CWG Poll 1: P3921R0 DR issues #8485

eisenwave · 2025-11-09T09:59:12Z

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).

eisenwave · 2025-11-09T19:25:40Z

@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?

jensmaurer · 2025-11-12T21:53:20Z

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.

jensmaurer · 2025-11-12T21:54:20Z

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.

…h indirection/address operators Fixes NB US 267-401 (C++26 CD).

…ects

Fixes NB CA 041 (C++26 CD).

Fixes NB CA 092 (C++26 CD).

…e binding

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).

…dependent initializer Fixes NB AT 4-099 (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).

jensmaurer · 2025-11-23T20:40:01Z

source/basic.tex

 the new object is of the same type as \placeholder{e} (ignoring cv-qualification).
 \end{itemize}
+In this case, \placeholder{e} and the created object are
+\defnadj{corresponding direct}{subobjects}{subobject}.


This should use "defnadjx", I think.

jensmaurer · 2025-11-23T20:41:40Z

source/basic.tex

+$o_1$ and $o_2$ are corresponding direct subobjects\iref{intro.object} for which:
+\begin{itemize}
+\item the complete object of $o_1$ is not const or
+\item $o_1$ is a mutable member subobject or subobject thereof.


missing "a" in front of "subobject"

eisenwave added this to the post-2025-11 milestone Nov 9, 2025

eisenwave changed the title ~~CWG2555 Ineffective redeclaration prevention for using-declarators~~ P3921R0 DR issues Nov 9, 2025

eisenwave force-pushed the motions-2025-11-cwg-1 branch from ba92856 to ef2b72c Compare November 9, 2025 11:41

eisenwave marked this pull request as ready for review November 9, 2025 15:17

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eisenwave added the changes requested Changes to the wording or approach have been requested and not yet applied. label Nov 13, 2025

tkoeppe changed the title ~~P3921R0 DR issues~~ CWG Poll 1: P3921R0 DR issues Nov 15, 2025

eisenwave added 20 commits November 23, 2025 07:32

CWG2555 Ineffective redeclaration prevention for using-declarators

fbea5df

CWG2677 Replacing union subobjects

0b46aac

CWG2875 Missing support for round-tripping null pointer values throug…

58eb72c

…h indirection/address operators Fixes NB US 267-401 (C++26 CD).

[diff.expr] Replace "For example" with \begin{example} environment

a0f612a

CWG2900 Deduction of non-type template arguments with placeholder types

3f54620

CWG2929 Lifetime of trivially-destructible static or thread-local obj…

ba7bc62

…ects

CWG2941 Lifetime extension for function-style cast to reference type

a2e7693

Fixes NB CA 041 (C++26 CD).

CWG3002 Template parameter/argument confusion

ae10fd2

CWG3004 Pointer arithmetic on array of unknown bound

a3248fa

CWG3008 Missing Annex C entry for void object declarations

6412a95

CWG3011 Parenthesized aggregate initialization for new-expressions

ad3d876

CWG3032 Template argument disambiguation

4e0c8c4

Fixes NB CA 092 (C++26 CD).

CWG3055 Misleading body for surrogate call function

9bf159d

CWG3056 Missing semicolons in grammar for type-requirement

b225b39

CWG3057 Ranking of derived-to-base conversions should ignore referenc…

37b5a1d

…e binding

CWG3059 throw; in constant expressions

8b70ad0

CWG3060 Change in behavior for noexcept main

fdecaf0

CWG3062 Overlapping specification of default template arguments

685911c

CWG3066 Declarative nested-name-specifier in explicit instantiation

4fedbfd

CWG3067 Array-to-pointer conversion with object type mismatch

db9cebc

eisenwave added 26 commits November 23, 2025 08:06

CWG3070 Trivial assignment can skip member subobjects

5a2ec28

CWG3071 Negative tuple_size in structured bindings

acb6a11

CWG3072 Incorrect examples for lambda SFINAE

286fc2a

CWG3073 Dependence of R on T2 is unclear

b826f10

CWG3075 Unclear matching of import directive

8c13279

CWG3076 Remove unnecessary IFNDR for malformed header-name-tokens

a02e829

CWG3077 Undesirable formation of import directive with string-literal

4945423

CWG3078 Different treatment of #include pp-tokens and header-name-tokens

0fcab2d

CWG3079 Allow empty-declarations in anonymous unions

9d244fb

CWG3080 Clarify kinds of permitted template template arguments

e94cace

CWG3081 Require glvalue when splicing direct base class relationship

c846736

Fixes NB US 29-062 (C++26 CD).

CWG3083 Remove redundant restrictions on class and enum definitions

4c2743d

Fixes NB US 35-066 (C++26 CD).

CWG3085 Apply restriction inside for-range-declaration

ff2a133

Fixes NB US 34-067 (C++26 CD).

CWG3086 Destringizing should consider all sorts of encoding-prefixes

e5c4531

Fixes NB US 60-110 (C++26 CD).

CWG3090 Internal linkage from header units

b06de55

Fixes NB US 43-080 (C++26 CD).

CWG3091 Linking of translation units as sequences of tokens

474d74d

Fixes NB US 15-032 (C++26 CD).

CWG3096 Value-dependence of size of structured binding pack with non-…

e8b5acf

…dependent initializer Fixes NB AT 4-099 (C++26 CD).

CWG3097 Lambda expression introduces a scope

12beab9

Fixes NB AT 4-099 (C++26 CD).

CWG3100 Destruction order for objects with static storage duration

e25aeff

Fixes NB CA 045 (C++26 CD).

CWG3102 Update list of void contexts

a675df3

CWG3105 Consteval destructor through immediate escalation

9161bf8

CWG3106 Redundant exclusion of (non-existent) UCNs in r-char-sequences

ef035ed

CWG3107 Misleading note "An alias template name is never deduced."

df06f46

CWG3111 Template parameter objects of array type

f1e1301

CWG3112 Introduce a term for C-style variadic functions

3d1de3a

Fixes NB FR 155 (C++26 CD).

CWG3116 First element of an array

5ac1488

eisenwave force-pushed the motions-2025-11-cwg-1 branch from a87b471 to 5ac1488 Compare November 23, 2025 07:11

eisenwave removed the changes requested Changes to the wording or approach have been requested and not yet applied. label Nov 23, 2025

eisenwave requested a review from jensmaurer November 23, 2025 07:18

jensmaurer requested changes Nov 23, 2025

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CWG Poll 1: P3921R0 DR issues #8485

CWG Poll 1: P3921R0 DR issues #8485

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