[Bug libstdc++/116754] libstdc++ std::ranges::copy performance issue

[addmlbx at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116754

--- Comment #1 from df fd <addmlbx at gmail dot com> ---
Created attachment 59131
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=59131&action=edit
struct __memcpyable usage in the std::ranges::copy