private Varnode[] getVarnodesAsArray() {
		Varnode[] result = new Varnode[storage.size() + (stackStorage != null ? 1 : 0)];
		storage.toArray(result);
		if (stackStorage != null) {
			result[storage.size()] = stackStorage;
		}
		return result;
	}
If this is a static/global variable, stored at a ram address, return it's
ram address.

@return address of where this variable is stored, null if not ram address
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/dwarf/DWARFVariable.java