[Bug c++/56292] False positive for constexpr arithmetics (-Wconversion)

[lcid-fire at gmx dot net]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56292

--- Comment #4 from lcid-fire at gmx dot net 2013-02-12 15:23:58 UTC ---
constexpr std::uint8_t value = func() + 2;

does generate the same warning.