[Bug c++/125957] Error when splicing reflection of private member function

[eczbek.void at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125957

--- Comment #3 from eczbek.void at gmail dot com ---
Also, reduced? https://godbolt.org/z/an56Ycae3

```
class A {
        static void f() {}

public:
        static constexpr auto f_info = ^^f;
};

int main() {
        [:A::f_info:]();
}
```

```
<source>: In function 'int main()':
<source>:9:22: error: 'static void A::f()' is private within this context
    9 |         [:A::f_info:]();
      |         ~~~~~~~~~~~~~^~
<source>:2:21: note: declared private here
    2 |         static void f() {}
      |                     ^
```