P3348R4 C++26 Should Refer To C23, Not C17
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cxx26
UCRT
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- C++
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Description
WG21-P3348R4 C++26 Should Refer To C23, Not C17
Increases restrictions placed on users (IFNDR):
LWG-4388 Align new definition of va_start with C23
Reverts an overlooked silent change, no action required:
LWG-4430 from_chars should not parse "0b" base prefixes
No C++ feature-test macros are mentioned.
Note: We are not yet accepting PRs for C++26 features.
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reading WG21-P3348R4 and the referenced LWG-4388 and LWG-4430 issues; they identify the C++26 standards changes discussed here. The issue names no repository file, test, or accepted implementation path, and notes that C++26 feature PRs are not yet being accepted, so completion is not defined.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cpp
- Domain
- backend
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 15/100