[Bug libstdc++/115218] The conversion constructor of concat_view::iterator always default-constructs variant

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115218

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
           Assignee|unassigned at gcc dot gnu.org      |ppalka at gcc dot 
gnu.org
     Ever confirmed|0                           |1
                 CC|                            |ppalka at gcc dot gnu.org
   Last reconfirmed|                            |2025-02-18

--- Comment #1 from Patrick Palka <ppalka at gcc dot gnu.org> ---
Does this also mean the iterator's default ctor needs a
default_initializable<_Vs...[0]> constraint?