* gdbtypes.h (struct main_type): Move artificial flag out of
loc. New member of ``struct field'' named static_kind. Reduce
overloaded meaning of bitsize.
(FIELD_ARTIFICIAL, SET_FIELD_PHYSNAME, SET_FIELD_PHYSADDR)
(TYPE_FIELD_STATIC, TYPE_FIELD_STATIC_HAS_ADDR): Likewise.
(FIELD_STATIC_KIND, TYPE_FIELD_STATIC_KIND): New macros.