llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT--> @llvm/pr-subscribers-libcxx Author: None (llvmbot) <details> <summary>Changes</summary> Backport 2cd8edd1fff2a9d82902f70270b4209463a34cba Requested by: @<!-- -->ldionne --- Full diff: https://github.com/llvm/llvm-project/pull/134313.diff 1 Files Affected: - (modified) libcxx/docs/ReleaseNotes/20.rst (+11) ``````````diff diff --git a/libcxx/docs/ReleaseNotes/20.rst b/libcxx/docs/ReleaseNotes/20.rst index 57ab0c167544b..06e6e673b5508 100644 --- a/libcxx/docs/ReleaseNotes/20.rst +++ b/libcxx/docs/ReleaseNotes/20.rst @@ -162,6 +162,12 @@ Deprecations and Removals - Non-conforming extension ``packaged_task::result_type`` is deprecated. It will be removed in LLVM 21. +- The changes for ``ranges::zip_view`` from `P2165R4 <https://wg21.link/P2165R4>`_ have been implemented. This can + lead to code assuming that ``zip_view`` produces ``std::pair`` to stop compiling now that it produces ``std::tuple``. + The cases are rare since ``tuple`` and ``pair`` are compatible for the most part, but this can lead to code that + was previously accepted now being rejected. This is necessary for libc++ to be conforming, so we don't provide any + way to opt-out of that behavior. + Upcoming Deprecations and Removals ---------------------------------- @@ -205,3 +211,8 @@ ABI Affecting Changes - The localization support base API has been reimplemented, leading to different functions being exported from the libc++ built library on Windows and Windows-like platforms. + +- The changes for ``ranges::zip_view`` from `P2165R4 <https://wg21.link/P2165R4>`_ have been implemented. This changes + the element type of ``zip_view`` from a ``std::pair`` to a ``std::tuple`` in some cases. This is technically an ABI + break, however since ``zip_view`` is generally not an ABI sensitive type, we don't expect users to encounter any + issues and we don't provide a way to change this behavior, which would make libc++ non-conforming. `````````` </details> https://github.com/llvm/llvm-project/pull/134313 _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
