[Bug libstdc++/95915] [10/11 Regression] std::variant doesn't like types with a defaulted virtual destructor

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95915

--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Ville Voutilainen <ville@gcc.gnu.org>:

https://gcc.gnu.org/g:24b54628cfa95194a8de4071c28cb56e6e81c08e

commit r11-1698-g24b54628cfa95194a8de4071c28cb56e6e81c08e
Author: Ville Voutilainen <ville.voutilainen@gmail.com>
Date:   Mon Jun 29 00:36:38 2020 +0300

    PR libstdc++/95915

            PR libstdc++/95915
            * include/std/type_traits (is_literal_type, is_literal_type_v):
            Deprecate in C++17.
            * include/std/variant (_Uninitialized):
            Adjust the condition and the comment.
            * testsuite/20_util/is_literal_type/deprecated-1z.cc: New.
            *
testsuite/20_util/is_literal_type/requirements/explicit_instantiation.cc:
            Adjust.
            * testsuite/20_util/is_literal_type/requirements/typedefs.cc:
Likewise.
            * testsuite/20_util/is_literal_type/value.cc: Likewise.
            * testsuite/20_util/optional/constexpr/nullopt.cc:
            Use __is_literal_type directly.
            * testsuite/20_util/optional/nullopt.cc: Likewise.
            * testsuite/20_util/variable_templates_for_traits.cc: Adjust.
            * testsuite/20_util/variant/95915.cc: New.
            * testsuite/20_util/variant/compile.cc: Add new test.
            * testsuite/experimental/optional/constexpr/nullopt.cc:
            Use __is_literal_type directly.
            * testsuite/experimental/optional/nullopt.cc: Likewise.
            * testsuite/experimental/type_traits/value.cc: Adjust.
            * testsuite/util/testsuite_common_types.h:
            Use __is_literal_type directly.