[Bug c++/105623] [12/13 regression][rejects valid] invalid use of auto when deducing return type of base class template

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105623

Marek Polacek <mpolacek at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |12.2
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2022-05-16
           Priority|P3                          |P2
           Keywords|                            |rejects-valid
                 CC|                            |jason at gcc dot gnu.org,
                   |                            |mpolacek at gcc dot gnu.org
     Ever confirmed|0                           |1

--- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Seems to have started with r12-1273-g1a98f830332e5a

I'll try to reduce.