[Bug c++/127456] [15/16/17 Regression] ICE when defaulted operator<=> returns a reference

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127456

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |ice-checking,
                   |                            |ice-on-invalid-code
      Known to work|                            |14.4.0
            Summary|ICE when defaulted          |[15/16/17 Regression] ICE
                   |operator<=> returns a       |when defaulted operator<=>
                   |reference                   |returns a reference
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2026-09-17
      Known to fail|                            |15.1.0
   Target Milestone|---                         |15.4
             Status|UNCONFIRMED                 |NEW

--- Comment #1 from Drea Pinski <pinskia at gcc dot gnu.org> ---
  gcc_checking_assert (!TYPE_REF_P (TREE_TYPE (expr)));

So only ICEing with checking.