public DWARFRange getLast() {
		return ranges.get(ranges.size() - 1);
	}
Reads a v5 {@link DWARFRangeList} from the .debug_rnglists stream.

@param reader stream positioned to the start of a .debug_rnglists range list
@param cu the compUnit referring to this range
@return new {@link DWARFRangeList}, never null
@throws IOException if error reading
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/dwarf/DWARFRangeList.java