[Bug c++/119631] [rejects-valid] erroneous "was not declared in this scope" in partial specialization of nested class template

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119631

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2025-04-04
     Ever confirmed|0                           |1

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Even this is rejected:
```
template <class T>
struct outer {
  template <T Xs>
  struct inner;

  template <T X>
  struct inner {
    T x = X;
  };
};
```

But if you comment out the first declaration of inner, it works.