[all-commits] [llvm/llvm-project] 683953: Revert "[libc++] P3798R1: The unexpected in std::...

[A. Jiang via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 68395337ef50bd43e024dee391f821e2836df949
      https://github.com/llvm/llvm-project/commit/68395337ef50bd43e024dee391f821e2836df949
  Author: A. Jiang <de34 at live.cn>
  Date:   2026-06-26 (Fri, 26 Jun 2026)

  Changed paths:
    M libcxx/docs/FeatureTestMacroTable.rst
    M libcxx/docs/ReleaseNotes/23.rst
    M libcxx/docs/Status/Cxx29Papers.csv
    M libcxx/include/__expected/expected.h
    M libcxx/include/version
    M libcxx/test/libcxx/utilities/expected/nodiscard.verify.cpp
    M libcxx/test/std/language.support/support.limits/support.limits.general/expected.version.compile.pass.cpp
    M libcxx/test/std/language.support/support.limits/support.limits.general/version.version.compile.pass.cpp
    R libcxx/test/std/utilities/expected/expected.expected/observers/has_error.pass.cpp
    R libcxx/test/std/utilities/expected/expected.void/observers/has_error.pass.cpp
    M libcxx/utils/generate_feature_test_macro_components.py

  Log Message:
  -----------
  Revert "[libc++]  P3798R1: The unexpected in std::expected (#204826)" (#205597)

Reverts 45a65bb48b5925707f43d08e30df2263a5e4e268.

Currently, there is no consensus among LWG and standard library
maintainers that P3798R1 should be applied as a Defect Report. So it is
better to revert the paper application for now and then reapply it as an
addition in C++29 when C++29 mode is ready.



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