public ContextState branchState(SequenceNumber pcodeEntry) {
		ContextState newState = new ContextState(pcodeEntry, this);
		newState.uniqueMap = uniqueMap;
		if (uniqueMap != null) {
			uniqueMap.clear();
		}
		return newState;
	}
Branch the current state.  The current state should be associated with
branch target, the returned state should be used for the fall-through flow.
@return
Ghidra/Features/Base/src/main/java/ghidra/util/state/ContextState.java