[Bug libstdc++/96766] std::swap(std::variant, std::variant) triggers undefined behavior sanitizer

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96766

--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Jonathan Wakely <r...@gcc.gnu.org>:

https://gcc.gnu.org/g:074436cf8cdd2a9ce75cadd36deb8301f00e55b9

commit r11-2822-g074436cf8cdd2a9ce75cadd36deb8301f00e55b9
Author: Jonathan Wakely <jwak...@redhat.com>
Date:   Mon Aug 24 16:10:07 2020 +0100

    libstdc++: Make variant_npos conversions explicit [PR 96766]

    libstdc++-v3/ChangeLog:

            PR libstdc++/96766
            * include/std/variant (_Variant_storage): Replace implicit
            conversions from size_t to __index_type with explicit casts.