public PcodeBlock createBlock(String name, int index) {
		int btype = PcodeBlock.nameToType(name);
		PcodeBlock res = resolveBlock(btype);
		res.setIndex(index);
		sortlist.add(res);
		if ((btype == PcodeBlock.PLAIN) || (btype == PcodeBlock.COPY) ||
			(btype == PcodeBlock.BASIC)) {
			leaflist.add(res);
		}
		return res;
	}
Assume blocks are in index order, find the block with index -ind-
@param ind is the block index to match
@return the matching PcodeBlock
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/pcode/BlockMap.java