[Bug libstdc++/121374] wrong value std::numeric_limits<__float128>::max_digits10

[redi at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121374

--- Comment #7 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Yes, maybe I looked it up and forgot to include the implicit leading 1.