[Bug c/60439] No warning for case overflow in switch statement.

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60439

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Well in C, the type of a && is an int even though the range is 0...1 .