[Bug c++/57979] G++ accepts constant expression defined using floating point non-constexpr glvalue

[jogojapan at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57979

--- Comment #2 from Johannes Goller <jogojapan at gmail dot com> ---
Confirmed that the problem exists in the most recent version of GCC 4.9, i.e. a
20130725 snapshot from the master branch.