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P3921R0 DR issues #8485

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@eisenwave eisenwave commented Nov 9, 2025 •
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Fixes #8454.

Fixes NB CA 041 (C++26 CD).
Fixes NB CA 092 (C++26 CD).
Fixes NB US 29-062 (C++26 CD).
Fixes NB US 35-066 (C++26 CD).
Fixes NB US 34-067 (C++26 CD).
Fixes NB US 60-110 (C++26 CD).
Fixes NB US 43-080 (C++26 CD).
Fixes NB US 15-032 (C++26 CD).
Fixes NB AT 4-099 (C++26 CD).
Fixes NB CA 045 (C++26 CD).
Fixes NB FR 155 (C++26 CD).

Also fixes cplusplus/CWG#546
Also fixes cplusplus/CWG#625
Also fixes https://github.com/cplusplus/nbballot/issues/616
Also fixes cplusplus/CWG#668
Also fixes cplusplus/CWG#681
Also fixes cplusplus/CWG#682
Also fixes cplusplus/CWG#685
Also fixes cplusplus/CWG#669
Also fixes https://github.com/cplusplus/nbballot/issues/669
Also fixes cplusplus/CWG#747
Also fixes cplusplus/CWG#751
Also fixes cplusplus/CWG#733
Also fixes cplusplus/CWG#756
Also fixes cplusplus/CWG#752
Also fixes cplusplus/CWG#750
Also fixes cplusplus/CWG#707
Also fixes cplusplus/CWG#759
Also fixes cplusplus/CWG#764
Also fixes cplusplus/CWG#761
Also fixes cplusplus/CWG#762
Also fixes cplusplus/CWG#767
Also fixes cplusplus/CWG#768
Also fixes cplusplus/CWG#769
Also fixes cplusplus/CWG#770
Also fixes cplusplus/CWG#755
Also fixes https://github.com/cplusplus/nbballot/issues/638
Also fixes https://github.com/cplusplus/nbballot/issues/642
Also fixes https://github.com/cplusplus/nbballot/issues/643
Also fixes https://github.com/cplusplus/nbballot/issues/688
Also fixes https://github.com/cplusplus/nbballot/issues/656
Also fixes https://github.com/cplusplus/nbballot/issues/607
Also fixes https://github.com/cplusplus/nbballot/issues/677
Also fixes https://github.com/cplusplus/nbballot/issues/620
Also fixes cplusplus/CWG#788
Also fixes cplusplus/CWG#780
Also fixes cplusplus/CWG#785
Also fixes cplusplus/CWG#786
Also fixes cplusplus/CWG#791
Also fixes https://github.com/cplusplus/nbballot/issues/734

@eisenwave eisenwave added this to the post-2025-11 milestone Nov 9, 2025
@eisenwave eisenwave changed the title CWG2555 Ineffective redeclaration prevention for using-declarators P3921R0 DR issues Nov 9, 2025
@eisenwave eisenwave force-pushed the motions-2025-11-cwg-1 branch from ba92856 to ef2b72c Compare November 9, 2025 11:41
@eisenwave
CWG3002 Template parameter/argument confusion
bfdfd68
@eisenwave
CWG3004 Pointer arithmetic on array of unknown bound
c68fc1a
@eisenwave
CWG3008 Missing Annex C entry for void object declarations
8ccae3d
@eisenwave
CWG3011 Parenthesized aggregate initialization for new-expressions
e9ae510
@eisenwave
CWG3032 Template argument disambiguation
1d65b9b
@eisenwave
CWG3055 Misleading body for surrogate call function
4477079
@eisenwave
CWG3056 Missing semicolons in grammar for type-requirement
fef54d5
@eisenwave
CWG3057 Ranking of derived-to-base conversions should ignore referenc…
608ce55 
…e binding
@eisenwave
CWG3059 throw; in constant expressions
2e4b840
@eisenwave
CWG3060 Change in behavior for noexcept main
0b67fde
@eisenwave
CWG3062 Overlapping specification of default template arguments
a9e1c01
@eisenwave
CWG3066 Declarative nested-name-specifier in explicit instantiation
57927c3
@eisenwave
CWG3067 Array-to-pointer conversion with object type mismatch
44dac4c
@eisenwave
CWG3070 Trivial assignment can skip member subobjects
6b14a12
@eisenwave
CWG3071 Negative tuple_size in structured bindings
b4aefb5
@eisenwave
CWG3072 Incorrect examples for lambda SFINAE
bc2881c
@eisenwave
CWG3073 Dependence of R on T2 is unclear
0e0386f
@eisenwave
CWG3075 Unclear matching of import directive
005a276
@eisenwave
CWG3076 Remove unnecessary IFNDR for malformed header-name-tokens
2d3256b
@eisenwave
CWG3077 Undesirable formation of import directive with string-literal
b41ea4e
@eisenwave
CWG3078 Different treatment of #include pp-tokens and header-name-tokens
907884d
@eisenwave
CWG3079 Allow empty-declarations in anonymous unions
d3429f9
@eisenwave
CWG3080 Clarify kinds of permitted template template arguments
35d632b
@eisenwave
CWG3081 Require glvalue when splicing direct base class relationship
1ceaafe
@eisenwave
CWG3083 Remove redundant restrictions on class and enum definitions
20991dd
@eisenwave
CWG3085 Apply restriction inside for-range-declaration
b2cac60
@eisenwave
CWG3086 Destringizing should consider all sorts of encoding-prefixes
a6f665a
@eisenwave
CWG3090 Internal linkage from header units
e41a1c4
@eisenwave
CWG3091 Linking of translation units as sequences of tokens
0ae5cdb
@eisenwave
CWG3096 Value-dependence of size of structured binding pack with non-…
cf5693c 
…dependent initializer
@eisenwave
CWG3097 Lambda expression introduces a scope
02b6174
@eisenwave
CWG3100 Destruction order for objects with static storage duration
240db04
@eisenwave
CWG3102 Update list of void contexts
0fea012
@eisenwave
CWG3105 Consteval destructor through immediate escalation
14af0c1
@eisenwave
CWG3106 Redundant exclusion of (non-existent) UCNs in r-char-sequences
ec799cb
@eisenwave
CWG3107 Misleading note "An alias template name is never deduced."
0067925
@eisenwave
CWG3111 Template parameter objects of array type
795ffd0
@eisenwave
CWG3112 Introduce a term for C-style variadic functions
7a9ba76
@eisenwave
CWG3116 First element of an array
a87b471
@eisenwave eisenwave marked this pull request as ready for review November 9, 2025 15:17
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eisenwave commented Nov 9, 2025

@jensmaurer how does the referencing of editorial submissions and NB comments work on these types of PRs?

  • Should I add a Fixes cplusplus/CWG/... for each?
  • Should I add a Fixes cplusplus/nbballot/... for each closed NB comment?
  • Should I add a Fixes NB ... (C++26 CD). to the respective commit messages?

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jensmaurer commented Nov 12, 2025 •
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Should I add a Fixes NB ... (C++26 CD). to the respective commit messages?

Yes, please. We want a permanent record of those.

The "(Also) fixes" for /CWG/ and /nbballot/ goes into the pull request (initial comment) only, but please do add these (you did, apparently) so that when Thomas merges this, all related issues are auto-closed. This is github-level org only, so doesn't go into the commit message.

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jensmaurer commented Nov 12, 2025

Please fix

! Undefined control sequence.
2025-11-09T15:18:20.7047350Z l.7572 followed by \tocde
2025-11-09T15:18:20.7047500Z                          {dt}, and

Also, please check why this has merge conflicts.

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frederick-vs-ja commented Nov 13, 2025

Looks like that application of the CWG3032 conflicted with fad2722 (#8487). Given braced-init-list is certainly not a template-argument-name, I think we should add it next to type-id.

@eisenwave eisenwave added the changes requested Changes to the wording or approach have been requested and not yet applied. label Nov 13, 2025
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CWG3005 [basic.scope.scope] Function parameters can be name-independent CWG3032 [temp.arg.general] Template argument grammar disambiguation rule versus template template-arguments CWG3002 [temp.dep.temp] Parameter/argument mixup in p4 CWG2941 [class.temporary] Lifetime extension for RefType{} CWG2900 [temp.deduct.type] Deduction of non-type template arguments with placeholder types
CWG3008 [diff.dcl] Incompatibility with C on declaration of "void object" CWG3011 [expr.new] does not handle parenthesized aggregate initialization in array new CWG3067 [conv.array] Wording of array-to-pointer conversion CWG3057 [over.ics.rank] Ranking of derived-to-base conversions should be agnostic to reference bindings CWG3055 [over.call.object] Misleading body for surrogate call function

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