public void attachInstances(Varnode[] inst, Varnode rep) {
		represent = rep;
		if (inst == null) {
			instances = new Varnode[1];
			instances[0] = rep;
		}
		else {
			instances = inst;
		}
	}
Attach an instance or additional location the variable can be found in.

@param inst varnode where variable can reside.
@param rep location that variable comes into scope.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/pcode/HighVariable.java