[Bug c++/84075] [12/13/14/15/16 Regression] Template parameter not resolved: invalid application of ‘sizeof’ to incomplete type ‘boost::serialization::U’

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84075

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to work|14.1.0, 15.0                |
            Summary|[12/13 Regression] Template |[12/13/14/15/16 Regression]
                   |parameter not resolved:     |Template parameter not
                   |invalid application of      |resolved: invalid
                   |‘sizeof’ to incomplete type |application of ‘sizeof’ to
                   |‘boost::serialization::U’   |incomplete type
                   |                            |‘boost::serialization::U’
      Known to fail|                            |14.1.0, 15.0

--- Comment #18 from Patrick Palka <ppalka at gcc dot gnu.org> ---
While GCC 14+ accepts the reduced testcase, the undeduced testcase is still
rejected so I don't think we can consider this fixed there.