[Bug c++/92576] Definition of variable template without initializer is treated as declaration

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92576

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2019-11-19
     Ever confirmed|0                           |1

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Jonathan Wakely from comment #0)
> I think 'extern' is needed to stop the first line being a definition:
> 
> template<typename T> extern constexpr bool var;
> template<typename T> constexpr bool var = false;

Actually extern const:

template<typename T> extern const bool var;
template<typename T> constexpr bool var = false;