[Bug c++/122494] [13/14/15/16 Regression] gcc rejects valid C++ codes with generic lambda and concepts; causing a not completed class

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122494

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|14.4                        |13.5
            Summary|[14/15/16 Regression] gcc   |[13/14/15/16 Regression]
                   |rejects valid C++ codes     |gcc rejects valid C++ codes
                   |with generic lambda and     |with generic lambda and
                   |concepts; causing a not     |concepts; causing a not
                   |completed class             |completed class

--- Comment #5 from Patrick Palka <ppalka at gcc dot gnu.org> ---
(In reply to Patrick Palka from comment #4)
> Started with r14-4793, but the underlying culprit I think is r11-550.
Started r13-2540 actually, with -fno-checking.