[Bug c++/125181] [13/14/15/16/17 Regression] variadic template function not allowing for function pointer which has a toplevel const argument to match with non-toplevel const argument

[waffl3x at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125181

Waffl3x <waffl3x at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |waffl3x at gcc dot gnu.org

--- Comment #3 from Waffl3x <waffl3x at gcc dot gnu.org> ---
Conversion also fails when converting to a variable, even in the
absence of deduction, despite the types being identical.

https://godbolt.org/z/bY118dGjP
```
template <typename... Ts>
void f(Ts const...) {}

void (*p)(int) = &f<int>;
```