protected AddressSetView getCodeUnitAddressSet(AddressSet addrs) {
		AddressSet codeSet = new AddressSet();
		codeSet.add(DiffUtility.getCodeUnitSet(addrs, programs[LATEST]));
		codeSet.add(DiffUtility.getCodeUnitSet(addrs, programs[MY]));
		codeSet.add(DiffUtility.getCodeUnitSet(addrs, programs[ORIGINAL]));
		return codeSet;
	}
Return an address set that contains all addresses that make up the code
units containing the indicated addresses in the LATEST, MY, and ORIGINAL programs.
@param addrs the addresses
@return the code unit address set
Ghidra/Features/Base/src/main/java/ghidra/app/merge/listing/FunctionMerger.java