[Bug c++/92878] Parenthesized aggregate initialization doesn't work in a new-expression

[ville.voutilainen at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92878

--- Comment #1 from Ville Voutilainen <ville.voutilainen at gmail dot com> ---
Wishlist item: please add a C++2a mode libstdc++ test that verifies that
make_unique and make_shared work with aggregates. Bonus points for
std::allocator_traits<std::allocator<Aggr>>::construct.