[all-commits] [llvm/llvm-project] b76803: [libc++] LWG3767: `codecvt<charN_t, char8_t, mbsta...

[A. Jiang via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: b76803b394ac4330dd7b14d1f866dd695f107fe9
      https://github.com/llvm/llvm-project/commit/b76803b394ac4330dd7b14d1f866dd695f107fe9
  Author: A. Jiang <de34 at live.cn>
  Date:   2026-06-13 (Sat, 13 Jun 2026)

  Changed paths:
    M libcxx/docs/Status/Cxx2cIssues.csv
    M libcxx/include/__locale
    M libcxx/src/locale.cpp
    A libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt.byname/codecvt_byname_char16_t_char8_t.depr_in_cxx20.verify.cpp
    A libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt.byname/codecvt_byname_char32_t_char8_t.depr_in_cxx20.verify.cpp
    M libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt.byname/ctor_char16_t_char8_t.pass.cpp
    M libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt.byname/ctor_char32_t_char8_t.pass.cpp
    A libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/codecvt_char16_t_char8_t.depr_in_cxx20.verify.cpp
    A libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/codecvt_char32_t_char8_t.depr_in_cxx20.verify.cpp
    M libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/ctor_char16_t_char8_t.pass.cpp
    M libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/ctor_char32_t_char8_t.pass.cpp
    M libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/locale.codecvt.members/char16_t_char8_t_always_noconv.pass.cpp
    M libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/locale.codecvt.members/char16_t_char8_t_encoding.pass.cpp
    M libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/locale.codecvt.members/char16_t_char8_t_in.pass.cpp
    M libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/locale.codecvt.members/char16_t_char8_t_length.pass.cpp
    M libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/locale.codecvt.members/char16_t_char8_t_max_length.pass.cpp
    M libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/locale.codecvt.members/char16_t_char8_t_out.pass.cpp
    M libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/locale.codecvt.members/char16_t_char8_t_unshift.pass.cpp
    M libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/locale.codecvt.members/char32_t_char8_t_always_noconv.pass.cpp
    M libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/locale.codecvt.members/char32_t_char8_t_encoding.pass.cpp
    M libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/locale.codecvt.members/char32_t_char8_t_in.pass.cpp
    M libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/locale.codecvt.members/char32_t_char8_t_length.pass.cpp
    M libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/locale.codecvt.members/char32_t_char8_t_max_length.pass.cpp
    M libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/locale.codecvt.members/char32_t_char8_t_out.pass.cpp
    M libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/locale.codecvt.members/char32_t_char8_t_unshift.pass.cpp
    M libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/types_char16_t_char8_t.pass.cpp
    M libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/types_char32_t_char8_t.pass.cpp

  Log Message:
  -----------
  [libc++] LWG3767: `codecvt<charN_t, char8_t, mbstate_t>` incorrectly added to locale (#201749)

Implement it as a DR against C++20, patching P0482R6.



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