[Bug c++/84494] Invalid constexpr with default assignment operator

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84494

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |wrong-code
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2018-02-21
                 CC|                            |mpolacek at gcc dot gnu.org
     Ever confirmed|0                           |1

--- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Confirmed, clang++ prints 10 10.

Started with r233956, before that it was rejected:
error: explicitly defaulted function ‘constexpr X& X::operator=(const X&)’
cannot be declared as constexpr because the implicit declaration is not
constexpr: