[Bug libstdc++/83279] std::experimental::filesystem::copy_file can't copy larger files than 2.0GiB

[ta12ba34 at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83279

--- Comment #5 from T B <ta12ba34 at gmail dot com> ---
Both seem to have large file support enabled, it outputs both times enabled.