On Sat, Jan 10, 2026 at 07:40:37PM +0100, Stefan Schulze Frielinghaus wrote:
> On Sat, Jan 10, 2026 at 07:04:53PM +0100, Jakub Jelinek wrote:
> > On Sat, Jan 10, 2026 at 05:24:15PM +0100, Stefan Schulze Frielinghaus wrote:
> > > libstdc++-v3/ChangeLog:
> > >
> > > * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Add
> > > names {,P,K}DF16.
> >
> > This is wrong - an ABI issue.
> >
> > You can't export new symbols in CXXABI_1.3.14 symbol version when they
> > weren't exported there in GCC 13.1 already.
> > Symbols new in GCC 16 like these should be exported in CXXABI_1.3.17.
>
> Yikes, you are absolutely right. It was also wrong in the first draft I
> posted back in Nov. Thank you very much for double checking and
> catching this! I will trigger a full test run of your patch and come
> back to you.
Bootstrap and regtest are successful for targets z16, z14, z13, z10,
z900.
Thanks,
Stefan
