[Bug libstdc++/118563] [15 regression] libstdc++ incompatible ABI change on riscv64

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118563

--- Comment #2 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Andreas Schwab <sch...@gcc.gnu.org>:

https://gcc.gnu.org/g:c6977f765838a5ca8d321d916221a7368622bdd9

commit r15-7228-gc6977f765838a5ca8d321d916221a7368622bdd9
Author: Andreas Schwab <sch...@suse.de>
Date:   Tue Jan 21 23:50:15 2025 +0100

    libstdc++: correct symbol version of typeinfo for bfloat16_t on RISC-V

    RISC-V only gained support for bfloat16_t after gcc 14.  Passes
    libstdc++/check_abi on {x86_64,aarch64,ppc64le,riscv64,s390x}-suse-linux.

            PR libstdc++/118563
            * testsuite/util/testsuite_abi.cc (check_version): Add
            CXXABI_1.3.16.
            * config/abi/pre/gnu.ver (CXXABI_1.3.14) [__riscv]: Exclude
            typeinfo for bfloat16_t.
            (CXXABI_1.3.16) [__riscv]: Add it here.