private boolean checkMemoryRestriction(Address addr) {
		return (restrictedAddressSet == null || restrictedAddressSet.contains(addr));
	}
Queue specified flow for processing within current InstructionSet.
Caller is responsible for adding flow to current block.
@param flow instruction flow
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/disassemble/DisassemblerQueue.java