[libcxx-commits] [libcxx] [libc++] Optimize ranges::copy_backward for vector<bool>::iterator (PR #121026)

[Louis Dionne via libcxx-commits]

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@@ -111,6 +111,9 @@ Improvements and New Features
   std::errc::not_a_directory``, or use ``err.default_error_condition()`` to map to an ``error_condition``, and then test
   its ``value()`` and ``category()``.
 
+- The ``std::ranges::copy_backward`` algorithm has been optimized for ``std::vector<bool>::iterator``\s, resulting in
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ldionne wrote:

This should move to `21.rst`.

https://github.com/llvm/llvm-project/pull/121026