[Bug c++/121068] Placement new of array element is rejected at compile-time

[tkaminsk at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121068

--- Comment #7 from Tomasz Kamiński <tkaminsk at gcc dot gnu.org> ---
Or in other words, I believe my example is equivalent to implementation of
optional,
where we have:
union {
  T val;
};

And then call:
  new(static_cast<void*>(addressof(val))) T(...);
It is just version were T is array.