[Bug c++/123401] [13/14/15/16 Regression] ICE: tree check: expected decl_minimal, have view_convert_expr in dump_decl at cp/error.cc when instantiating friend operator==<>

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123401

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to fail|                            |9.1.0
   Last reconfirmed|                            |2026-01-05
             Status|UNCONFIRMED                 |NEW
      Known to work|                            |8.5.0
           Keywords|                            |needs-bisection
            Summary|ICE: tree check: expected   |[13/14/15/16 Regression]
                   |decl_minimal, have          |ICE: tree check: expected
                   |view_convert_expr in        |decl_minimal, have
                   |dump_decl at cp/error.cc    |view_convert_expr in
                   |when instantiating friend   |dump_decl at cp/error.cc
                   |operator==<>                |when instantiating friend
                   |                            |operator==<>
     Ever confirmed|0                           |1
   Target Milestone|---                         |13.5

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Started to ICE in GCC 9 with -std=c++2a