[Bug c++/80372] non-optimal handling of copying a std::complex<double>

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80372

--- Comment #1 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
*** Bug 80373 has been marked as a duplicate of this bug. ***