[Bug libstdc++/88738] treat shared_ptr and unique_ptr more like plain old pointers

[glisse at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88738

--- Comment #8 from Marc Glisse <glisse at gcc dot gnu.org> ---
(In reply to Jonathan Wakely from comment #7)
> Yes, I would guess that clang's "dumb" warning is fine for 99% of cases, and
> the handful of exceptions could use #pragma to disable the warning.

Or an attribute that says the opposite of nodiscard? (maydiscard? unused?)