[Bug c++/104641] Deduction guide for member template class rejected at class scope when used with typename dependant type

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104641

Patrick Palka <ppalka at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|unassigned at gcc dot gnu.org      |ppalka at gcc dot 
gnu.org
   Last reconfirmed|                            |2022-02-22
     Ever confirmed|0                           |1
                 CC|                            |ppalka at gcc dot gnu.org
         Depends on|                            |100983
             Status|UNCONFIRMED                 |ASSIGNED

--- Comment #1 from Patrick Palka <ppalka at gcc dot gnu.org> ---
Confirmed, this never worked.  Reduced rejects-valid testcase:

template<class T>
struct A {
  template<class U> struct B { B(U); };
};

template<class T>
void f() {
  typename A<T>::B x(0);
}

template void f<int>();


Referenced Bugs:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100983
[Bug 100983] Deduction guide for member template class rejected at class scope