[Bug c++/120917] warning: use of 'auto' in template argument only available with '-fconcepts-ts'

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120917

--- Comment #25 from Jason Merrill <jason at gcc dot gnu.org> ---
(In reply to Frank Heckenbach from comment #24)
> auto f (S <True auto>);

Right, this is one of the cases fixed for GCC 16 by my commit above.