[Bug libstdc++/122425] optional<T&> is not ranges::borrowed_range

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122425

--- Comment #2 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Tomasz Kaminski <tkaminsk@gcc.gnu.org>:

https://gcc.gnu.org/g:1fa5dd8f9862c3314b4499c944906424d7a5a8e7

commit r16-5187-g1fa5dd8f9862c3314b4499c944906424d7a5a8e7
Author: Tomasz KamiÅski <tkaminsk@redhat.com>
Date:   Thu Nov 6 16:02:42 2025 +0100

    libstdc++: Add ranges::borrowed_range specialization for optional<T&>
[PR122425]

            PR libstdc++/122425

    libstdc++-v3/ChangeLog:

            * include/std/optional
            (ranges::enable_borrowed_range<optional<_Tp&>>): Define.
            * testsuite/20_util/optional/range.cc: Update tests.

    Reviewed-by: Jonathan Wakely <jwakely@redhat.com>
    Signed-off-by: Tomasz KamiÅski <tkaminsk@redhat.com>