[Bug c++/123189] [16 Regression] ICE in gromacs since r16-6140-g4a718209d448f6

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123189

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
           Priority|P3                          |P1
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2026-01-12
           Keywords|ice-on-invalid-code,        |
                   |needs-reduction             |

--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> ---
Reduced testcase from the other PR:


template <typename> void make_scope_guard();
template <typename Callback> struct final {
  friend void make_scope_guard<>() noexcept(Callback ::value);
};