[Bug c++/50028] Ternary operator and static const member variable

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50028

--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-08-09 
14:16:03 UTC ---
and PR 42101

and finally,
http://gcc.gnu.org/wiki/VerboseDiagnostics#missing_static_const_definition