[Bug libstdc++/60936] [5/6/7 Regression] Binary code bloat with std::string

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60936

--- Comment #21 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Yes, but it removes functionality, and we don't want to do that
unconditionally.