protected DIECreator newDeclStruct(String name) {
		ensureCompUnit();
		DIECreator struct = new DIECreator(dwarfProg, DW_TAG_structure_type) //
				.addBoolean(DW_AT_declaration, true)
				.addString(DW_AT_name, name);
		return struct;
	}
Base class for unit tests needing DWARF DIEs.  Provides 2 DWARF compile-units and helper
methods to create DIE records.
Ghidra/Features/Base/src/test/java/ghidra/app/util/bin/format/dwarf/DWARFTestBase.java