[Bug c++/52231] [missed optimization/diagnostics] address-of-reference

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52231

--- Comment #6 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Nathan Froyd from comment #5)
> This also showed up in the context of trying to hint to the compiler that
> placement new didn't need null checks:

That's only become true quite recently:
http://open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#1748

See also PR 35878