https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77274

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |INVALID

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
The copy can be optimized away, but the object still has to be copyable for
that to happen. If you delete the copy constructor it's not copyable.

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