private boolean flowsFromBeforeCutoff(Address blockAddr, Address cutoffAddr) {
			if (cutoffAddr == null) {
				return true;
			}
			InstructionBlock block = blockMap.get(blockAddr);
			if (block == null) {
				return false; // block not available
			}
			return block.getFlowFromAddress().compareTo(cutoffAddr) < 0;
		}
Returns a list of conflicts for this set.  If a block is not reachable from a non-conflicted
block, it's conflicts(if any) will not be included.
@return the list of conflicts for this set.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/lang/InstructionSet.java