public void setIndices() {
		for (int i = 0; i < list.size(); ++i) {
			list.get(i).index = i;
		}
		index = 0;
		maxindex = list.size() - 1;
	}
Assign a unique index to all blocks in this container. After this call,
getBlock(i) will return the block that satisfies block.getIndex() == i
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/pcode/BlockGraph.java