[Bug c++/102229] New: 'decltype(auto)' cannot be cv-qualified

[netcan1996 at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102229

            Bug ID: 102229
           Summary: 'decltype(auto)' cannot be cv-qualified
           Product: gcc
           Version: 11.2.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: netcan1996 at gmail dot com
  Target Milestone: ---

code: https://godbolt.org/z/h833W9v95

it begins at version 11.x.