[Bug c++/52567] constant expression not recognized as being constant

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52567

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-03-12 
20:59:39 UTC ---
An overflow in an integer expression is never an integer constant expression.