[Bug libstdc++/90314] clang gives error about exception specification in declaration not matching definition after change in move.h

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90314

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2019-05-02
            Version|unknown                     |10.0
           Assignee|unassigned at gcc dot gnu.org      |redi at gcc dot gnu.org
     Ever confirmed|0                           |1

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Also reported at https://gcc.gnu.org/ml/libstdc++/2019-05/msg00008.html

I'm pretty sure clang is wrong, but I'll change our code anyway, for the reason
you give.