[Bug libstdc++/110653] Support std::stoi etc. without C99 APIs

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110653

--- Comment #14 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Jonathan Wakely <redi@gcc.gnu.org>:

https://gcc.gnu.org/g:f0b0c21152b337bc9a8ef3a72a15c8dcdff1d847

commit r14-2636-gf0b0c21152b337bc9a8ef3a72a15c8dcdff1d847
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Sat Jul 15 20:41:28 2023 +0100

    libstdc++: Define std::stof fallback in terms of std::stod [PR110653]

    For targets without std::strtof we can define std::stof by calling
    std::stod and then checking if the result is out of range of float.

    libstdc++-v3/ChangeLog:

            PR libstdc++/110653
            * include/bits/basic_string.h [!_GLIBCXX_HAVE_STRTOF] (stof):
            Define in terms of std::stod.