[Bug c++/56715] Explicit Reg Vars are being ignored for consts when using g++

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56715

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> 2013-03-24 23:33:16 UTC ---
const is a bit special in C++, it can be used as part of a const integer
expression which is what is happening here.