public boolean hasStackStorage() {
		if (varnodes == null || varnodes.length == 0) {
			return false;
		}
		// check last varnode for stack use
		Address storageAddr = getLastVarnode().getAddress();
		return storageAddr.isStackAddress();
	}
@return true if the last varnode for simple or compound storage is a stack varnode
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/listing/VariableStorage.java