[Bug libstdc++/110945] std::basic_string::assign dramatically slower than other means of copying memory

[janschultke at googlemail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110945

--- Comment #3 from Jan Schultke <janschultke at googlemail dot com> ---
When increasing the input size to 8 MiB, the results become more similar to
what clang delivers for 1 MiB too:
https://quick-bench.com/q/DFHYW6eZq-FAif8xuLkBOPwzYWA