@Override
		public int compare(GTreeNode o1, GTreeNode o2) {
			return ((SliceNode) o1).getSourceAddress()
					.compareTo(((SliceNode) o2).getSourceAddress());
		}
True allows this node to contains children with the same name

@param allowDuplicates true to allow duplicate nodes
Ghidra/Features/DecompilerDependent/src/main/java/ghidra/app/plugin/core/decompiler/taint/slicetree/SliceNode.java