[Bug c++/57064] [clarification requested] Which overload with ref-qualifier should be called?

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57064



--- Comment #15 from Jonathan Wakely <redi at gcc dot gnu.org> 2013-04-26 
08:12:36 UTC ---

That will also work if you return an rvalue, not an rvalue reference, and will

be safe against accidental misuse.