[Bug libstdc++/125450] [16/17 Regression] std::optional breaks in C++26 freestanding mode

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125450

--- Comment #6 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-16 branch has been updated by Jonathan Wakely
<r...@gcc.gnu.org>:

https://gcc.gnu.org/g:ca5c9ec549009b95cc6a322db3ee10b3fed377e7

commit r16-8967-gca5c9ec549009b95cc6a322db3ee10b3fed377e7
Author: Jonathan Wakely <jwak...@redhat.com>
Date:   Tue May 26 10:50:53 2026 +0100

    libstdc++: Fix <optional> for freestanding [PR125450]

    libstdc++-v3/ChangeLog:

            PR libstdc++/125450
            * include/std/optional (range_format): Do not define for
            freestanding.

    (cherry picked from commit 23b9ac257cf508bc4fa479c82fcfc768c4abcd79)