[Bug c++/54021] [c++0x] __builtin_constant_p should be constexpr

[jason at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54021

Jason Merrill <jason at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |FIXED
   Target Milestone|---                         |4.8.0

--- Comment #4 from Jason Merrill <jason at gcc dot gnu.org> 2012-07-19 
20:57:21 UTC ---
I'm not sure when exactly it gets folded later, but it does seem to happen
appropriately.