RGENGC_WB_PROTECTED_COMPLEX  281 complex.c          NEWOBJ_OF(obj, struct RComplex, klass, T_COMPLEX | (RGENGC_WB_PROTECTED_COMPLEX ? FL_WB_PROTECTED : 0));
RGENGC_WB_PROTECTED_COMPLEX  782 include/ruby/ruby.h #ifndef RGENGC_WB_PROTECTED_COMPLEX