@Override
	public boolean equals(Object obj) {
		if (super.equals(obj)) {
			FunctionParameterFieldLocation other = (FunctionParameterFieldLocation) obj;
			return ordinal == other.ordinal;
		}
		return false;
	}
Returns the parameter associated with this location.  This value can be null if the 
parameters are deleted from the function associated with the address of the parameter.
@return the parameter
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/util/FunctionParameterFieldLocation.java