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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.
Fixed thusly.
2026-01-12 Jakub Jelinek <jakub@redhat.com>
* config/abi/pre/gnu.ver (CXXABI_1.3.14): Don't export _ZTI*DF16_ on
s390x.
(CXXABI_1.3.17): Export _ZTI*DF16_ on s390x.
* config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Remove
_ZTI{,P,K}DF16_.