LWG2727: Parallel algorithms with constexpr specifier #99968

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1. cjdb

   added

   libc++libc++ C++ Standard Library. Not GNU libstdc++. Not libc++abi.libc++ C++ Standard Library. Not GNU libstdc++. Not libc++abi.

   pstlIssues related to the C++17 Parallel STLIssues related to the C++17 Parallel STL

   c++17

   on Jul 22, 2024
2. llvmbot commented on Jul 22, 2024

   

   llvmbot

   on Jul 22, 2024

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   @llvm/issue-subscribers-c-17

   Author: Christopher Di Bella (cjdb)

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3. cjdb

   added

   lwg-issueCanonical version of a Library Working Group issue.Canonical version of a Library Working Group issue.

   on Jul 23, 2024
4. ldionne

   added this to libc++ Standards Conformanceon Jul 30, 2024
5. ldionne

   changed the title [-]Apply 'LWG2727 Parallel algorithms with constexpr specifier'[/-] [+]LWG2727: Parallel algorithms with constexpr specifier[/+] on Aug 1, 2024
6. frederick-vs-ja commented on Aug 2, 2024

   

   frederick-vs-ja

   on Aug 2, 2024

   Last edited by frederick-vs-ja

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   LWG3303 (see also #101693) is also in this area.

   Both LWG issues seem "Nothing to do" as they're just saying not to add constexpr, and we haven't added anything because the parallel versions are not yet implemented.
   However, it also possibly makes sense to consider either issue "Complete" when the corresponding parallel algorithms are implemented.
7. mordante commented on Aug 3, 2024

   

   mordante

   on Aug 3, 2024

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   I dislike closing these as Nothing To Do/Complete. When somebody implements the paper that introduces these constexpr changes they might get reviewed and accepted as constexpr. I've seen bugs in libc++ due to closing issues "too early". I much rather close them with the PR that implements the paper.

   👍React with 👍1Reacted by A. Jiang
8. ldionne

   moved this to Todo in libc++ Standards Conformanceon Aug 21, 2024
9. frederick-vs-ja

   closed this as completedin #225606on Sep 24, 2026
10. github-project-automation

    moved this from Todo to Done in libc++ Standards Conformanceon Sep 24, 2026