[Bug preprocessor/63662] __has_include defined but not implemented

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63662

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

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

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
I bet you need -std=c++1y .  And also this feature is not fully there for GCC
4.9.