
2103 drafting Lvalue-to-rvalue conversion is irrelevant in odr-use of a reference Not resolved
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 Not resolved
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 Not resolved
2126 drafting Lifetime-extended temporaries in constant expressions Not resolved
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 Not resolved
2133 open Converting std::nullptr_t to bool Not resolved
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 Unknown
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 drafting Exception object is not created Not resolved
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 Unknown
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 DR 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 Not resolved
2170 drafting Unclear definition of odr-use for arrays Not resolved
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 DR 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 drafting Alignment of allocation function return value Not resolved
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 SVN
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 DR Xvalues vs lvalues in conditional expressions Unknown
2227 DR Destructor access and default member initializers Unknown
2228 drafting Ambiguity resolution for cast to function type Not resolved
2229 DR 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 tentatively ready Function parameter packs following default arguments Unknown
2234 DR Missing rules for simple-template-id as class-name Unknown
2235 DR Partial ordering and non-dependent types Unknown
2236 drafting When is an alias template specialization dependent? Not resolved
2237 accepted 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 drafting this is not odr-used in a constant expression Not resolved
2241 DR 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 tentatively ready 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 ready Standard-layout classes and bit-fields Unknown
2255 DR Instantiated static data member templates Unknown
2256 drafting Lifetime of trivially-destructible objects Not resolved
2257 drafting Lifetime extension of references vs exceptions Not resolved
2258 open Storage deallocation during period of destruction Not resolved
2259 C++17 Unclear context describing ambiguity Unknown
2260 DR Explicit specializations of deleted member functions Unknown
2261 extension Explicit instantiation of in-class friend definition Not resolved
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 drafting Has dependent type vs is type-dependent Not resolved
2267 drafting Copy-initialization of temporary in reference direct-initialization Not resolved
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 Not resolved
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 drafting Copy elision in constant expressions reconsidered Not resolved
2279 NAD Multiple attribute-specifiers in one attribute-list Unknown
2280 review Matching a usual deallocation function with placement new Not resolved
2281 drafting Consistency of aligned operator delete replacement Not resolved
2282 drafting Consistency with mismatched aligned/non-over-aligned allocation/deallocation functions Not resolved
2283 drafting Missing complete type requirements Not resolved
2284 open Sequencing of braced-init-list arguments Not resolved
2285 tentatively ready 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 drafting Uniqueness of decomposition declaration names Not resolved
2290 DRWP Unclear specification for overload resolution and deleted special member functions Unknown
2291 dup Implicit conversion sequences in non-call contexts Unknown
2292 drafting simple-template-id is ambiguous between class-name and type-name Not resolved
2293 ready Requirements for simple-template-id used as a class-name Unknown
2294 ready Dependent auto static data members Unknown
2295 extension Aggregates with deleted defaulted constructors Not resolved
2296 extension Are default argument instantiation failures in the “immediate context”? Not resolved
2297 review Unclear specification of atomic operations Not resolved
2298 concurrency Actions and expression evaluation Not resolved
2299 DR constexpr vararg functions Unknown
2300 drafting Lambdas in multiple definitions Not resolved
2301 open Value-initialization and constexpr constructor evaluation Not resolved
2302 NAD Address comparison between different member subobjects Unknown
2303 drafting Partial ordering and recursive variadic inheritance Not resolved
2304 NAD Incomplete type vs overload resolution Unknown
2305 DR Explicit instantiation of constexpr or inline variable template Unknown
2306 open Nested friend templates of class templates Not resolved
2307 DR Unclear definition of “equivalent to a nontype template parameter” Unknown
2308 NAD Structured bindings and lambda capture Unknown
2309 drafting Restrictions on nested statements within constexpr functions Not resolved
2310 drafting Type completeness and derived-to-base pointer conversions Not resolved
2311 open Missed case for guaranteed copy elision Not resolved
2312 ready Structured bindings and mutable Unknown
2313 DR Redeclaration of structured binding reference variables Unknown
2314 dup Structured bindings and lambda capture Unknown
2315 DR What is the “corresponding special member” of a variant member? Unknown
2316 drafting Simplifying class conversions in conditional expressions Not resolved
2317 drafting Self-referential default member initializers Not resolved
2318 drafting Nondeduced contexts in deduction from a braced-init-list Not resolved
2319 drafting Nested brace initialization from same type Not resolved
2320 extension constexpr if and boolean conversions Not resolved
2321 ready Conditional operator and cv-qualified class prvalues Unknown
2322 ready Substitution failure and lexical order Unknown
2323 accepted 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 open Unclear presentation style of template argument deduction rules Not resolved
2329 drafting Virtual base classes and generated assignment operators Not resolved
2330 drafting Missing references to variable templates Not resolved
2331 drafting Redundancy in description of class scope Not resolved
2332 drafting template-name as simple-type-name vs injected-class-name Not resolved
2333 drafting Escape sequences in UTF-8 character literals Not resolved
2334 open Creation of objects by typeid Not resolved
2335 open Deduced return types vs member types Not resolved
2336 drafting Destructor characteristics vs potentially-constructed subobjects Not resolved
2337 open Incorrect implication of logic ladder for conversion sequence tiebreakers Not resolved
2338 DR Undefined behavior converting to short enums with fixed underlying types Unknown
2339 ready Underspecified template arguments in structured bindings Unknown
2340 open Reference collapsing and structured bindings Not resolved
2341 extension Structured bindings with static storage duration Not resolved
2342 DR Reference reinterpret_cast and pointer-interconvertibility Unknown
2343 extension void* non-type template parameters Not resolved
2344 drafting Redeclaration of names in init-statements Not resolved
2345 review Jumping across initializers in init-statements and conditions Not resolved
2346 DR Local variables in default arguments Unknown
2347 open Passing short scoped enumerations to ellipsis Not resolved
2348 NAD Non-templated constexpr if Unknown
2349 NAD Class/enumeration names vs conditions Unknown
2350 open Forwarding references and deduction guides Not resolved
2351 tentatively ready void{} Unknown
2352 drafting Similar types and reference binding Not resolved
2353 drafting Potential results of a member access expression for a static data member Not resolved
2354 open Extended alignment and object representation Not resolved
2355 extension Deducing noexcept-specifiers Not resolved
2356 tentatively ready Base class copy and move constructors should not be inherited Unknown
2357 open Lookup in member function declarations Not resolved
2358 drafting Explicit capture of value Not resolved
2359 tentatively ready Unintended copy initialization with designated initializers Unknown
2360 open [[maybe_unused]] and structured bindings Not resolved
2361 open Unclear description of longjmp undefined behavior Not resolved
2362 open __func__ should be constexpr Not resolved
2363 open Opaque enumeration friend declarations Not resolved
2364 open Constant expressions, aggregate initialization, and modifications Not resolved
2365 open Confusing specification for dynamic_cast Not resolved