[Bug libstdc++/127220] : clang rejects every dynamic width or precision ("{:{}}") in C++26 mode: __check_dynamic_spec is instantiated before its definition

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127220

--- Comment #4 from Drea Pinski <pinskia at gcc dot gnu.org> ---
So wait this is a clang bug for C++26 that you want to work around in
libstdc++?

I would say this should be closed as won't fix.