http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55269
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-11-11 06:21:55 UTC --- In 4.8, GCC is now written in C++ rather than C, so I don't think it matter anymore as there is no macro define in C++ for complex.