[Bug c++/120594] internal compiler error: tree check: expected class 'type', have 'exceptional' (error_mark) in template_class_depth, at cp/pt.cc:43 since 15.1

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120594

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |15.2
   Last reconfirmed|                            |2025-06-09
           Keywords|                            |c++-lambda, ice-checking,
                   |                            |ice-on-invalid-code,
                   |                            |needs-bisection
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |NEW

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Confirmed. Reduced testcase:
```
struct Func
{
  constexpr static void print_invocable = []() { };
};
```