[Bug libstdc++/71562] Changing the hard coded size of _S_local_capacity in sso_string_base.h

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71562

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Peter VARGA from comment #0)
> This would increase the flexibility for the programmer without a hack in the
> c++ include file...

Allowing programmers to change the ABI per-translation unit ... chaos ensues.