protected static int compareBackward(TraceCodeUnit a, TraceCodeUnit b) {
		return b.getMaxAddress().compareTo(a.getMaxAddress());
	}
Compare two code units for backward iteration

@param a a code unit
@param b a code unit
@return as in {@link Comparable#compareTo(Object)}
Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/trace/database/listing/AbstractComposedDBTraceCodeUnitsView.java