TCF Agent: fixed: get_location_info() should ignore TAG_dwarf_procedure objects
Bug 447493 - Field not display in a ADA Structure
TCF Agent: added handling of AT_GNAT_descriptive_type
TCF Agent: better error reporting in get_object_size()
TCF Agent: fixed: get_symbol_size() returns "Object location is relative to a stack frame" error for ADA objects
TCF Tests: more DWARF reader tests