synchronized public void ignore(AddressSetView addrs) {
		ignoreAddressSet.add(addrs);
		if (diffsToReturn != null) {
			diffsToReturn.delete(addrs);
		}
	}
Set the indicated additional addresses that should not report any
differences that are found at them.
@param addrs the set of addresses to add to the current ignore set.
The addresses in this address set should be derived from program1.
Ghidra/Features/Base/src/main/java/ghidra/program/util/ProgramDiff.java